Crossed Testicular Ectopia

Sonographic and Computed Tomographic Fusion: Imaging Features of Nonseminomatous Testicular Carcinoma in Transverse Testicular Ectopia

“…Although several theories have been proposed, the exact cause has yet to be elucidated. A review of the literature shows roughly 100 reported cases, mostly as case reports, with even fewer with associated testicular neoplasia 1 . Fewer than 5 cases of nonseminomatous testicular malignancy associated with this abnormality were found 2 – 4 …”

“…Additional congenital anomalies are usually encountered, with 3 classifications of transverse testicular ectopia described in the literature. Type 1 presents with only hernia (most common, up to 50%); type 2 presents with persistent or rudimentary müllerian remnants; and type 3 includes other genitourinary abnormalities without associated müllerian remnants 1 , 5 – 8 …”