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Sexual Precocity in a 16-Month-Old. g" r6 [+ Y. P; U, l. ~# `! K
Boy Induced by Indirect Topical& |# V* E( k* N/ N/ t! s# b
Exposure to Testosterone
/ A; M8 B/ K: s4 t8 DSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,29 t" A1 h5 O/ a7 H6 X/ a1 ]
and Kenneth R. Rettig, MD18 l! I9 Y" I' Q7 _! z
Clinical Pediatrics; q0 k( }6 Q4 }, ~" Q* ]/ m& U
Volume 46 Number 6; F$ C  Q0 l2 N" `. ^/ I# A
July 2007 540-5438 F& u# _  X+ v$ d# x
© 2007 Sage Publications
' t4 s0 b( k" n4 d) I10.1177/0009922806296651
6 k5 A6 a+ K/ Thttp://clp.sagepub.com
0 H& b+ y2 |$ y/ P2 O( Zhosted at3 I9 @6 A* w' J! l. y" }
http://online.sagepub.com- y$ o% x3 R5 B/ P  a$ ?. y# I4 H
Precocious puberty in boys, central or peripheral,1 l) X" ~1 I, \8 ?# z; |+ J
is a significant concern for physicians. Central
/ f+ K" L0 j+ e4 W& v" p0 h& L$ Pprecocious puberty (CPP), which is mediated) b& X6 ?2 q, T4 q$ x; g
through the hypothalamic pituitary gonadal axis, has: d7 x) d1 B# w, n* h  n
a higher incidence of organic central nervous system
/ c7 G; Q: R! \! h6 c% g7 I; g6 {lesions in boys.1,2 Virilization in boys, as manifested" O3 p$ f& \- g' [1 K% w1 m# C
by enlargement of the penis, development of pubic
. ^  n8 c  E8 O# c- w( k9 `* whair, and facial acne without enlargement of testi-. i& _7 C( c7 e, q) V- J
cles, suggests peripheral or pseudopuberty.1-3 We) C$ T7 ~! d; D
report a 16-month-old boy who presented with the
4 _* I# R" X1 O) a1 @% F' ]enlargement of the phallus and pubic hair develop-
2 ~8 i4 o$ d1 E& @5 L* ^' \, g1 J- iment without testicular enlargement, which was due, @. d6 H5 j- |- E0 {+ J- Y6 V
to the unintentional exposure to androgen gel used by& V) a$ R! F% S: R9 G
the father. The family initially concealed this infor-
# q9 o% _. s+ v. Omation, resulting in an extensive work-up for this/ p8 p' ~# ~8 e$ H. i2 x' r% O
child. Given the widespread and easy availability of
3 U; B: z, [2 g' w% N, Wtestosterone gel and cream, we believe this is proba-, R# `% l( T( v4 j! p: a( g* j/ M
bly more common than the rare case report in the
1 T) z; J8 a9 C& h  H5 H: Fliterature.4
; L5 y4 t2 D. N$ z* J( n3 ?Patient Report
$ w, v7 ^$ k; D, X0 X$ p% a$ g. IA 16-month-old white child was referred to the8 g8 M$ q( n+ E/ x5 Q3 T* _8 G  q
endocrine clinic by his pediatrician with the concern) ?4 i- E8 w7 T; T1 l& i) B) M
of early sexual development. His mother noticed
% d! s, r; T+ R# Glight colored pubic hair development when he was! K) t! C  x/ o5 z/ h, D% h/ k) v
From the 1Division of Pediatric Endocrinology, 2University of& y# m$ _+ T! U( I( T
South Alabama Medical Center, Mobile, Alabama.' J3 x, \( U+ j
Address correspondence to: Samar K. Bhowmick, MD, FACE,
* U* p& b; G6 o: fProfessor of Pediatrics, University of South Alabama, College of" ~1 H) e. ]* k1 G4 C1 m
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
& y" R  B5 z5 ge-mail: [email protected].
2 V) U/ s6 m- a$ G4 `& N# t1 p7 labout 6 to 7 months old, which progressively became
; r, m7 ]/ q- t6 ]( A( Odarker. She was also concerned about the enlarge-+ a* ], f% O; u; c% w
ment of his penis and frequent erections. The child
# c1 j/ k2 K1 y& e7 v4 E1 }: R- R7 Owas the product of a full-term normal delivery, with
6 T! ^" ]8 o7 f4 ]' R  {a birth weight of 7 lb 14 oz, and birth length of% H( M3 h  Q, M3 ?8 m# j9 P7 N
20 inches. He was breast-fed throughout the first year
3 ~6 c! Y; k* dof life and was still receiving breast milk along with' }/ q  w. V9 |: }
solid food. He had no hospitalizations or surgery,
& i, d$ f6 t8 f4 oand his psychosocial and psychomotor development
# {3 p/ W2 y6 D# q; Y' V9 gwas age appropriate.3 E. L: v" x& o% N2 A
The family history was remarkable for the father,
  o  h( `% A+ _5 Xwho was diagnosed with hypothyroidism at age 16,
# k0 P- X5 O/ u  Rwhich was treated with thyroxine. The father’s1 ~5 R( n2 R* p. i, F& _
height was 6 feet, and he went through a somewhat8 ~  V/ ]$ f& {& Z8 x8 N2 K; S8 t
early puberty and had stopped growing by age 14.
" w$ p# z! _0 g2 V* R# \/ {The father denied taking any other medication. The
- i  \+ Y' S7 s  v1 Hchild’s mother was in good health. Her menarche; a3 h: A3 O- `% C9 t. Q/ Y" C
was at 11 years of age, and her height was at 5 feet8 v0 h0 p4 M3 o9 e( C
5 inches. There was no other family history of pre-
- ~% i5 [9 {/ W0 o4 R! ycocious sexual development in the first-degree rela-
$ |" p) c5 L2 q, f) ntives. There were no siblings.
