Primary CNS lymphoma

Case contributed by A.Prof Frank Gaillard

Presentation

Decreased conscious state.

MRI

Pending. 

MRI

Two weeks following treatment with steroids.

Pending. 

Histopathology

Final Diagnosis: Cerebellum - consistent with diffuse large B-cell lymphoma.

Microscopic Description: Sections show pieces of cerebellar tissue and cerebellar white matter. These structures show variable lymphoid infiltrates that are both superficial as well as perivascular and also intraparenchymal. The infiltrates are most prominent within block B. The individual cytologic characteristics range from mild to more pronounced nuclear pleomorphism. Some scattered mitotic figures are seen. T-cell infiltrates are highlighted by the CD3 immunoperoxidase study. The B-cell infiltrates are predominant and are highlighted by the CD20 immunoperoxidase study. There is no diagnostic evidence of demyelination in the LFB, LFB/Bielschowsky and Bielschowsky-stained sections.

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Case information

rID: 4349
Case created: 12th Aug 2008
Last edited: 23rd Jun 2016
Inclusion in quiz mode: Included

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