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Sonographic and MR imaging findings of testicular epidermoid cysts

Jae-Ho Cho, Jay-Chun Chang, Bok-Hwan Park, Jae-Gyo Lee, Chul-Ho Son
AJR. American Journal of Roentgenology 2002, 178 (3): 743-8

OBJECTIVE: The purpose of this study is to analyze the sonographic and MR imaging findings of testicular epidermoid cysts.

CONCLUSION: Sonographic findings of a markedly heterogeneous intratesticular mass with or without alternating hypo- and hyperechoic layers surrounded by a hypoechoic or echogenic rim and the absence of flow on color Doppler sonography suggest the preoperative diagnosis of testicular epidermoid cysts. T2-weighted MR imaging findings of a high-signal-intensity mass with or without low-signal-intensity foci surrounded by a low-signal-intensity rim and the absence of enhancement on contrast-enhanced T1-weighted MR images can strengthen the preoperative diagnosis. These imaging findings can offer a basis for surgeons to attempt testis-sparing surgery instead of orchiectomy.

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