Juxtacortical chondromyxoid fibroma arising in an apophysis |
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Authors: | S H Park K Y Kong H W Chung C J Kim S H Lee H S Kang |
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Institution: | (1) Department of Radiology, Seoul National University College of Medicine and Institute of Radiation Medicine, SNUMRC, 28 Yongon-Dong, Chongno-Gu, Seoul 110-744, Korea, KR;(2) Department of Pathology, Seoul National University College of Medicine, Seoul, Korea, KR;(3) Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul, Korea, KR |
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Abstract: | We present a rare case of juxtacortical chondromyxoid fibroma arising in the lesser trochanter of the right femur which corresponds
to an apophysis. Radiography showed a well-defined expansive lesion with a sclerotic margin measuring 5×3.5 cm in diameter
in the lesser trochanter. On spin echo T1-weighted images, the lesion revealed low signal intensity similar to muscle. On
spin echo T2-weighted images, the lesion revealed high heterogeneous signal intensity, which after gadolinium injection showed
heterogeneous enhancement. The inner margin of the cortex was intact and adjacent bone marrow was of normal signal intensity.
The outer margin of the lesion was also clearly defined and extension into adjacent soft tissue beyond the exophytic cortical
outgrowth was not evident.
Received: 1 March 2000 Revision requested: 28 March 2000 Revision received: 1 May 2000 Accepted: 8 May 2000 |
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Keywords: | Bone neoplasm Chondromyxoid fibroma Femur Apophysis Radiography Magnetic resonance imaging |
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