Diagnostic Ultrasound for Sonographers

Undescended Testis

KEY FACTS Terminology Cryptorchidism, cryptorchism Definition: Incomplete descent of testis into base of scrotum You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Testicular Torsion/Infarction

KEY FACTS Terminology Spontaneous or traumatic twisting of testis & spermatic cord within scrotum, resulting in vascular occlusion/infarction You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a…

Testicular Microlithiasis

KEY FACTS Terminology Testicular microlithiasis (TML): Presence of 5 or more microliths or microcalcifications in whole testis or 5 or more microliths per field of view Limited TML: Presence of < 5 microcalcifications per field of view Microcalcifications composed of…

Tubular Ectasia of Rete Testis

KEY FACTS Terminology Dilated rete testis Cystic transformation of rete testis You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Epidermoid Cyst

KEY FACTS Terminology Rare, benign, keratin-containing lesion of controversial origin You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Testicular Lymphoma/Leukemia

KEY FACTS Terminology Infiltrative neoplasm of testis in which tumor cells surround and compress seminiferous tubules and normal testicular vessels You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you…

Gonadal Stromal Tumors, Testis

KEY FACTS Terminology Gonadal stromal tumors arise from nongerm cell elements You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Testicular Germ Cell Tumors

KEY FACTS Imaging Discrete, solid, intratesticular mass on grayscale ultrasound with abnormal intrinsic vessels on color Doppler Most common neoplasm in males aged 15-34 Mostly unilateral; contralateral tumor develops eventually in 8% Seminoma is most common pure germ cell tumor…

Penis and Urethra

IMAGING ANATOMY Penis Composed of 3 cylindrical shafts 2 corpora cavernosa : Main erectile bodies – On dorsal surface of penis – Diverge at root of penis ( crura ) and are invested by ischiocavernosus muscles – Chambers traversed by…

Testes and Scrotum

GROSS ANATOMY Testes Densely packed seminiferous tubules separated by thin, fibrous septa Seminiferous tubules join to form rete testis , which converge posteriorly into efferent ductules Penetrate posterior tunica albuginea at mediastinum to form head of epididymis May become dilated,…