9940/3 Hairy cell leukemia
SynonymsHairy cell leukaemia variant
|Tumours of haematopoietic and lymphoid tissues|
|ICD-O-3 topography code:||C42 and C77|
/span>airy cell leukaemia (HCL) is an indolent neoplasm of small mature B lymphoid cells with oval nuclei and abundant cytoplasm with "hairy" projections involving peripheral blood (PB) and diffusely infiltrating the bone marrow (BM) and splenic red pulp.