PMC2647915_01
Macroscopic appearance of excised right testis and overlying scrotal skin. Arrow demonstrates cutaneous invasion by necrotic carcinoma.
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F1
Ultrasound of scrotum demonstrated a heterogenous solid vascular lesion of the scrotal skin thought to originate in the upper pole of the right testis (figure 1).
Ultrasound right testis demonstrating loss of tissue plane between testis and adjacent structures/overlying skin (arrow).
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F2
He underwent radical en-bloc resection of the scrotal skin and underlying testis due to intra-operative suspicion of testicular involvement (figure 2).
Haematoxylin and eosin (H&E) stains positive for carcinoma cells, magnification x 40.
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F3
Histological analysis of the excised specimen showed metastatic moderately differentiated adenocarcinoma, most likely of large bowel origin, infiltrating the skin and subcutaneous tissue of the scrotum (figure 3).
Demonstrates tumour tissue staining strongly positive for CEA, magnification x 400.
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F4
Demonstrates tumour tissue staining strongly positive for CK-20, magnification x 400.
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F5