MCQ – 89077

Question

A lymph node biopsy shows large pleomorphic cells in a sinusoidal distribution (see image). Which of the following would support a diagnosis of anaplastic large cell lymphoma (ALCL)?

A.

Variable positivity with CD30

B.

Positivity for Epstein-Barr virus

C.

Positivity for cytotoxic granule-associated proteins such as TIA-1

D.

Dim nuclear PAX5 positivity

Show Answer

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