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Neuromuscul Disord. 2001 Jul;11(5):452-7.

Macrophagic myofasciitis associated with inclusion body myositis: a report of three cases.

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Médecine Interne I, CHU Pitié-Salpétrière, 47 Boulevard de l'Hôpital, 75013, Paris, France.


We describe three patients with macrophagic myofasciitis and inclusion body myositis. All patients fulfilled diagnostic criteria for inclusion body myositis and myopathologic criteria for macrophagic myofasciitis. In the three cases macrophagic myofasciitis complicated the evolution of a known and painless inclusion body myositis and was diagnosed in a repeated deltoid biopsy because of the appearance of myalgia during the course of inclusion body myositis in all cases. The unexpected appearance of myalgia during the course of painless inclusion body myositis must arouse the suspicion of an association of another inflammatory muscle disease, macrophagic myofasciitis.

[Indexed for MEDLINE]

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