Neoplasms and tumor-like lesions Flashcards
a. Benign (1) Joints: loose bodies, fatty and vascular lesions, synovial osteochondromatosis, pigmented villonodular synovitis, ganglions (2) Tendon sheaths: fibroma, giant cell tumor, nodular tenosynovitis (3) Bone: osteoid osteoma, others b. Malignant (1) Primary: synovial sarcoma, others (2) Secondary: leukemia, myeloma, metastatic malignant tumors (3) Malignancy-associated rheumatic syndromes: carcinomatous polyarthritis, palmoplantar fasciitis, Sweet’s syndrome
how malignant is bone cancer?
Deaths due to cancer within five years of diagnosis occur in over in over 80% of pancreatic cancer, liver cancer, lung cancer, and esophageal cancer. Between 40 and 80% in stomach cancer, brain cancer, ovarian cancer, and leukemia. Between 20 and 40% in laryngeal cancer, oral cancer, colon cancer, bone cancer, rectal cancer, cervical cancer, and kidney cancer. Bladder cancer, uterine cancer, and breast cancer are between 10 and 20%, skin cancer, thyroid cancer, and prostate cancer are less than 10%.
What is a malt lymphoma?
A Malt lymphoma is one of three types of post-germinal center marginal zone B cell lymphoma of mucosal associated lymphoid tissue. All have the same B cell markers-CD19, CD20, and CD22 and negative for CD5 (expressed on 75% of T cells), CD 10 (zinc dependent metalloprote.
