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The Korean Journal of Pathology 1986;20(2): 235-239.
Aggressive Osteoblastoma.
Yong Koo Park, Hyung Bae Moon, Dong Kyuen Lee, Dae Moo Shim, Jung Dal Lee
1Department of Pathology, Capital Armed Forces General Hospital, Seoul, Korea.
2Department of Orthopedic Surgery, Capital Armed Forces General Hospital, Seoul, Korea.
3Han Yang University Hospital, Seoul, Korea.
Osteoblastomas were originally thought to be lesions that could be controlled with minimal local therapy, including curettage. However, at least some of the osteoblastomas with an unexpectedly active clinical course had histologic features which differed from ordinary osteoblastomas, and the term aggressive osteoblastoma was given to these lesions. In the aggressive osteoblastoma the osteoblasts are cytologically atypical. In addition, the well organized trabecular patterns of typical osteoblastoma is partly lacking, especially in the areas that are rich in atypical osteoblasts. The case report deals a case of aggressive osteoblastoma of the left iliac wing in a 44 year old male. The interesting radiologic manifestationa(plain x-ray CAT and radionuclide bone scan) and characteristic histologic findings are presented along with review of pertinent literatures.
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