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Acta Orthop Scand. 1989 Aug;60(4):457-60. doi: 10.3109/17453678909149319.

Pseudomalignant myositis ossificans. Clinical, radiologic, and cytologic diagnosis in 5 cases.

Acta orthopaedica Scandinavica

B Rööser, K Herrlin, A Rydholm, M Akerman


  1. Lund University Department of Orthopedics, Sweden.

PMID: 2816324 DOI: 10.3109/17453678909149319


In five cases of pseudomalignant myositis ossificans a benign diagnosis was suggested by fine-needle aspiration cytology and confirmed by radiographs and the clinical course. Hence, the need of biopsy to exclude malignancy was obviated. The symptoms rapidly resolved in all the patients. Thus, surgery may not be indicated in pseudomalignant myositis ossificans.

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