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Hepatosplenic T-cell lymphoma is a rare form of lymphoma that is generally incurable, except in the case of an allogeneic stem cell transplant. [ 2 ] [ 3 ] It is a systemic neoplasm comprising medium-sized cytotoxic T-cells that show significant sinusoidal infiltration in the liver , spleen , and bone marrow .
Although the cause of T-cell lymphoma is not definitive, it has been associated with various risk factors and viruses such as Epstein–Barr virus (EBV) and human T-cell leukemia virus-1 (HTLV1). [2] The prognosis and treatment of T-cell lymphoma can vary drastically based on the specific type of lymphoma and its growth patterns.
Certain lymphomas (extranodal NK/T-cell lymphoma, nasal type and type II enteropathy-associated T-cell lymphoma) can be mimicked by two benign diseases that involve the excessive proliferation of nonmalignant NK cells in the GI tract, natural killer cell enteropathy, a disease wherein NK cell infiltrative lesions occur in the intestine, colon ...
Enteropathy-associated T-cell lymphoma (EATL), previously termed enteropathy-associated T-cell lymphoma, type I and at one time termed enteropathy-type T-cell lymphoma (ETTL), is a complication of coeliac disease in which a malignant T-cell lymphoma develops in areas of the small intestine affected by the disease's intense inflammation. [1]
Hepatosplenic T-cell lymphoma: Hepatosplenic T-cell lymphoma is a systemic neoplasm comprising medium-sized cytotoxic T-cells that show a significant sinusoidal infiltration in the liver, spleen, and bone marrow. [70] It is a rare and generally incurable form of lymphoma. [71] B-cell lymphoma: reticuloendotheliosis: reticulosis: Microglioma
The myeloid cell line normally produces granulocytes, erythrocytes, thrombocytes, macrophages and mast cells; the lymphoid cell line produces B, T, NK and plasma cells. Lymphomas, lymphocytic leukemias, and myeloma are from the lymphoid line, while acute and chronic myelogenous leukemia, myelodysplastic syndromes and myeloproliferative diseases ...