1 e; ]7 J  i) {: A  h1 n& Z( h. MPhysical Examination
' O4 v6 s7 d2 e& E, vThe physical examination revealed a very active,
9 t: r; |9 v5 ]- i' i5 A8 t" a4 Kplayful, and healthy boy. The vital signs documented
3 q/ v6 A2 X& e. L% H4 W) ]a blood pressure of 85/50 mm Hg, his length was
0 ]$ {+ M; y0 j7 }% q8 e90 cm (>97th percentile), and his weight was 14.4 kg
0 ?' Z4 H# m3 ^* Z(also >97th percentile). The observed yearly growth4 [: l5 f$ N1 o% K0 Z  h& E
velocity was 30 cm (12 inches). The examination of5 k3 Q; z+ K/ c+ q" l6 V6 o
the neck revealed no thyroid enlargement.# D+ X# ~' [+ V- q( ~
The genitourinary examination was remarkable for1 g9 D: ~" t% {' ^1 d0 v
enlargement of the penis, with a stretched length of: V; a" l% p+ `
8 cm and a width of 2 cm. The glans penis was very well' Z9 u- J7 B, q. x
developed. The pubic hair was Tanner II, mostly around- t' t9 R& Z; x8 d/ d- ~
540
$ ]3 `$ {2 J: P- b9 k' Wat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from; G# u( `+ p" F" u. n8 E
the base of the phallus and was dark and curled. The
1 }0 m! \1 l% [1 T* j$ t) ftesticular volume was prepubertal at 2 mL each.
# _( J  j: r/ S# U- _* j. x4 i9 J1 HThe skin was moist and smooth and somewhat
; H8 s/ d' f! \, n- e7 }* J& R$ }oily. No axillary hair was noted. There were no
4 [# C- O8 h9 Mabnormal skin pigmentations or café-au-lait spots.& I/ Q, I8 H% H7 K/ d  s! v+ Y
Neurologic evaluation showed deep tendon reflex 2+
' ~0 ~5 w) m( q$ b& C8 t0 z* obilateral and symmetrical. There was no suggestion0 [( \6 s9 `) V5 ]( O- F
of papilledema.$ e: u/ e# g- _8 O
Laboratory Evaluation1 S0 }- W  [3 ^$ [3 ?9 h0 @7 w
The bone age was consistent with 28 months by
$ O0 \  B4 T, }+ P3 q4 x& C! rusing the standard of Greulich and Pyle at a chrono-) L( l. K5 G- Y4 H2 f0 l
logic age of 16 months (advanced).5 Chromosomal8 D* `. J4 {" I) o- B$ t6 E: G
karyotype was 46XY. The thyroid function test& O* a- q# k2 m2 ^7 P* ^
showed a free T4 of 1.69 ng/dL, and thyroid stimu-7 n9 S3 Q& j- S, `* K6 G; e
lating hormone level was 1.3 µIU/mL (both normal).; \& w. l, K3 H9 X2 A
The concentrations of serum electrolytes, blood  d$ U% D: u8 q" a) I6 {
urea nitrogen, creatinine, and calcium all were% g0 y0 o1 p( ?- ]# n
within normal range for his age. The concentration
8 V1 g) f; P  u1 ^* ?of serum 17-hydroxyprogesterone was 16 ng/dL
* N% w9 J% p, M6 t& N(normal, 3 to 90 ng/dL), androstenedione was 201 o# P$ f4 d' |: E4 i
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
8 e& c" f3 d5 ~4 d4 \terone was 38 ng/dL (normal, 50 to 760 ng/dL),* F5 I. s) d& f0 Q
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
& c5 L9 }, Y2 t' [1 J) i1 @49ng/dL), 11-desoxycortisol (specific compound S)
: h2 ?% s! _0 ]# Q3 _was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-) `/ U: ~  ^! Q5 c0 P
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
, X) O, f) X; b& e6 r3 J$ Ztestosterone was 60 ng/dL (normal <3 to 10 ng/dL),
6 p$ C% N8 d5 W, {6 D0 Xand β-human chorionic gonadotropin was less than
+ k# o; s7 l5 X4 F! ]5 mIU/mL (normal <5 mIU/mL). Serum follicular
' v" F( S3 X  v2 r0 G5 R+ Istimulating hormone and leuteinizing hormone
0 u6 `- n/ X1 \, Q, g/ h  {concentrations were less than 0.05 mIU/mL
$ w" K" j! E/ g+ o4 |' p" u! r' a5 s(prepubertal).
; @% g( n0 s0 {5 ?The parents were notified about the laboratory1 E% F$ }# o8 y* `- A  U
results and were informed that all of the tests were6 D# {& D/ F8 B) A7 C
normal except the testosterone level was high. The. u& I" H! G! J  J/ l5 j( s
follow-up visit was arranged within a few weeks to2 }- O9 @5 z: M, C: W/ S6 D$ o+ K
obtain testicular and abdominal sonograms; how-% W+ t) p& O* V( Q  {) l- F5 L; k
ever, the family did not return for 4 months., ?/ Q8 R4 R& b9 T. Y/ D
Physical examination at this time revealed that the
7 S9 H3 U& c" L5 b  wchild had grown 2.5 cm in 4 months and had gained
5 i, C: \7 f8 k. |" F0 p2 kg of weight. Physical examination remained
6 q% n, |6 }/ ]! K! Y, ]unchanged. Surprisingly, the pubic hair almost com-
3 k7 y6 C0 a0 y, Gpletely disappeared except for a few vellous hairs at
0 y5 w8 w4 |: b2 t9 Hthe base of the phallus. Testicular volume was still 2( ]  O% r6 Z# y; X& j
mL, and the size of the penis remained unchanged.
7 b% v& t5 W' w8 g0 tThe mother also said that the boy was no longer hav-/ y. W# O" G: H; z
ing frequent erections.
" |9 ]" _8 d0 w3 F" E- a+ QBoth parents were again questioned about use of
) l2 ^  W/ B* @* }; bany ointment/creams that they may have applied to6 {3 Z: @) _5 C3 N
the child’s skin. This time the father admitted the1 b2 s7 _! N- W4 n! {
Topical Testosterone Exposure / Bhowmick et al 5412 P& H) Z3 h5 g6 p- r% K% H* z
use of testosterone gel twice daily that he was apply-( w; X3 m7 L' J. p9 Z) p* O
ing over his own shoulders, chest, and back area for7 X+ |( L9 R1 X/ E5 w7 x
a year. The father also revealed he was embarrassed
1 M/ K0 p! l9 ?2 E& O: Qto disclose that he was using a testosterone gel pre-
' ?6 C5 d7 `* U* d9 a- A1 y9 p7 Cscribed by his family physician for decreased libido2 F* ^: v" o- o! y, q
secondary to depression.4 }) N! G3 e+ ~. O& T
The child slept in the same bed with parents.; E5 m# J' ]5 ~. Q
The father would hug the baby and hold him on his
% V/ a+ G& O; z/ J3 u, d' {chest for a considerable period of time, causing sig-3 H5 R/ x$ F; P8 p7 G9 L
nificant bare skin contact between baby and father.
