PMC9037850_01
Retrograde urethrogram shows proximal short and narrow bulbar urethral stricture (arrowhead).
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Fluoroscopic images showed a proximal short and narrow bulbar urethral stricture (Figure 1), which explained patient's complaints of incomplete bladder emptying, difficulty urinating, slow stream, and frequency.
Color flow and spectral doppler of the right epididymis in sagittal plane. Results demonstrated: A - a right paratesticular (epididymal) mass (1.49 cm in greatest dimension); B - with increased vascularity.
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Testicular sonogram was performed revealing a 1.2 cm hypoechoic, hypervascular mass in the right epididymal head (Figure 2).
Gross examination of the resected right epididymis. A - Segment of epididymis with attached yellow, lobulated adipose tissue and tan, pink, smooth external surface. B - Cut section through the specimen revealed an irregular, bright yellow, solid mass that measured 1.1 x 0.8 x 0.8 cm, located at 0.2 cm from the resection margin.
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Photomicrographs of the epididymis showing epididymal mass with clear cell neoplasm and tubular/glandular morphology (H&E, 20x objective).
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Microscopic examination revealed a clear cell neoplasm with tubular/glandular morphology (Figure 4).
Photomicrographs of the epididymis examination using immunohistochemical stains. Tumor cells were positive for pankeratin (AE1/AE3), PAX8, EMA, and CK7. CD10 stain showed equivocal weak focal staining. PSA, PSAP, racemase (AMACR), CD30, and CD117 were all negative. Microscopic images were examined at 20x objective.
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The stains for prostate specific antigen (PSA), prostate-specific acid phosphatase (PSAP), racemase (AMACR), CD30, and CD117 were negative (Figure 5).