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Lymphoma is a group of blood and lymph tumors that develop from lymphocytes ... It often presents as a mediastinal mass because of involvement of the thymus.
The retroperitoneal space (retroperitoneum) is the anatomical space ... The most common type is a sarcoma followed by lymphoma, extragonadal germ cell tumor, ...
Retroperitoneal lymph node dissection (RPLND) is a surgical procedure to remove abdominal lymph nodes. It is used to treat testicular cancer , as well as to help establish the exact stage and type of the cancer.
CT is the best diagnostic modality: [25] a confluent mass surrounding the aorta [6] and common iliac arteries can be seen. On MRI, it has low T1 signal intensity and variable T2 signal. Malignant retroperitoneal fibrosis usually gives uneven MRI signals, is bulky, extends above the origins of renal arteries, or displaces the aorta anteriorly.
Primary: Hodgkin lymphoma [16] and non-Hodgkin lymphoma give lymphadenopathy in all or a few lymph nodes. [9] Secondary: metastasis, Virchow's node, neuroblastoma, [17] and chronic lymphocytic leukemia. [18] Autoimmune: systemic lupus erythematosus [19] and rheumatoid arthritis may have a generalized lymphadenopathy. [9] Immunocompromised: AIDS.
Desmoplastic small-round-cell tumor (DSRCT) is an aggressive and rare cancer that primarily occurs as masses in the abdomen. [4] Other areas affected may include the lymph nodes, the lining of the abdomen, diaphragm, spleen, liver, chest wall, skull, spinal cord, large intestine, small intestine, bladder, brain, lungs, testicles, ovaries, and the pelvis.
Lymph node metastasis is the spread of cancer cells into a lymph node.. Lymph node metastasis is different from malignant lymphoma.Lymphoma is a cancer of lymph node, rather than cancer in the lymph node, because lymphoma originates from the lymph node itself, instead of originating elsewhere (e.g., the breast or colon) and spreading to the lymph nodes.
Diffuse large B-cell lymphoma is the most common of the large-cell lymphomas. MeSH now classifies the phrase "large-cell lymphoma" under "Diffuse large B cell lymphoma". [2] Many other B-cell lymphomas feature large cells: [citation needed] Angiocentric lymphoma; Burkitt's lymphoma; Follicular large-cell lymphoma; Immunoblastic lymphoma