2 P$ o! l& r! n3 i9 H+ yThe father also admitted that after the phone call,6 T+ S6 S2 t6 V6 g
when he learned the testosterone level in the baby9 `* u! u0 h5 b5 ~
was high, he then read the product information- F( d) y3 x7 ~3 {( `6 n; [& v
packet and concluded that it was most likely the rea-
' s! T: s! i7 hson for the child’s virilization. At that time, they
. r0 `0 D4 Y( _decided to put the baby in a separate bed, and the
$ b% l; q: y9 B* U* jfather was not hugging him with bare skin and had. p9 T( E, y, |0 j% Q3 D$ j: y
been using protective clothing. A repeat testosterone6 n. T: E7 d6 b! w$ W# \
test was ordered, but the family did not go to the
6 o/ C7 N. }- J, ilaboratory to obtain the test.
) `# R2 h" N, E2 O" DDiscussion
. U2 A% y& i& P/ L( j  B+ sPrecocious puberty in boys is defined as secondary
" f9 w6 W- s" N5 H( T2 D5 @sexual development before 9 years of age.1,4
2 g0 O+ P+ T5 lPrecocious puberty is termed as central (true) when
" Z; o2 e5 K2 X4 F6 h* W( O. o7 ?it is caused by the premature activation of hypo-
% U1 J; F9 P" Xthalamic pituitary gonadal axis. CPP is more com-
2 o* D" {5 U) \1 dmon in girls than in boys.1,3 Most boys with CPP5 n5 W- {( L; s* u! q( U) z! R
may have a central nervous system lesion that is' U9 M6 @2 j% ?" S" G
responsible for the early activation of the hypothal-+ Q, N! E1 r' B* `  {1 B
amic pituitary gonadal axis.1-3 Thus, greater empha-
2 O3 h& }( J  a% ], T0 }% Hsis has been given to neuroradiologic imaging in5 A" V# ~: l  V
boys with precocious puberty. In addition to viril-+ R$ _% T0 x5 W7 H& r3 k6 i8 b, X3 Y9 m
ization, the clinical hallmark of CPP is the symmet-7 S& A. Y, H( K
rical testicular growth secondary to stimulation by
. @, J/ {9 p( D; Ygonadotropins.1,3
. Y+ O5 u8 k5 }( a  ?+ U7 y- zGonadotropin-independent peripheral preco-
3 {3 H0 c4 f8 p7 b) y6 d2 V8 ~: Icious puberty in boys also results from inappropriate1 D. Q4 N1 E  y/ V
androgenic stimulation from either endogenous or  X8 F; |3 G! ?, E2 x) [
exogenous sources, nonpituitary gonadotropin stim-& o! C6 }  F' y5 L1 K. ?, [# M
ulation, and rare activating mutations.3 Virilizing
0 k+ i$ U/ v. t! lcongenital adrenal hyperplasia producing excessive8 D1 B6 _: w6 t5 F! d, I7 s9 V* r* M
adrenal androgens is a common cause of precocious
' U2 m3 c' f4 Wpuberty in boys.3,4' v. l3 _  [& j, Y/ r
The most common form of congenital adrenal4 E1 D: O) c3 M- G" X0 u
hyperplasia is the 21-hydroxylase enzyme deficiency.- r9 o. e! Q& k. Z4 }
The 11-β hydroxylase deficiency may also result in* q* B6 K5 W6 ?3 x; F
excessive adrenal androgen production, and rarely,. x9 a8 p5 `. d7 q. e
an adrenal tumor may also cause adrenal androgen
5 Z% ?9 [* e5 a  i4 `6 [# Y  l  G, hexcess.1,3
) x6 w7 ~$ x7 uat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
# l, @# {" q, o7 Z- P542 Clinical Pediatrics / Vol. 46, No. 6, July 2007; r1 c' w2 N# L- v: i' l8 m
A unique entity of male-limited gonadotropin-% K/ n: P# [6 @7 ^: }
independent precocious puberty, which is also known& O4 c/ L3 }9 J8 ^! `" q
as testotoxicosis, may cause precocious puberty at a
% b. f+ Z8 I$ {very young age. The physical findings in these boys7 ]# o6 E5 P7 r" b
with this disorder are full pubertal development,/ j) h9 f1 H# s; `: N
including bilateral testicular growth, similar to boys
% k  g+ `/ Y  t: O* B% P# ?; ?with CPP. The gonadotropin levels in this disorder
4 Z9 P/ |& o8 G  D% N; Tare suppressed to prepubertal levels and do not show5 q+ c: `+ d, P- l: g# Q  M
pubertal response of gonadotropin after gonadotropin-) f4 W% U, Y$ e& \- U
releasing hormone stimulation. This is a sex-linked
# u- S6 Q& t7 _! g- b2 Eautosomal dominant disorder that affects only
* Q  o9 q* {; s8 j+ }5 R' ?males; therefore, other male members of the family
, F" r4 c$ Z9 k2 p! b9 r0 ^9 ymay have similar precocious puberty.3  w7 f1 H# G5 j- C7 h. y
In our patient, physical examination was incon-
2 K+ ~8 U0 h  D/ s; c: ^/ O2 Osistent with true precocious puberty since his testi-* Y" O5 f3 D- [$ _9 \6 e
cles were prepubertal in size. However, testotoxicosis7 {3 X' |8 U2 m! j2 V( @
was in the differential diagnosis because his father& v; }  M$ |  S5 [
started puberty somewhat early, and occasionally,
: E) K9 ~0 Y1 i: Q& M. atesticular enlargement is not that evident in the( b. [+ D) X7 k4 ?: [2 T4 `3 y3 h/ b, C
beginning of this process.1 In the absence of a neg-" ]; F: U4 M7 I
ative initial history of androgen exposure, our
1 R2 E1 D1 v9 X. P+ ybiggest concern was virilizing adrenal hyperplasia,
  u9 {; U- G4 F; ~! `0 peither 21-hydroxylase deficiency or 11-β hydroxylase' |. c* N7 N9 r! H
deficiency. Those diagnoses were excluded by find-, [$ A: U( h% n  c& G1 O5 a
ing the normal level of adrenal steroids.
