Neoplastic proliferations of white cells Be defined briefly as follows Myeloid neoplasms髓样组织肿瘤 ymphoid neoplasms淋巴样组织肿瘤 3. Histiocytosis an-made classification The distinction in some cases may be blurred.Neoplastic proliferations of white cells Be defined briefly as follows: 1. Myeloid neoplasms 髓样组织肿瘤 2. Lymphoid neoplasms 淋巴样组织肿瘤 3. Histiocytosis Man-made classification The distinction in some cases may be blurred