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Updated: Jun 13, 2026

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Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst
Published on: March 31, 2023
Testicular epidermoid cysts: sonographic features with clinicopathologic correlation
Maria A Manning1, Paula J Woodward
1Department of Radiology, University of Maryland Medical Center, Baltimore, MD 21201, USA. mmanning@umm.edu
Summary
Intratesticular epidermoid cysts are benign testicular masses. Sonographic features like mural calcifications and concentric rings can help distinguish them from malignancies, potentially avoiding unnecessary surgery.
Area of Science:
- Radiology
- Pathology
- Urology
Background:
- Intratesticular epidermoid cysts are rare, solid-appearing testicular masses.
- These benign lesions often present as palpable masses.
- Accurate diagnosis is crucial to differentiate from testicular malignancy.
Purpose of the Study:
- To characterize the sonographic features of intratesticular epidermoid cysts.
- To correlate imaging findings with clinicopathologic data.
- To improve diagnostic accuracy and guide clinical management.
Main Methods:
- Retrospective review of sonographic features of intratesticular epidermoid cysts.
- Correlation with clinical, surgical, and pathological data.
- Evaluation of cyst shape, borders, calcifications, echogenicity patterns, and vascularity on Color Doppler imaging.
Main Results:
- Mural calcifications were the most common finding (86%).
- Concentric rings of alternating echogenicity were observed in 62% of lesions.
- An echogenic central core was present in 33% of cysts; no internal vascularity was detected.
Conclusions:
- Intratesticular epidermoid cysts are benign and often present as palpable masses.
- Specific sonographic features can aid in differentiating these cysts from testicular cancer.
- Recognizing these imaging characteristics may prevent unnecessary orchiectomy.
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