Melanotic schwannoma. An unusual case of an ossified soft tissue mass.

Melanotic schwannoma. An unusual case of an ossified soft tissue mass.

Junko J T; Agamanolis D; Weiner S D

Clinical orthopaedics and related research

1999

1999-12

A case of a melanotic schwannoma presenting as a soft tissue mass of the abductors of the hip is reported. The radiographic findings suggested myositis ossificans, but several subtle findings raised the concern for something else. A bilobed appearance, lack of classic zoning pattern of the ossification, and atypical pain pattern should alert the physician. Biopsy should be considered if the radiographic and clinical presentations are not classic for myositis ossificans.

Adult; Biopsy; Chronic Disease; Diagnosis; Differential; Female; Heterotopic/*diagnosis/pathology/surgery; Hip; Humans; Immunohistochemistry; Muscle Neoplasms/*diagnosis/pathology/surgery; Myositis Ossificans/diagnosis; Neurilemmoma/*diagnosis/pathology/surgery; Ossification; Soft Tissue Neoplasms/*diagnosis/pathology/surgery

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