4 ]+ v* A! d  P5 S* [! H5 B& I  bThe diagnosis of exogenous androgens was strongly
$ B1 N# E" ^* J. v- jsuspected in a follow-up visit after 4 months because
- X# [% t! b6 ]the physical examination revealed the complete disap-. g. s2 j: J4 u
pearance of pubic hair, normal growth velocity, and
/ w' `9 n$ g+ H2 z- |6 K: E3 ndecreased erections. The father admitted using a testos-6 N# ]' l5 D- D8 j4 \$ ~
terone gel, which he concealed at first visit. He was8 b. @5 M1 g$ D/ X* e. e7 b
using it rather frequently, twice a day. The Physicians’
  ^3 [0 ^* l* `$ z7 u- \- e/ C. YDesk Reference, or package insert of this product, gel or
3 ]9 j2 x4 D' }7 H8 R/ I- V* ucream, cautions about dermal testosterone transfer to) h" h7 q. q2 ?% v0 D  A
unprotected females through direct skin exposure.
  i& f7 ^, s; b# {( f$ t% qSerum testosterone level was found to be 2 times the4 n9 X, W- f& t3 ^2 T
baseline value in those females who were exposed to
4 s6 B# z. H  @2 \' w& @8 v: f! Eeven 15 minutes of direct skin contact with their male
* I9 ~3 X# I; e( Y' L' t; wpartners.6 However, when a shirt covered the applica-! Z  e( T; g9 `1 T! e  s" a) }
tion site, this testosterone transfer was prevented.4 ]6 q3 p  w, ^& y8 U
Our patient’s testosterone level was 60 ng/mL,
/ o1 D! l; d0 `  V( d  _which was clearly high. Some studies suggest that, \8 o; z% O; W& ]2 K! d& V
dermal conversion of testosterone to dihydrotestos-
: }; E5 P0 J1 ^0 H+ f0 N% Xterone, which is a more potent metabolite, is more* @5 J1 ^0 t# ~0 u  `5 @7 n! P
active in young children exposed to testosterone
) e- I3 U: k& {+ o, T" sexogenously7; however, we did not measure a dihy-# p1 T* B8 ~* a# R, |) u
drotestosterone level in our patient. In addition to% p9 @0 R: c$ ?' f2 y- L% r2 t6 |
virilization, exposure to exogenous testosterone in
; u8 G* i& F5 X- achildren results in an increase in growth velocity and
* |" H" h) l5 X$ E. s/ E. _+ Madvanced bone age, as seen in our patient.
( B# N5 }6 c" k+ P, DThe long-term effect of androgen exposure during
/ N' L/ ~. ~( O% Z; W$ U% d% g4 Fearly childhood on pubertal development and final, D( U! o! Y5 H
adult height are not fully known and always remain
1 j/ r& J5 b3 Na concern. Children treated with short-term testos-
2 G  \- r/ p6 J9 mterone injection or topical androgen may exhibit some  i& {6 y4 k8 s1 P
acceleration of the skeletal maturation; however, after- V% S; A& |! Q. z* m- p( l
cessation of treatment, the rate of bone maturation
% K) O; V6 E! U6 i3 u' Cdecelerates and gradually returns to normal.8,97 z! S" O! O1 N3 t8 C+ k: V% |
There are conflicting reports and controversy. K7 M; f: g6 a! u
over the effect of early androgen exposure on adult
2 v& X& {9 \6 dpenile length.10,11 Some reports suggest subnormal
2 D- s! L( Q  T( d" d6 yadult penile length, apparently because of downreg-
+ M/ G) O/ L% r5 _ulation of androgen receptor number.10,12 However,
, Y* q& }- [$ L0 QSutherland et al13 did not find a correlation between
4 F: f$ H3 M0 b8 r- c0 _childhood testosterone exposure and reduced adult" J: Q+ V$ M& {: P
penile length in clinical studies.
# ?- V! p2 i/ ^! {0 S6 _Nonetheless, we do not believe our patient is
, U" ?, u  Q- h8 \- f# Q5 cgoing to experience any of the untoward effects from
( p) A' I) O4 @( G0 ^0 _; U% Y/ Ftestosterone exposure as mentioned earlier because- f0 ~9 S0 ^8 e
the exposure was not for a prolonged period of time.
) C7 K. N% f6 @6 ^Although the bone age was advanced at the time of0 y% j) U+ ]* a: p
diagnosis, the child had a normal growth velocity at# f6 U! [3 I# e9 Z$ t
the follow-up visit. It is hoped that his final adult1 d& h7 ?, s# ~1 t& q
height will not be affected.
$ ^3 j2 o) |& L2 QAlthough rarely reported, the widespread avail-
4 J  E( b! ^1 t  q  z  dability of androgen products in our society may5 X- [' Y- O3 X( W2 [' _
indeed cause more virilization in male or female
, [. ?5 y* s. V' `2 ichildren than one would realize. Exposure to andro-9 f, y2 k" F$ h
gen products must be considered and specific ques-6 I. b% q. }5 H/ @* a0 o% B0 N: X
tioning about the use of a testosterone product or
- c* g( Q4 u( a3 n9 H9 Cgel should be asked of the family members during) T: Q) i9 m  k
the evaluation of any children who present with vir-
) ?2 U3 u  G, R! B& @( b3 I$ Vilization or peripheral precocious puberty. The diag-7 z  X7 ?  a1 m, l2 p6 h1 ?- k1 o! u
nosis can be established by just a few tests and by0 B4 r$ l( h" U2 T' H+ @# D
appropriate history. The inability to obtain such a. i: O* m& @/ n/ k' }
history, or failure to ask the specific questions, may
. _# i5 W) q) X. Tresult in extensive, unnecessary, and expensive
7 t0 g" ?2 d, l) x7 p& _( V; ninvestigation. The primary care physician should be' x* C' D& G. D: W% b, \5 t7 z+ s
aware of this fact, because most of these children
4 _' y/ `) a5 S( M9 P% r( Umay initially present in their practice. The Physicians’  r8 v6 Q# C  {# K
Desk Reference and package insert should also put a
% I- w- b7 i( mwarning about the virilizing effect on a male or
4 \4 |. t5 o, `+ s$ wfemale child who might come in contact with some-6 z* M* \, k2 c! \7 t  I
one using any of these products.
