Biomedical subjects
Publications and source records attributed to D Bacadi.
Cranial localization of osteosarcoma is rare, representing only 0,7-3% of cranial primary tumours. The authors present the case of a 33 year old man with occipital osteosarcoma diagnosed by CT scan, MRI and angiography. The radiological features of this pathology are discussed.
Myositis ossificans circumscripta is a benign lesion characterized by focal heterotopic soft tissue ossification, occurring in young people generally after localized trauma. Clinical and radiological appearances may mimic a sarcomatous neoplastic process. We report a case of myositis ossificans occurring after trauma, so as to illustrate the different imaging features of this benign pathology on conventional radiographs and computed tomography.
Chondrosarcoma is a rare cartilaginous tumor, representing less than 0,5% of intracranial tumors. This tumor occurs primarily in elderly patients and involves long and pelvic bones. The authors report a case of intracerebral chondrosarcoma in a 12 year old child, probably fronto-ethmoidal in origin. CT and MR imaging showed a lytic partly calcified soft tissue mass.
Osteosarcoma is a malignant neoplasm of bone usually affecting long bones. Skull involvement is rare. Primary cranial involvement accounts for less than 3% of all skull neoplasms. We report the imaging findings of a case of osteosarcoma of the frontal bone.
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