A Testicular Leydig Cell Tumor; An Uncommon Cause of Precocious Puberty: A Case Report With Secondary Central Precocious Puberty

Sexual precocity in boys is defined as any sign of secondary sexual characteristics present before the age of 9. Leydig cell tumors of the testes are a rare cause of peripheral precocious puberty in boys. Here, we report 8 years and 4-month-old boys with signs of peripheral precocious puberty becaus...

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Bibliographic Details
Published in:	Acta medica Iranica Vol. 61; no. 2; p. 118
Main Authors:	Mousavi, Seyede Tahereh, Zohrabi, Farshad, Farzaneh, Mohammad Reza
Format:	Journal Article
Language:	English
Published:	Tehran Tehran University of Medical Sciences 2023
Subjects:	Case reports Gonadotropin-releasing hormone (GnRH) agonist Leydig cell tumor Precocious puberty Puberty Surgical resection Testicular cancer
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Summary:	Sexual precocity in boys is defined as any sign of secondary sexual characteristics present before the age of 9. Leydig cell tumors of the testes are a rare cause of peripheral precocious puberty in boys. Here, we report 8 years and 4-month-old boys with signs of peripheral precocious puberty because of a testicular Leydig cell tumor that developed true precocious puberty after surgical removal. Examination of genitalia showed Tanner 4 hair growth. The penis length was 14.5 cm with a 2.5 cm width. The right testis was enlarged but the left testis was measured at 2cm in length and 1 cm in width. Laboratory results showed low serum gonadotropin levels and increased androgen levels. Testicular sonography reported one solid mass measured 31×28×15 millimeters. With a presumptive diagnosis of Leydig cell tumor, the patient underwent radical orchiectomy. Pathologic evaluation confirmed it. Two months after surgery, the diagnosis of central precocious puberty was confirmed according to physical examination and rising of serum gonadotropins. We started treatment with a Gonadotropin-releasing hormone (GnRH) agonist. Leydig cell tumor in children is an uncommon cause of precocious puberty. In every boy with the sign of peripheral precocious puberty and asymmetrical testicular enlargement, the testicular tumor should be considered. It may induce central precocious puberty after surgical resection and this diagnosis should be considered in the patient’s follow-up in the next visits.
ISSN:	0044-6025 1735-9694
DOI:	10.18502/acta.v61i2.12558