7 v0 }: |0 W  @. ~6 j9 y- I( c3 zReferences
: `2 P* G' `) @  D" r( l8 s1. Styne DM. The testes: disorder of sexual differentiation
# u. Q3 w6 O- l. s- N; p3 E1 Dand puberty in the male. In: Sperling MA, ed. Pediatric
6 f# f) o2 h% B, iEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
9 R2 Q5 G. M8 ]) M2002: 565-628.( N) {# t- m/ }' g8 x
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
/ q& u5 W* s8 N/ z, y+ [" Xpuberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old
- z# n" s- r, O) x; g& y2 KBoy Induced by Indirect Topical5 v+ K0 _: [$ X
Exposure to Testosterone
! [8 p% z' S( P1 nSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
; s6 I" R0 G) j8 A+ U. @7 D" M7 mand Kenneth R. Rettig, MD1
3 p5 g$ I  |# m. L6 P& a1 @# _. ]Clinical Pediatrics
# B& c: P1 D8 Y4 E" m5 T: a( L6 w9 qVolume 46 Number 6
2 a6 w$ c9 U) J* M5 r- c. YJuly 2007 540-5430 O: f& W; [4 X1 e8 f
© 2007 Sage Publications
% b6 G8 e! {, Y$ M, D10.1177/0009922806296651
$ ^) ?* S! |4 h1 whttp://clp.sagepub.com
- e9 e0 q$ A  Y1 x  W2 W4 Khosted at
  R% q4 _% J7 ^  ^4 W) J0 [http://online.sagepub.com
( L" d+ N' R$ l, fPrecocious puberty in boys, central or peripheral,
2 w- @6 ^& l6 e! z" cis a significant concern for physicians. Central
% t& ~7 G# }5 Fprecocious puberty (CPP), which is mediated
# G2 c1 T% w  R9 Ythrough the hypothalamic pituitary gonadal axis, has( I( n7 O; r7 g5 Q8 l$ o
a higher incidence of organic central nervous system
/ Q5 T1 ]3 _/ N3 j5 tlesions in boys.1,2 Virilization in boys, as manifested, p0 e# y  q/ Z, |- y" ]0 ?* B3 f1 ?
by enlargement of the penis, development of pubic$ c6 ?1 g/ p; f6 h2 {2 [. C
hair, and facial acne without enlargement of testi-; h4 }& u/ D, J1 V
cles, suggests peripheral or pseudopuberty.1-3 We
/ l) g4 V# r5 d9 }( Zreport a 16-month-old boy who presented with the
: `. \) t: \7 A9 @0 @* r; oenlargement of the phallus and pubic hair develop-. P) n5 B2 Z0 t1 X
ment without testicular enlargement, which was due" s$ \: z3 Q! j6 o# y4 R6 \
to the unintentional exposure to androgen gel used by3 Z: E, s; l) C
the father. The family initially concealed this infor-; t, F( _0 X: q' \
mation, resulting in an extensive work-up for this
- }: m6 ?! ?) u! R6 Y) Qchild. Given the widespread and easy availability of) ?6 c- X- ]0 |: K
testosterone gel and cream, we believe this is proba-" w: \% h  T# [; P
bly more common than the rare case report in the( W. q6 c* g: o+ f7 K2 i% h$ c
literature.46 x+ ^. Y- e# B& I/ @, i) w9 |
Patient Report
7 D  O' Q, ?% H* a, E$ z7 L. @A 16-month-old white child was referred to the% F: V6 S2 R) V7 d9 E9 {) e" Z
endocrine clinic by his pediatrician with the concern( C6 G  u) o( u2 M: ]
of early sexual development. His mother noticed; y/ p7 a% n2 x; b. \3 _" ^
light colored pubic hair development when he was) V7 \) q( g4 P3 }& I# |
From the 1Division of Pediatric Endocrinology, 2University of
& @  X1 N) t8 E6 Z& @: C# {South Alabama Medical Center, Mobile, Alabama.8 i6 h2 ?% K) s) g" @. O% i
Address correspondence to: Samar K. Bhowmick, MD, FACE,& W0 f  |+ J# S- K
Professor of Pediatrics, University of South Alabama, College of" a  d0 ?1 u% `, p+ G
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
' X, C. J  b9 B, i9 E; B# B8 Ae-mail: [email protected].
  O% \5 d3 g1 {about 6 to 7 months old, which progressively became
6 ?) h+ E* N# L0 b. Q; D# fdarker. She was also concerned about the enlarge-
: M  P" o+ p. B; [. B# G, v7 mment of his penis and frequent erections. The child
2 |/ f  M+ T8 @+ L, A  ?1 V' iwas the product of a full-term normal delivery, with7 h* a' \. e/ r0 E) W8 F+ J
a birth weight of 7 lb 14 oz, and birth length of
4 Y; i" {: `  U/ L20 inches. He was breast-fed throughout the first year! ~* T8 s6 p1 ?7 Y- \" b
of life and was still receiving breast milk along with
6 }5 U5 ~) I# Osolid food. He had no hospitalizations or surgery,
$ [/ y/ V* e; S  Y" J4 \and his psychosocial and psychomotor development) z6 S) B8 D8 Z4 q& ^# t
was age appropriate.: j/ u1 b9 J8 F/ P
The family history was remarkable for the father,
$ i& z9 E2 D& v) {who was diagnosed with hypothyroidism at age 16,
  C6 f$ ^  ?- [- ~: T/ u. e1 ]which was treated with thyroxine. The father’s+ }$ R& X+ I: E. l8 ]
height was 6 feet, and he went through a somewhat. x- S/ E! c- |& M3 i' X6 o# w$ z/ H
early puberty and had stopped growing by age 14./ N8 E6 o/ U" {7 v
The father denied taking any other medication. The
3 V8 _5 ^* H* O6 b# s5 Ochild’s mother was in good health. Her menarche  M$ ~; s+ D& j/ v8 H* V' R9 e) j9 Y
was at 11 years of age, and her height was at 5 feet6 f- t4 v# [- o( K* J
5 inches. There was no other family history of pre-
% r3 f# w: G% i$ Q# ~: p  ucocious sexual development in the first-degree rela-
6 R# s0 g& \4 g. Dtives. There were no siblings." D, d& ?! b: |7 t! d9 Q/ u0 }
Physical Examination% j( o2 b4 Q0 w
The physical examination revealed a very active,5 S4 c! ], m6 [- ?
