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Updated: Aug 13, 2026

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
Published on: March 30, 2015
Solid extratesticular masses in children: radiographic and pathologic correlation
Tammy Sung1, Wolfram F J Riedlinger, David A Diamond
1Department of Radiology, Brigham and Women's Hospital, 75 Francis St., Boston, MA 02115, USA. tsung@partners.org
Objective:
The purpose of this pictorial essay is to review the sonographic and pathologic appearances of the most common solid and complex extratesticular masses in children.
Conclusion:
Solid or complex extratesticular masses, especially those that are rapidly growing and are painless, raise concerns regarding malignant rhabdomyosarcoma. Mimickers of rhabdomyosarcoma include inflammatory processes such as pseudotumor, chronic epididymitis, or meconium periorchitis. Because sonography cannot distinguish benign from malignant, worrisome extratesticular masses should be biopsied or removed.