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Scrotal Sonography in Normal Subjects

Prevalence of Incidental Findings

Kailash Thakore, RDMS

Peter L. Choyke, MD

Thomas Shawker, MD

Department of Diagnostic Radiology, Clinical Center, National Institutes of Hlealth, Bethesda, Maryland.

W. Marston Linehan, MD

Urologic Oncology Section, Surgical Branch, National Cancer Institute, Bethesda, Maryland.

To document the frequency of epididymal and testicular abnormalities in asymptomatic men, scrotal sonography was performed on 75 men ranging in age from 10 to 84 years. Epididymal cysts larger than 3 mm in size were found in 23% of the patients, hydroceles in 23%, varicoceles (tortuous vessels x3 mm in diameter) in 11%, testicular cysts in 4%, atrophy in 3%, and calcifications in 3%. The high prevalence of these findings can complicate the interpretation of sonograms of the symptomatic scrotum.

Key Words: scrotal ultrasound • epididymis • varicocele • testicular cyst • testicular microlithiasis

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