Lymphoma, lymphoblastic
A rapidly moving, aggressive form of lymphoma that is most often seen in children or young adults. Since it is a tumor consisting of early lymphocyte precursors (lymphoblasts) it is believed to represent the same disease entity as acute lymphoblastic leukemia (ALL). Lymphoblastc lymphoma is a term that has been used in the past to refer to the presence of the abnormal lymphoblasts primarily in the lymph nodes. The World Health Organization (WHO) classification has unified lymphoblastic lymphoma and lymphoblastic leukemia into one entity known as precursor B- or T-cell lymphoblastic leukemia/lymphoma. Treatment may include chemotherapy, radiation, surgery, medications, and bone marrow transplant.
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- Lymphoma, non-Hodgkin
Malignant tumors that arise in the lymphatic system. There are several subtypes of cancer classified as non-Hodgkin’s lymphoma. All originate in and spread via the lymphatic system. Symptoms depend on the location of the tumor, but can include swollen, but not painful, lymph nodes; gastric distress; skin problems; night sweats; unexplained weight loss; itching; and […]
- Lymphoproliferative
Referring to the proliferation of the bone marrow cells that give rise to lymphoid cells (such as lymphocytes and plasma cells) and reticuloendothelial cells (such as macrophages, which engulf foreign particles). The term lymphoproliferative is in contrast to myeloproliferative which refers to proliferation of bone marrow elements from which come red cells, granulocytes, and platelets. […]
- Lymphoproliferative disorders
Malignant diseases of the lymphoid cells and of cells from the reticuloendothelial system that usually occur in people with compromised immune systems, such as patients with AIDS and recent transplant patients. Lymphoproliferative disorders can be associated with Epstein-Barr virus infection. See also Epstein-Barr virus.
- Lymphoreticulosis, benign
Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of short duration, due to cat scratches, especially from kittens. There is usually a little bump (a papule) which may be pus-filled (a pustule) at the site of the scratch. The infection is self-limited and usually goes away by itself […]
- Lynch syndrome
Hereditary nonpolyposis colon cancer.