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Observation of T cell surface antigens in the clinical course of adult T-cell leukemia: case report of a spontaneous remission. 1995

M Suzuki, and H Uno, and A Kiyomizu, and Y Kubuki, and K Yamashita, and K Maeda, and H Matsuoka, and K Tsuda, and H Tsubouchi
Second Department of Internal Medicine, Miyazaki Medical School, Japan.

A patient with acute adult T-cell leukemia (ATL) in whom spontaneous remission was observed without any specific treatment having been given is described. The abnormal cell phenotype was CD4+, CD45RO+ and CD8-. As the number of abnormal cells decreased, CD4+ cell count decreased and CD8+ cells and CD45RA+ cells increased to normal levels (45 and 77%, respectively). Further, the number of cells with CD45RO antigen of intermediate fluorescence intensity increased. Five months after admission, we assessed the patient as being in a state of complete clinical remission; no abnormal cells were detected in peripheral blood, lymph node enlargement had disappeared and the serum chemistry was normal. When the abnormal cells in peripheral blood had disappeared, Southern blot analysis for HTLV-I proviral DNA still revealed a weak monoclonal band with EcoRI digestion, and HTLV-I proviral DNA was detected by polymerase chain reaction analysis. Thus, it appeared that very few abnormal cells persisted although the laboratory findings for ATL were normal. Our case could contribute to the understanding of the mechanism that underlies spontaneous remission in ATL.

UI MeSH Term Description Entries
D008198 Lymph Nodes They are oval or bean shaped bodies (1 - 30 mm in diameter) located along the lymphatic system. Lymph Node,Node, Lymph,Nodes, Lymph
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009365 Neoplasm Regression, Spontaneous Disappearance of a neoplasm or neoplastic state without the intervention of therapy. Neoplasm Remission, Spontaneous,Remission, Spontaneous Neoplasm,Regression, Spontaneous Neoplasm,Spontaneous Neoplasm Regression,Spontaneous Neoplasm Remission
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000945 Antigens, Differentiation, T-Lymphocyte Antigens expressed on the cell membrane of T-lymphocytes during differentiation, activation, and normal and neoplastic transformation. Their phenotypic characterization is important in differential diagnosis and studies of thymic ontogeny and T-cell function. Antigens, Differentiation, T-Cell,Differentiation Antigens, T-Cell,L3T4 Antigens,Leu Antigens, T-Lymphocyte,T-Cell Differentiation Antigens,T-Lymphocyte Differentiation Antigens,T6 Antigens,Antigens, Differentiation, T Lymphocyte,Differentiation Antigens, T Lymphocyte,Antigens, L3T4,Antigens, T-Cell Differentiation,Antigens, T-Lymphocyte Differentiation,Antigens, T-Lymphocyte Leu,Antigens, T6,Differentiation Antigens, T Cell,Differentiation Antigens, T-Lymphocyte,Leu Antigens, T Lymphocyte,T Cell Differentiation Antigens,T Lymphocyte Differentiation Antigens,T-Lymphocyte Leu Antigens
D015458 Leukemia, T-Cell A malignant disease of the T-LYMPHOCYTES in the bone marrow, thymus, and/or blood. Leukemia, Lymphocytic, T-Cell,Lymphocytic Leukemia, T-Cell,T-Cell Leukemia,T-Lymphocytic Leukemia,Leukemia, Lymphocytic, T Cell,T Lymphocytic Leukemia,Leukemia, T Cell,Leukemia, T Lymphocytic,Leukemia, T-Cell Lymphocytic,Leukemia, T-Lymphocytic,Leukemias, T Lymphocytic,Leukemias, T-Cell,Leukemias, T-Cell Lymphocytic,Leukemias, T-Lymphocytic,Lymphocytic Leukemia, T,Lymphocytic Leukemia, T Cell,Lymphocytic Leukemias, T,Lymphocytic Leukemias, T-Cell,T Cell Leukemia,T Lymphocytic Leukemias,T-Cell Leukemias,T-Cell Lymphocytic Leukemia,T-Cell Lymphocytic Leukemias,T-Lymphocytic Leukemias
D016516 CD4-CD8 Ratio Ratio of T-LYMPHOCYTES that express the CD4 ANTIGEN to those that express the CD8 ANTIGEN. This value is commonly assessed in the diagnosis and staging of diseases affecting the IMMUNE SYSTEM including HIV INFECTIONS. T4-T8 Ratio,CD4 CD8 Ratio,CD4-CD8 Ratios,T4 T8 Ratio,T4-T8 Ratios

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