Case summaries taken from the monthly Orthopedic Oncology - Radiology - Pathology Multidisciplinary Conference at the University of Massachusetts Medical School
Case presentation:
This 27 year old man presented with a 3 month history of swelling of the dorsum of the foot. He was healthy, working full time, and afebrile. Exam of the right foot showed a mildly tender, diffuse swelling of the area near the talus and navicular, without fluctuance or erythema. Laboratory exam was significant for a normal white cell count and an ESR of 25.
AP radiograph lateral radiograph oblique radiograph
At biopsy, the lesion bled profusely.
What is your diagnosis? Note that this lesion is very unusual in that it involves two adjacent bones. Only a very few lesions exibit this pattern of behavior. Click here for answer.
Click on an image to enlarge
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