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High magnification micrograph of giant cells in a giant-cell tumor of bone, H&E stain. The diagnosis of giant-cell tumors is based on biopsy findings. The key histomorphologic feature is, as the name of the entity suggests, (multinucleated) giant cells with up to a hundred nuclei that have prominent nucleoli.
Cancer Treatment Centers of America (CTCA) was founded in 1988 by Richard J. Stephenson following the death of his mother, Mary Brown Stephenson, who died from lung cancer. [3] Stephenson purchased the American International Hospital in Zion, Illinois , in 1988 and expanded the hospital to include a radiation center, the Mary Brown Stephenson ...
Cancer Research Center of Hawaiʻi; Cancer Research Institute; Cancer Support Community; Cancer Treatment Centers of America; Cancer Trials Support Unit; The CERN Foundation; Champions Oncology; Children's Oncology Group; City of Hope National Medical Center; Colorectal Cancer Alliance; Community Oncology Alliance; Cooperative Human Tissue Network
Cancer centers must renew their status with the NIH every 5 years. The NIH funds cancer centers through a P30 Cancer Center Support Grant (CCSG) mechanism. [2] To be eligible to apply, a cancer center must receive at least $10 million in cancer research funding annually. Preparation for these grant applications can be extensive.
Langhans giant cells are named for the pathologist who discovered them, Theodor Langhans. Like many of the other kinds of giant cell formations, epithelioid macrophages fuse together and form a multinucleated giant cell. The nuclei form a circle or semicircle similar to the shape of a horseshoe away from the center of the cell.
A bone tumor is an abnormal growth of tissue in bone, traditionally classified as noncancerous (benign) or cancerous (malignant). [1] [4] Cancerous bone tumors usually originate from a cancer in another part of the body such as from lung, breast, thyroid, kidney and prostate. [1] There may be a lump, pain, or neurological signs from pressure. [1]
A sarcoma is a malignant tumor, a type of cancer that arises from cells of mesenchymal (connective tissue) origin. [1] [2] Connective tissue is a broad term that includes bone, cartilage, muscle, fat, vascular, or other structural tissues, and sarcomas can arise in any of these types of tissues.
An osteosarcoma (OS) or osteogenic sarcoma (OGS) is a cancerous tumor in a bone.Specifically, it is an aggressive malignant neoplasm that arises from primitive transformed cells of mesenchymal origin (and thus a sarcoma) and that exhibits osteoblastic differentiation and produces malignant osteoid.