A type of chronic leukemia in which the abnormal white blood cells appear to be covered with tiny hairs when viewed under a microscope.
An uncommon type of chronic lymphocytic leukemia. The leukemic cells are B lymphocytes that have characteristic "hair- like" projections when examined under the microscope. The spleen is frequently enlarged and the blood cell numbers are usually markedly decreased. The disease is very responsive to treatment with cladribine or pentostatin.
An uncommon new plasm of blood-forming tissues characterized by massively enlarged spleen, the presence in blood of specific malignant lymphoid cells with many fine projections on their surfaces, and a marked reduction in the number of red blood cells, granulocytes and platelets.