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Joseph Junewick, MD FACR
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Testicular Adrenal Rests

Case Detail

Anatomy: Genitourinary
Joseph Junewick, MD FACR
Diagnostic Category: Genetic or Congenital
Created: over 11 years ago
Updated: over 11 years ago
Tags: PEDS
Modality/Study Types: US
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Teenager with congenital adrenal hyperplasia.

Case Images


Testicular Adrenal Rests.


Nodular infiltration of the right and left testicles; nodules are hypoechoic relative to the normal testicular echogenicity, adjacent to the mediastinum and hypervascular on color Doppler.


Testicular adrenal rests are present in a large percentage of normal males secondary to the common embryological development. Testicular adrenal rests hypertrophy and become manifest under the influence of adrenocorticotropic hormones. Testicular adrenal rests can be nodular or infiltrative, unilateral or bilateral, hypervascular or hypovascular, and are often near the mediastinum. Testicular adrenal rests can be seen in patients with congenital adrenal hyperplasia, Cushing syndrome and Addison disease.


Avila NA, et al. Testicular adrenal rest tissue in congenital adrenal hyperplasia: findings at gray-scale and color Doppler US. Radiology 1996; 198:99-104

Aso C, et al. Gray-scale and color Doppler sonography of scrotal disorders in children: An update. Radiographics 2005; 25(5):1197-1214.

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