Adenomatoid tumor

What is an adenomatoid tumor, and what are its cross sectional imaging features?

Adenomatoid tumor is the second most common extratesticular scrotal tumor. It is benign in nature and arises most often from the epididymis and less commonly from the tunica vaginalis or spermatic cord.

On cross-sectional imaging, a small well-circumscribed extratesticular mass is typically seen, which has variable echogenicity, soft tissue attenuation, and low T2-weighted signal intensity relative to testicular parenchyma, with enhancement after contrast administration.


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