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	Haematologist: Advanced

	This blood film is from a middle-aged woman with splenomegaly and a raised white cell count. Results of immunophenotyping on the peripheral blood were: k 5% (strong), l (3% strong), CD19 10%, CD23 1%, CD5 84%, FMC7 negative, CD2 79%, CD7 91%, CD25 6%. The most likely diagnosis is A Chronic lymphocytic leukaemia B Large granular lymphocyte leukaemia C Small cell variant of T-prolymphocytic leukaemia D Peripheral T cell lymphoma, unspecified