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KMID : 1103720110640050497
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Journal of the Korean Society of Radiology
2011 Volume.64 No. 5 p.497 ~ p.501
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Osteoblastoma-like Osteosarcoma of the Proximal Tibia: A Case Report
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Moon Soon-Young
Park Hee-Jin
Kim Mi-Seong
Park Noh-Hyuck
Park Chan-Sup
Yi Sang-Yeop
Kim Hyoung-Soo
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Abstract
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Osteoblastoma-like osteosarcoma is a rare, low-grade variant of osteosarcoma that may resemble osteoblastoma clinically, radiographically and histologically. We report a case of osteoblastoma-like osteosarcoma in the right proximal tibia in a 17-year-old woman. Plain radiography revealed an irregular osteolytic lesion in the metaepiphysis of the right proximal tibia and transverse fracture line of the metaphysic through an osteolytic lesion. MRI showed well-defined mass confined to the medullary space with cortical disruption and pathologic fracture. The MR signals were low on T1-weighted image and intermediate on T2-weighted image.
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KEYWORD
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Osteoblastoma, Ostesarcoma, Tibia, Magnetic Resonance Imaging, Bone Neoplasm
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