playful, and healthy boy. The vital signs documented) |4 y% ?5 U3 r/ B" X
a blood pressure of 85/50 mm Hg, his length was
! J& I8 ~7 ?" V90 cm (>97th percentile), and his weight was 14.4 kg
, r/ {* R( Z& C6 L(also >97th percentile). The observed yearly growth* ]; I9 o' X4 V
velocity was 30 cm (12 inches). The examination of
1 F5 v$ c, Z8 {1 X$ P( Tthe neck revealed no thyroid enlargement.' A. I$ L5 C9 K& _( E" v0 o& A
The genitourinary examination was remarkable for' D- L: V9 h/ Y( [  F; X  e
enlargement of the penis, with a stretched length of  H- t5 q) c* G5 z2 a: ?; l7 P
8 cm and a width of 2 cm. The glans penis was very well- F; P/ X: k+ ^" F. N2 U# I, p0 V
developed. The pubic hair was Tanner II, mostly around$ P' Q5 n0 O' Q" Z4 H& x3 Z' x: w
540" w+ q* B" I, b# o& J# v+ H' ^
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
; j6 n& q* o6 {the base of the phallus and was dark and curled. The% Y( y" T) T; x7 Q
testicular volume was prepubertal at 2 mL each." {+ |. h/ v2 s/ O0 O/ y2 g. [
The skin was moist and smooth and somewhat
# H! S3 {9 z6 V$ M) Q+ xoily. No axillary hair was noted. There were no- u4 {( V8 N" F8 f
abnormal skin pigmentations or café-au-lait spots.
# u: z% J8 F) z* ^9 V" ?1 S+ _; JNeurologic evaluation showed deep tendon reflex 2+
* R/ \; C# S+ r/ s' V3 s, rbilateral and symmetrical. There was no suggestion6 K5 ]1 N! C/ c
of papilledema.6 A' `8 i; ?, L, g* R" {
Laboratory Evaluation
! d0 ?) O/ D* y7 Z; f( Z- iThe bone age was consistent with 28 months by
0 z. B$ a6 @3 P5 ousing the standard of Greulich and Pyle at a chrono-+ P% l# u& n, v9 z0 T  ]$ M
logic age of 16 months (advanced).5 Chromosomal8 i& g, h" P6 S# J$ U
karyotype was 46XY. The thyroid function test
* l3 \$ a) p  q' }* L  ]showed a free T4 of 1.69 ng/dL, and thyroid stimu-) {# i: L5 q3 J, ]) A5 U
lating hormone level was 1.3 µIU/mL (both normal).
3 p6 S/ r4 H4 F4 ^  ?* A! B% ?The concentrations of serum electrolytes, blood, |& ]3 P, q2 O9 _
urea nitrogen, creatinine, and calcium all were
' _  V1 T8 F+ r- {, P. gwithin normal range for his age. The concentration/ r3 E+ o( J" F6 l9 F  K5 i9 b
of serum 17-hydroxyprogesterone was 16 ng/dL" P1 O3 Y% n5 t5 G) F* G$ N6 i
(normal, 3 to 90 ng/dL), androstenedione was 20
& Z  K. _  x( O% E! {ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-. [6 _0 ?6 U9 ?
terone was 38 ng/dL (normal, 50 to 760 ng/dL),4 I- {" I. L( b- n2 `; V" p5 D
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
6 ~% @" i- _) R# ~9 W. l% v. H. E49ng/dL), 11-desoxycortisol (specific compound S). S$ S6 d- z, J' R3 T* m
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
* v2 Y; T3 I* {7 ]3 p2 Ltisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total- v0 ]# k1 R4 }8 l  j% J) ~5 v
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),
/ U4 M: g: r, q5 M  O3 land β-human chorionic gonadotropin was less than; K( J1 P! E7 ]  W% I: W
5 mIU/mL (normal <5 mIU/mL). Serum follicular5 Q& V% {8 [5 `% i; O6 L5 z$ N& }
stimulating hormone and leuteinizing hormone) C2 ~: Y4 u7 I0 s" Q8 z
concentrations were less than 0.05 mIU/mL
0 P0 t3 z# j5 v5 h" g2 J( x0 P(prepubertal).
! z5 j: C; Z+ f7 d* T# d, K$ X) W) MThe parents were notified about the laboratory* E- M3 x8 ~3 z! T. M, E5 S
results and were informed that all of the tests were" A) \9 ]# H" B3 S% ~
normal except the testosterone level was high. The2 ]0 c" N3 {" y( X' d) Q: b: S
follow-up visit was arranged within a few weeks to
7 }0 @  S. ]/ Uobtain testicular and abdominal sonograms; how-+ a% L; {6 t: V+ c. H
ever, the family did not return for 4 months.2 y5 p; B8 y+ R; ?: A  Z8 F
Physical examination at this time revealed that the5 e) F+ J9 n; ?
child had grown 2.5 cm in 4 months and had gained3 Z$ X5 J3 w) w& q; f- e6 t
2 kg of weight. Physical examination remained7 F& h& d' {7 M' s8 @3 l, |' k
unchanged. Surprisingly, the pubic hair almost com-* C+ U: u) B3 {
pletely disappeared except for a few vellous hairs at" q- p) v1 Q( Y& s9 s
the base of the phallus. Testicular volume was still 2
/ K5 S1 O8 K; d9 i$ T! b( h) n" umL, and the size of the penis remained unchanged.( Q1 W* I* P  l8 }3 l- Z. O/ D* h) ?+ I$ {
The mother also said that the boy was no longer hav-
5 Z. S, |0 L& [9 s% A0 J9 m* M' sing frequent erections.: ?5 u# Y. s! ^8 r- X4 U8 [+ W
Both parents were again questioned about use of/ v* s( E1 u, c! _6 ~4 ~6 c0 S
any ointment/creams that they may have applied to
" }( [" g  W4 _( y8 r# v$ a3 J7 Bthe child’s skin. This time the father admitted the
" n3 }( ^$ |& W" v, uTopical Testosterone Exposure / Bhowmick et al 5419 x# l% F1 ^* k( k' V' H: E
use of testosterone gel twice daily that he was apply-
8 Q# B1 P8 L* X8 o! a+ S+ p, Xing over his own shoulders, chest, and back area for
1 G8 w9 O  Y& ?, X. ha year. The father also revealed he was embarrassed
. A9 S* O) e& b3 Wto disclose that he was using a testosterone gel pre-7 h" a0 Z/ A0 |6 z
scribed by his family physician for decreased libido2 @4 _2 D7 H( a0 r# c9 V& R
secondary to depression.
3 i3 \; r( J2 U2 O0 R  i( b) N+ RThe child slept in the same bed with parents.
