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KMID : 0613319990050030190
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Journal of the Korean Bone and Joint Tumor Soceity
1999 Volume.5 No. 3 p.190 ~ p.193
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Deep Benign Fibrous Histiocytoma of the Knee -A Case Report-
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Kim Hyung-Seok
Hong Ki-Do
Ha Sung-Sik
Lee Young-Wha
Lee Hyo-Jin
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Abstract
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Benign fibrous histiocytoma is characteristically composed of fibroblastic and histiocytic cells. Most commonly, this tumor occurs in the dermis and superficial subcutis, but it is uncommon in the knee. We experienced a case of deep benign fibrohistiocytoma in a 38-year-old woman who complained of palpable tender mass on the medical aspect of the right knee. MR imaging findings included a well-delineated oval mass with low signal intensity on T1-weighted and high-signal intensity of T2-weighted images, as well as a marked peripheral contrast enhancement. Histopathologically, the lesion contained a mixture of fibroblastic and histiocytic cells that were often arranged in a cartwheel or storiform pattern and accompanied by varying numbers of inflammatory cells, foam cells, and siderophages. After surgical removal of the lesion, no recurrence was observed.
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KEYWORD
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Benign fibrous histiocytoma, Knee
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