Table 3.

Flow cytometry, bone marrow aspirate, and trephine biopsy in HCL

	Group	Number
1	FC− BMB− BMA−	4/6
2	FC+ BMB+ BMA−	1/6
3	FC− BMB+ BMA−	1/6
	Total	6/6

BMA, bone marrow aspirate; BMB, bone marrow trephine biopsy; FC, flow cytometry; HCL, hairy cell leukaemia; +, positive for involvement by HCL; −, negative for involvement by HCL.