% ~; r2 Z( \5 ]" vThe father would hug the baby and hold him on his1 o) K7 x  |( o
chest for a considerable period of time, causing sig-
& F1 G0 `) R( g; B  L8 I/ n1 J7 Y% l! Knificant bare skin contact between baby and father.! c, c; c0 F" l$ a1 i( b
The father also admitted that after the phone call,
" Z  C( ?$ ?, O8 h% |9 zwhen he learned the testosterone level in the baby
; D+ m3 o! X6 ?, T% j8 Ywas high, he then read the product information
! P9 f' X7 z1 a; d( `packet and concluded that it was most likely the rea-( @' }0 z8 E5 `7 ]2 ]4 s- q9 I
son for the child’s virilization. At that time, they
: |5 `# |3 @* Q7 K& l- xdecided to put the baby in a separate bed, and the
8 J( U' H" i" E6 A' u8 nfather was not hugging him with bare skin and had
; o8 p. f; c; }. Ebeen using protective clothing. A repeat testosterone9 n! S9 e6 t% o. z# k
test was ordered, but the family did not go to the6 ^  a: r% e' E  h, U0 ?: u
laboratory to obtain the test.# k  P" e- {2 ~; I9 R
Discussion( }+ f* a- t9 M0 E" L
Precocious puberty in boys is defined as secondary
& U$ X! W3 Y* g! s' s9 Esexual development before 9 years of age.1,4* H7 I" N1 I/ I- ~% j# ?
Precocious puberty is termed as central (true) when
4 J. d( P+ u; ]) Z6 K& qit is caused by the premature activation of hypo-
' R' p& p6 S, l, @& [thalamic pituitary gonadal axis. CPP is more com-  Z6 B( C1 x4 H
mon in girls than in boys.1,3 Most boys with CPP/ H8 K! J  c# V5 J, H
may have a central nervous system lesion that is5 y4 T' z$ |% y2 b# n; @
responsible for the early activation of the hypothal-
' H! q# w" Q7 {' O9 Iamic pituitary gonadal axis.1-3 Thus, greater empha-$ M' h6 u5 M9 `! _: B+ |- ~
sis has been given to neuroradiologic imaging in
3 z3 e2 h8 Y3 b+ t. l3 v0 }! i$ Iboys with precocious puberty. In addition to viril-  @/ ~# O0 D' L) Q% e! B
ization, the clinical hallmark of CPP is the symmet-2 Z$ t) O+ {4 Z9 D! Y! _- ^
rical testicular growth secondary to stimulation by4 F: l% f/ {8 G9 {
gonadotropins.1,3$ b& A7 z% f. ~" A. \* R0 s
Gonadotropin-independent peripheral preco-) H6 y. o  p9 L" W4 p
cious puberty in boys also results from inappropriate
0 J9 g* B9 C2 a, R$ Gandrogenic stimulation from either endogenous or: a9 r+ g& m: w0 U! j
exogenous sources, nonpituitary gonadotropin stim-) f8 K' X( @/ K% \* G) I/ S
ulation, and rare activating mutations.3 Virilizing8 o+ P3 n) D- V" r* D
congenital adrenal hyperplasia producing excessive- q, _# L6 ]  X* U
adrenal androgens is a common cause of precocious
$ }1 _5 L* }- g. Upuberty in boys.3,4
; q5 n& |+ h$ b1 m) K4 a! wThe most common form of congenital adrenal
' ^5 Q% ]( l6 y* y3 L, }hyperplasia is the 21-hydroxylase enzyme deficiency.
& D: k; P- K0 x; t$ Z; u$ x; h0 I* EThe 11-β hydroxylase deficiency may also result in
. a% ~3 o6 t% p1 ^: A) sexcessive adrenal androgen production, and rarely,
- p# N( i; U) S+ W6 d% Jan adrenal tumor may also cause adrenal androgen
6 D! \4 t6 q/ ~: Xexcess.1,33 D3 n( \, D; G
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from, H( v/ L, g. r0 \3 u' r. _2 B
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
4 i1 k% n0 d1 l+ TA unique entity of male-limited gonadotropin-$ H/ _1 f" d+ h5 R0 S  q( R( x* l$ a
independent precocious puberty, which is also known
5 B4 D7 V# ?) Mas testotoxicosis, may cause precocious puberty at a
3 E5 R4 s0 g% yvery young age. The physical findings in these boys2 W; V% s. P  `/ J6 M' f
with this disorder are full pubertal development,
3 \5 d: {. k0 Z6 hincluding bilateral testicular growth, similar to boys
) ]4 e# B( g9 o" o5 v& hwith CPP. The gonadotropin levels in this disorder8 ^, g: S: ~: e
are suppressed to prepubertal levels and do not show
8 `1 `  Y" D- G6 Ppubertal response of gonadotropin after gonadotropin-
! F  z0 X+ l2 E) freleasing hormone stimulation. This is a sex-linked" X3 ?+ x% G3 K2 Q( w1 ]' L4 a
autosomal dominant disorder that affects only  p9 _1 ~. H! F. Z: F
males; therefore, other male members of the family
. O! `6 l" K& y( w: A. I4 A# Xmay have similar precocious puberty.3# |% T5 k2 n: S% h2 j2 T
In our patient, physical examination was incon-
: ^. L9 l  q  nsistent with true precocious puberty since his testi-/ r( e  I* T& S' ^  L) T
cles were prepubertal in size. However, testotoxicosis, ^8 G& s- g+ v6 S$ b3 T
was in the differential diagnosis because his father
# w; M; @, `! e3 o% Ustarted puberty somewhat early, and occasionally,, w# s. T; [, O) G
testicular enlargement is not that evident in the
" y3 ]8 M# }" J  ?; Pbeginning of this process.1 In the absence of a neg-
3 ^) V( V" x; dative initial history of androgen exposure, our2 S. x1 a5 W0 \9 C( e  ?" |
biggest concern was virilizing adrenal hyperplasia,
( H1 ]; |; [! E; G: Z0 O% W4 ?& seither 21-hydroxylase deficiency or 11-β hydroxylase9 I5 L% a$ \- |3 Y& F4 ?
deficiency. Those diagnoses were excluded by find-7 a4 d, G# o/ F4 A/ [+ @% R
ing the normal level of adrenal steroids.
