Seminoma

Case contributed by Dr Andrew Ryan

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

Age: 25
Gender: Male
Pathology

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.

Pathology

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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Case information

rID: 16056
Case created: 12th Dec 2011
Last edited: 11th Apr 2018
Inclusion in quiz mode: Excluded

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