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Related to Chondroma: chondrosarcoma, chordoma


A benign tumor of bone, cartilage, or other tissue which simulates the structure of cartilage in its growth.



a benign tumor of mature cartilage tissue. Chondromas occur in cartilages of the skeleton and, less commonly, in extraskeletal cartilages (larynx and trachea) or in organs that do not normally contain cartilage tissue (for example, the lungs and kidneys). Parts of the skeleton most often affected are the metatarsus, metacarpus, the phalanges of the fingers, the ribs, and the sternum. The affected bone becomes deformed. Diagnosis is made mainly on the basis of X rays. Treatment is surgical; recurrences are rare and are usually due to incomplete removal of the tumor. Chondromas may become malignant, converting into chondrosarcomas.

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There are a number of similarities between the two previous cases of bladder chondroma (1,2) and the one described here.
This case emphasizes the clinical features, imaging findings, differential diagnosis, pathological features and management of chondroma, a seldomen-countered pathology.
After excision, benign extraskeletal chondroma can recur in 15% to 20% of the cases.
Intracapsular chondroma appears as a heterogeneous mass on MRI.
Juxtacortical chondroma of the leftproximal medial metaphyseal tibia
The histogenesis of ABC remains controversial, since in as many as half the cases it is associated with other bone lesions, including giant cell tumors, chondroma, and osteosarcoma.
1) The histologic distinction between a low-grade chondrosarcoma and a chondroma is very difficult to make.
The differential diagnosis includes ossifying hematoma, branchial cyst, adenopathy, preauricular cyst, giant-cell tumor, chondroma, fibroxanthoma, foreignbody reaction, and osteoma cutis.
Benign lesions include papilloma, mucin impaction tumor, meningioma, schwannoma, chondroma, hemangioma, chordoma,juvenile nasal angiofibroma, and fibrous dysplasia.
Since the first case report by Morgan in 1842, approximately 150 cases of head and neck chondroma have been recorded in the English-language literature.
The differential diagnosis of a laryngeal schwannoma includes laryngeal cyst, laryngocele, adenoma, chondroma, lipoma, and neurofibroma.
multiple endocrine neoplasia type 2, neurofibromatosis type 1, von Hippel Lindau syndrome, or succinate dehydrogenase mutations); a family history of PCC; an incidentally discovered adrenal mass; pressor response to anesthesia, surgery, or angiography; onset of hypertension at a young age (<20 years); idiopathic dilated cardiomyopathy; and a history of gastrointestinal stromal tumors or pulmonary chondromas.