# l* z' \# s" |' i& m( S6 i. l# AThe diagnosis of exogenous androgens was strongly
' \& \8 Y$ }& u: r6 }) l/ rsuspected in a follow-up visit after 4 months because( Q& j1 w: k; J( {
the physical examination revealed the complete disap-9 U/ D; V; c" ^
pearance of pubic hair, normal growth velocity, and7 i) R' _: u. M! M( U4 n+ u" z
decreased erections. The father admitted using a testos-
% c' R' P  D- ]7 Eterone gel, which he concealed at first visit. He was
: P# K, j  j+ dusing it rather frequently, twice a day. The Physicians’3 F) I4 k. F. Q2 I: i
Desk Reference, or package insert of this product, gel or, Q" X& d: p# A* K2 f; B$ Y) k5 M
cream, cautions about dermal testosterone transfer to4 p, e, x- h) X1 ]3 f3 z
unprotected females through direct skin exposure.* ]8 i3 l' P, b6 V: b' `
Serum testosterone level was found to be 2 times the$ E# q. n5 X+ }7 D: F# x+ P
baseline value in those females who were exposed to. C9 e, \5 r8 p5 b+ w8 ~* k4 m# I
even 15 minutes of direct skin contact with their male$ |: p- C6 [6 z
partners.6 However, when a shirt covered the applica-0 |0 b6 T, y9 X' N% `
tion site, this testosterone transfer was prevented.
( X7 B4 Y2 v* ^# d% COur patient’s testosterone level was 60 ng/mL,0 O3 |( P& w9 P! @4 t
which was clearly high. Some studies suggest that
2 M, }0 I) `  R+ @$ N! [8 b) H2 rdermal conversion of testosterone to dihydrotestos-
  b7 x# ^( Z* A0 s0 a! j" m2 hterone, which is a more potent metabolite, is more
6 R" e  Q" |8 M* ~  m# Bactive in young children exposed to testosterone
0 l4 F8 ~- H' E2 Qexogenously7; however, we did not measure a dihy-! j- G. a8 B# ~
drotestosterone level in our patient. In addition to
6 C7 S2 M& ?, s* ]; N4 _% m2 rvirilization, exposure to exogenous testosterone in5 V) E% Y8 |* o0 {
children results in an increase in growth velocity and
. ]$ X6 @2 F# B. f1 Y8 r7 tadvanced bone age, as seen in our patient.
5 ^) g0 O$ Z, ?! g( a! G! t. K  i7 CThe long-term effect of androgen exposure during
) G6 u- A9 k# t  S8 _early childhood on pubertal development and final( N3 q! H3 p8 A# J* D& c! J( S+ P
adult height are not fully known and always remain
2 _9 `3 H+ g. M! @$ `8 _a concern. Children treated with short-term testos-
, D, ^" \3 R: x2 o" l6 [& tterone injection or topical androgen may exhibit some& G: b% @& M: q: y( i& e! h' R
acceleration of the skeletal maturation; however, after: ]$ @& g8 \: I9 d: Z
cessation of treatment, the rate of bone maturation
2 V# x: p' m7 R4 c; mdecelerates and gradually returns to normal.8,9
$ a& h2 v, i7 kThere are conflicting reports and controversy  R$ n9 C- ~, W, y: D! H
over the effect of early androgen exposure on adult+ [9 Z, l6 G9 p
penile length.10,11 Some reports suggest subnormal
, W7 C4 Q7 \. H9 @- gadult penile length, apparently because of downreg-
# ~. H3 O( V1 w( Z2 ]* S. Nulation of androgen receptor number.10,12 However,# M8 Y- l5 u+ R1 G2 `
Sutherland et al13 did not find a correlation between: c+ G/ E$ p8 U) Q1 J' P/ L) ?
childhood testosterone exposure and reduced adult
. h$ d: Z5 W  _) A; w) K( a  Upenile length in clinical studies." {5 I8 T4 E; Y! m% y
Nonetheless, we do not believe our patient is! z7 b9 H# y. K0 r1 n; f# r
going to experience any of the untoward effects from
1 i! ]& O  c; z7 q( V0 l1 E6 Ytestosterone exposure as mentioned earlier because
3 Y/ [; e- P( M) C3 F8 }the exposure was not for a prolonged period of time.4 B/ f0 E; k+ d. ]0 j
Although the bone age was advanced at the time of! e8 G0 n) R: g2 @/ `2 P
diagnosis, the child had a normal growth velocity at
! ~" q) c9 c* X  xthe follow-up visit. It is hoped that his final adult
6 \' b7 ?$ y3 z9 s  z& y# j/ q/ F+ `height will not be affected.
6 F! z" i9 N2 i, cAlthough rarely reported, the widespread avail-
. s5 P  o' Z$ r6 Kability of androgen products in our society may
7 A8 P3 ~$ }2 N9 U5 T5 C6 P. bindeed cause more virilization in male or female
( E, K! d/ p$ c( f( i" }9 rchildren than one would realize. Exposure to andro-
2 v; I/ n) {$ E, }gen products must be considered and specific ques-
' Z1 F8 p  l" i0 }/ F& j% btioning about the use of a testosterone product or/ H. k* o7 A$ ]5 x6 F
gel should be asked of the family members during9 V- j* `; p* Y0 ~3 o' R
the evaluation of any children who present with vir-* }9 R' [8 `1 J, {! D" M( u4 M0 ~
ilization or peripheral precocious puberty. The diag-3 i2 P2 \+ P1 ^, i9 }* l* u( a
nosis can be established by just a few tests and by! ~9 k! i0 ], @9 M8 V& A  _/ }
appropriate history. The inability to obtain such a
/ C5 h. C% T  I( v1 |9 _history, or failure to ask the specific questions, may
: M  A/ `9 x$ Mresult in extensive, unnecessary, and expensive" R8 f( g% l/ [' c( Q
investigation. The primary care physician should be) o) @& K/ w2 `, I
aware of this fact, because most of these children
' A! d; e  U$ R# @( p" @$ k5 Smay initially present in their practice. The Physicians’
" N1 R& f3 O7 X, r% [. GDesk Reference and package insert should also put a
1 @% A2 T$ s0 vwarning about the virilizing effect on a male or5 V5 y; d- x  x2 A" ]  {2 x
female child who might come in contact with some-
4 e, d+ a( o% Y  Z! ~1 ~' Pone using any of these products.8 y5 m  ?) }/ d# i  f+ B
References0 x0 b, z2 w) D* W/ t: o; X3 x
1. Styne DM. The testes: disorder of sexual differentiation
7 X* Q  j" r$ a; C  Zand puberty in the male. In: Sperling MA, ed. Pediatric! u3 ?* J  R' D/ y/ ]
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;3 U! W& ^8 |  D5 R/ R7 ^
2002: 565-628.# J. W$ P0 f' p7 [
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious  s$ t: f: \; T7 `, h5 |
puberty in children with tumours of the suprasellar pineal
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女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
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4个什么样的?
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精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
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精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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