73 participants received microscopical slides of this case of AML M0.	The case is characterized by 30% "cytic" cells which proved to be mature T-lymphocytes by immunology.	The blastic nature of the remaining mononuclear cells was recognized by 55 participants.
In rather thick areas the blastic nature was difficult to see.	I would count three blasts and one lymphocyte	Clearly a blast not compatible with CLL.
The cells look lymphatic however immunology clarifies the myeloid nature.	More blasts and one "I dont know cell".	A giant platelet and a blast.
The CD3 positive cells are mature T-lymphocytes whereas the leukemic cells are those showing weak CD4 expression.		The cells are positive for CD34 and CD13
CD13 and HLA-DR

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