case_images: PMC9037850_01
case_images: Retrograde urethrogram shows proximal short and narrow bulbar urethral stricture (arrowhead).
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case_images: 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.
case_images: 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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case_images: Testicular sonogram was performed revealing a 1.2 cm hypoechoic, hypervascular mass in the right epididymal head (Figure 2).
case_images: 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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case_images: Photomicrographs of the epididymis showing epididymal mass with clear cell neoplasm and tubular/glandular morphology (H&E, 20x objective).
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case_images: Microscopic examination revealed a clear cell neoplasm with tubular/glandular morphology (Figure 4).
case_images: 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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case_images: The stains for prostate specific antigen (PSA), prostate-specific acid phosphatase (PSAP), racemase (AMACR), CD30, and CD117 were negative (Figure 5).