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학술저널
저자정보
Tahmasbi-Arashlow, Mehrnaz (Department of Diagnostic Sciences, Texas A&M University College of Dentistry) Barnts, Kelcie Louise (Department of Diagnostic Sciences, Texas A&M University College of Dentistry) Nair, Madhu K. (Department of Diagnostic Sciences, Texas A&M University College of Dentistry) Cheng, Yi-Shing Lisa (Department of Diagnostic Sciences, Texas A&M University College of Dentistry) Reddy, Likith V. (Department of Oral and Maxillofacial Surgery, Texas A&M University College of Dentistry)
저널정보
대한영상치의학회 Imaging science in dentistry Imaging science in dentistry 제49권 제3호
발행연도
2019.1
수록면
235 - 240 (6page)

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Osteosarcoma is the most common primary bone tumor after plasma cell neoplasms. Osteosarcoma has diverse histological features and is characterized by the presence of malignant spindle cells and pluripotent neoplastic mesenchymal cells that produce immature bone, cartilage, and fibrous tissue. Osteosarcoma most frequently develops in the extremities of long bones, but can occur in the jaw in rare cases. The clinical and biological behavior of osteosarcoma of the jaw slightly differs from that of long-bone osteosarcoma. The incidence of jaw osteosarcoma is greater in the third to fourth decades of life, whereas long-bone osteosarcoma mostly occurs in the second decade of life. Osteosarcoma of the jaw has a lower tendency to metastasize and a better prognosis than long-bone osteosarcoma. Radiographically, osteosarcoma can present as a poorly-defined lytic, sclerotic, or mixed-density lesion with periosteal bone reaction response. Multi-detector computed tomography is useful for identifying the extent of bone destruction, as well as soft tissue involvement of the lesion. The current case report presents a fibroblastic osteosarcoma involving the left hemimandible with very unusual radiographic features.

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