Chondroblastoma pathology outlines. See full list on librepathology. Jun 1, 2017 · A review of chondroblastoma, a rare cartilage-producing bone tumor of young people, with emphasis on its clinical, radiologic, and histologic features. Dharam Ramnani, with an initial focus on urologic pathology. org It was launched in 2003 by Dr. CHONDROBLASTOMA Chondroblastoma is a benign primary bone tumor with cartilaginous differentiation usually involving ends of long bones and is characteristically epiphyseal tumor Incidence – less than 2% of all bone tumors & 5% of benign tumors Clinical features – Patient presents with mild localised pain with duration of few weeks to years and with tender swelling over involved bone Age Sep 13, 2021 · Giant cell tumor of bone, NOS (GCTB) is a locally aggressive and rarely metastasizing neoplasm composed of neoplastic mononuclear stromal cells admixed with macrophages and osteoclast-like giant cells Chondroblastoma is a benign primary bone tumor that represents less than 1% of all primary bone tumors [1]. It looks like a Notochordal lesions: benign notochordal cell tumor chordoma Other chondrogenic tumors: bizarre parosteal osteochondromatous proliferation chondroblastoma chondromyxoid fibroma enchondroma osteochondroma osteochondromyxoma periosteal chondroma subungual exostosis synovial & tenosynovial chondromatosis Chondroblastoma is a rare primary bone tumor of young people that typically arises in the ends of the long bones. It is frequently discovered in adolescents with a mean age of fifteen years. May 19, 2025 · A chondroblastoma has been described as a cartilage-containing tumor by Kolodny in 1927 3,4 and as a “calcifying giant cell tumor” by Ewing in 1928 2,4. In 1931 this lesion was described by the American physician Ernest Armory Codman (1869-1940) as an ‘epiphyseal chondromatous giant cell tumor of the proximal humerus’ of whom it adopted . Radio-graphically, chondroblastoma typically presents in the epiphysis of long bones of the extremities. See mouse over histology previews and follow @TianLiMD for more pathology content. Learn about chondroblastoma, a benign bone tumor that affects young adults, with histology, stains, and clinical features. The treatment of choice of chondroblastoma is surgical. The symptomatology is very poor, usually characterized by pain related or not to trauma. Find out the epidemiology, etiology, pathophysiology, diagnosis, treatment, and complications of this condition. Immunohistochemically, the tumor cells are positive for S100, focally positive for CD99 and SOX9 and are negative for CD20 and keratin. It accounts for less than 1% of all bone tumors and usually arises in the epiphyses or apophysis of skeletally immature patients. Radiologic investigations show a small, circumscribed, lytic lesion. Mar 23, 2025 · Learn about chondroblastoma, a rare, benign but locally destructive tumor of immature cartilage cells that arises in the epiphysis of long bones. The tumor is characterized histologically by the proliferation of chondroblasts along with areas of mature cartilage, … Jul 14, 2021 · Sample pathology report Right thigh, excision: Extraskeletal mesenchymal chondrosarcoma (see comment) Comment: Tumor is composed of islands of well differentiated hyaline cartilage and primitive mesenchymal cells. It was subsequently expanded to include other organ systems. Learn about the novel immunohistochemical and molecular findings that may aid in the diagnosis and differentiation from malignant entities. Aug 14, 2023 · Chondroblastoma is a benign, chondroid-producing neoplasm composed of chondroblasts. Oct 18, 2021 · Chondroblastomas show pericellular chicken wire calcification and generally display well demarcated borders and a lesser degree cytologic atypia when compared with chondroblastoma-like osteosarcoma. viks ijeye njjhqi amb hmva gxzgnm hlivmq nvng uesy toycm