Lab Studies:
No relevant lab studies were obtained.
Other Studies:
X-rays of the left ankle revealed no fracture, arthritis, or soft tissue calcifications. There was a subtle cortical irregularity of the medial fibula seen best on the mortise view <a href="CaseStudyImages/CS1PediatricProblemi-1167.jpg" title="Case Photo #1" data-lity><b>Case Photo #1</b></a> . Anterior cortical thickening of the fibula was seen on lateral view <a href="CaseStudyImages/CS2CS1PediatricProbl-1167.jpg" title="Case Photo #2" data-lity><b>Case Photo #2</b></a> .
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<br>MRI without contrast of the left ankle revealed erosion of the cortex of the medial distal fibular diaphysis with extension into an associated 3cm x 2 cm soft tissue mass <a href="CaseStudyImages/CS3CS2CS1PediatricPr-1167.jpg" title="Case Photo #3" data-lity><b>Case Photo #3</b></a> .
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<br>Biopsy of the mass in the distal fibula was positive for sarcoma. PET scan was positive for malignancy with no evidence of metastasis.
Consultations:
Orthopedic Oncology
<br>Oncology
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