Seminoma
Presentation
Presented with a right testis mass. He had normal serum markers and there was no other radiological evidence of disease. The right testis was removed at operation.
Patient Data
Right testis
There is a circumscribed, homogenous, pale tumour, confined to the testis. The surrounding parenchyma is pale and unremarkable. The attached cord is also visible.
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Low power histology - well defined interface between sheets of tumour cells (left) and adjacent testicular parenchyma with compressed seminiferous tubules (right).
High power histology - coalescing nodules of large tumour cells with large nuclei and abundant cleared cytoplasm. The thin strands of intervening stroma contain reactive lymphocytes (compare nuclear size).
Case Discussion
The features are of pure seminoma. There were no non-seminomatous elements identified.
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