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Hairy cell leukemia. Diagnosis of bone marrow involvement in paraffin-embedded sections with monoclonal antibody DBA.44. 1992

H Hounieu, and S M Chittal, and T al Saati, and A de Mascarel, and E Sabattini, and S Pileri, and B Falini, and E Ralfkiaer, and A Le Tourneau, and J Selves
Anatomical Pathology Department of CHU-Purpan, Toulouse, France.

The new monoclonal antibody DBA.44 recognizes an unknown fixation-resistant B-cell differentiation antigen expressed by mantle zone lymphocytes, reactive immunoblasts, monocytoid B cells, and a small proportion of high- and low-grade lymphomas. Among node-based lymphomas, the strongest membrane staining was observed in centroblastic, immunoblastic, and monocytoid B-cell lymphomas. In studying bone marrow biopsy specimens from 166 patients with hairy cell leukemia, strong positive staining of surface membrane 'hairy' features of leukemic cells was observed in routinely fixed and decalcified bone marrow biopsy specimens of nearly all cases. The antibody distinguished hairy cell leukemia from the more common B-cell chronic lymphocytic leukemia and bone marrow infiltrates of typical lymph node-based lymphomas by immunomorphologic criteria. DBA.44 was valuable to (1) confirm the diagnosis of hairy cell leukemia, (2) estimate the bone marrow density of hairy cell leukemia before and after treatment, and (3) make the diagnosis of hairy cell leukemia in ambiguous cases, which are all properties that indicate its usefulness in the practice of diagnostic hematopathology.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D007943 Leukemia, Hairy Cell A neoplastic disease of the lymphoreticular cells which is considered to be a rare type of chronic leukemia; it is characterized by an insidious onset, splenomegaly, anemia, granulocytopenia, thrombocytopenia, little or no lymphadenopathy, and the presence of "hairy" or "flagellated" cells in the blood and bone marrow. Hairy Cell Leukemia,Leukemic Reticuloendotheliosis,Reticuloendotheliosis, Leukemic,Hairy Cell Leukemias,Leukemias, Hairy Cell,Leukemic Reticuloendothelioses,Reticuloendothelioses, Leukemic
D008223 Lymphoma A general term for various neoplastic diseases of the lymphoid tissue. Germinoblastoma,Lymphoma, Malignant,Reticulolymphosarcoma,Sarcoma, Germinoblastic,Germinoblastic Sarcoma,Germinoblastic Sarcomas,Germinoblastomas,Lymphomas,Lymphomas, Malignant,Malignant Lymphoma,Malignant Lymphomas,Reticulolymphosarcomas,Sarcomas, Germinoblastic
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009190 Myelodysplastic Syndromes Clonal hematopoietic stem cell disorders characterized by dysplasia in one or more hematopoietic cell lineages. They predominantly affect patients over 60, are considered preleukemic conditions, and have high probability of transformation into ACUTE MYELOID LEUKEMIA. Dysmyelopoietic Syndromes,Hematopoetic Myelodysplasia,Dysmyelopoietic Syndrome,Hematopoetic Myelodysplasias,Myelodysplasia, Hematopoetic,Myelodysplasias, Hematopoetic,Myelodysplastic Syndrome,Syndrome, Dysmyelopoietic,Syndrome, Myelodysplastic,Syndromes, Dysmyelopoietic,Syndromes, Myelodysplastic
D009196 Myeloproliferative Disorders Conditions which cause proliferation of hemopoietically active tissue or of tissue which has embryonic hemopoietic potential. They all involve dysregulation of multipotent MYELOID PROGENITOR CELLS, most often caused by a mutation in the JAK2 PROTEIN TYROSINE KINASE. Disorder, Myeloproliferative,Disorders, Myeloproliferative,Myeloproliferative Disorder
D001853 Bone Marrow The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells. Marrow,Red Marrow,Yellow Marrow,Marrow, Bone,Marrow, Red,Marrow, Yellow
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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