Related Experiment Video
Updated: Oct 25, 2026

Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats
Published on: October 13, 2018
Case report. An unusual case of precocious puberty
1Yale University School of Medicine, New Haven, CT 06520, USA.
Abstract:
An almost 3-year-old boy was evaluated for pubic hair and unilateral testicular enlargement 1 week after resection of an astrocytoma of the posterior fossa. Rather than the expected diagnosis of central precocity due to increased intracranial pressure, a diagnosis of congenital adrenal hyperplasia (21-hydroxylase deficiency) with testicular adrenal rest cells was made. The differential diagnosis, laboratory evaluation, and currently accepted medical management of congenital adrenal hyperplasia are described.
Related Concept Videos
Abnormal Proliferation
Abnormal Proliferation
Nondisjunction
Adrenal Gland Disorders
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
Signs of Puberty
Conduct Disorder

