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[Intramuscular myxoma. Apropos of two cases]
1Service de Rhumatologie, Institut National d'Orthopédie M.T. Kassab, Tunis, Tunisle.
Summary
This study presents two rare cases of intramuscular myxoma, a benign soft tissue tumor, found in the buttock and lumbar region. Both patients experienced successful surgical outcomes with no recurrence, highlighting effective treatment for this uncommon condition.
Area of Science:
- Orthopedics
- Pathology
- Radiology
Background:
- Intramuscular myxomas are rare, benign soft tissue tumors typically found in the thigh.
- This report details two unusual cases of intramuscular myxoma located in the buttock and lumbar region.
Observation:
- A 58-year-old woman presented with a four-month history of a buttock mass, diagnosed via computed tomography and histology.
- A 54-year-old woman experienced sciatica and neurological deficits due to a lumbar lesion with spinal involvement, diagnosed via computed tomography, needle biopsy, and surgical excision.
Findings:
- Both patients underwent successful surgical treatment for their intramuscular myxomas.
- Post-operative follow-up showed no recurrence at 14 months for the buttock myxoma and 3 years for the lumbar myxoma.
- The lumbar myxoma case demonstrated significant bone erosion and neurological compromise, which resolved post-surgery.
Implications:
- Magnetic resonance imaging (MRI) is crucial for diagnosing intramuscular myxoma, complementing histological examination.
- Surgical excision is an effective treatment for intramuscular myxoma, with a low recurrence rate and no metastasis.
- These cases expand the known anatomical locations for intramuscular myxoma, aiding future diagnostic and treatment strategies.