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Calcaneal myxoid chondrosarcoma: a rare case
1Department of orthopedics, Shree Birendra Hospital, Chhauni, Kathmandu, Nepal.
JNMA; Journal of the Nepal Medical Association
|April 18, 2013
Summary
This case report highlights a rare skeletal myxoid chondrosarcoma misdiagnosed as benign. Aggressive treatment, including amputation, was necessary due to its unexpectedly malignant clinical course.
Area of Science:
- Orthopedic Oncology
- Skeletal Neoplasms
- Rare Tumors
Background:
- Skeletal myxoid chondrosarcoma is an exceptionally rare bone tumor.
- It exhibits distinct histological features and a typically indolent growth pattern.
Observation:
- A 21-year-old female presented with a two-year history of gradually increasing, seemingly benign swelling in her left foot.
- Initial investigations suggested a benign lesion, leading to attempted excision.
Findings:
- Intraoperative findings indicated an aggressive lesion, contrary to initial assessments.
- Histopathological examination confirmed the diagnosis of skeletal myxoid chondrosarcoma.
- Despite initial benign presentation, the tumor demonstrated aggressive behavior, necessitating below-knee amputation.
Implications:
- This case underscores the importance of comprehensive histopathological diagnosis, even with seemingly benign presentations.
- Skeletal myxoid chondrosarcoma can have a worse clinical course than typical chondrosarcomas.
- Misdiagnosis can lead to delayed appropriate treatment for rare, aggressive bone tumors.