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Pathology · Haematopathology
Sample itemBinucleate 'owl-eye' cells that stain for CD15 and CD30 are characteristic of which condition?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Classical Hodgkin lymphoma
Reed–Sternberg cells with large owl-eye nucleoli, positive for CD15 and CD30, define classical Hodgkin lymphoma. They sit in a background of reactive inflammatory cells.
Option by option
A. Multiple myeloma
Myeloma shows clonal plasma cells with CD138.
B. Hairy cell leukaemia
Hairy cell leukaemia shows cells with cytoplasmic projections and TRAP positivity.
C. Classical Hodgkin lymphoma (correct)
Correct.
D. Burkitt lymphoma
Burkitt lymphoma shows a 'starry sky' pattern with CD20-positive cells.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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