Lymphoblastic lymphoma/leukemia of T-cell origin: ultrastructural, cytochemical, and immunologic features of ten cases. 1981

J J Navas Palacios, and M D Valdes, and M A Pallares, and M D Gomez de Salazar, and A Garcia Marcilla

Ten cases of T-lymphoblastic lymphoma/leukemia were studied with light and electron microscopy. Cytochemical strains were performed on touch preparations, and mononuclear cell suspensions were tested for spontaneous rosette formation with sheep erythrocytes, C3 receptors, and surface immunoglobulins. The present investigation was performed to evaluate several ultrastructural parameters, mainly the nuclear shape, as diagnostic clues for this group of lymphomas. Characteristic convoluted nuclei were present in 7 to 47% of the lymphoblasts. This percentage correlated with the focal acid phosphatase reaction and E-rosette formation. Acid phosphatase was the best cytochemical marker (70-100% of the lymphoblasts showed focal reaction product). By ultrastructural cytochemistry, the reaction product was demonstrated in the Golgi cisternae and primary lysosomes. The cell suspensions obtained from different sources contained 14 to 95% E-rosette-forming cells. No specific morphologic, cytochemical, or immunologic differences were found between patients with or without mediastinal involvement.

UI MeSH Term Description Entries
D007945 Leukemia, Lymphoid Leukemia associated with HYPERPLASIA of the lymphoid tissues and increased numbers of circulating malignant LYMPHOCYTES and lymphoblasts. Leukemia, Lymphocytic,Lymphocytic Leukemia,Lymphoid Leukemia,Leukemias, Lymphocytic,Leukemias, Lymphoid,Lymphocytic Leukemias,Lymphoid Leukemias
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
D008479 Mediastinal Neoplasms Tumors or cancer of the MEDIASTINUM. Cancer of Mediastinum,Mediastinal Cancer,Cancer of the Mediastinum,Mediastinum Cancer,Mediastinum Neoplasms,Neoplasms, Mediastinal,Cancer, Mediastinal,Cancer, Mediastinum,Cancers, Mediastinal,Cancers, Mediastinum,Mediastinal Cancers,Mediastinal Neoplasm,Mediastinum Cancers,Mediastinum Neoplasm,Neoplasm, Mediastinal,Neoplasm, Mediastinum,Neoplasms, Mediastinum
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011947 Receptors, Antigen, B-Cell IMMUNOGLOBULINS on the surface of B-LYMPHOCYTES. Their MESSENGER RNA contains an EXON with a membrane spanning sequence, producing immunoglobulins in the form of type I transmembrane proteins as opposed to secreted immunoglobulins (ANTIBODIES) which do not contain the membrane spanning segment. Antigen Receptors, B-Cell,B-Cell Antigen Receptor,B-Cell Antigen Receptors,Surface Immunoglobulin,Immunoglobulins, Membrane-Bound,Immunoglobulins, Surface,Membrane Bound Immunoglobulin,Membrane-Bound Immunoglobulins,Receptors, Antigen, B Cell,Surface Immunoglobulins,Antigen Receptor, B-Cell,Antigen Receptors, B Cell,B Cell Antigen Receptor,B Cell Antigen Receptors,Bound Immunoglobulin, Membrane,Immunoglobulin, Membrane Bound,Immunoglobulin, Surface,Immunoglobulins, Membrane Bound,Membrane Bound Immunoglobulins,Receptor, B-Cell Antigen,Receptors, B-Cell Antigen
D011951 Receptors, Complement Molecules on the surface of some B-lymphocytes and macrophages, that recognize and combine with the C3b, C3d, C1q, and C4b components of complement. Complement Receptors,Complement Receptor,Complement Receptor Type 1,Receptor, Complement
D002467 Cell Nucleus Within a eukaryotic cell, a membrane-limited body which contains chromosomes and one or more nucleoli (CELL NUCLEOLUS). The nuclear membrane consists of a double unit-type membrane which is perforated by a number of pores; the outermost membrane is continuous with the ENDOPLASMIC RETICULUM. A cell may contain more than one nucleus. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) Cell Nuclei,Nuclei, Cell,Nucleus, Cell
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D005260 Female Females

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