Abstract
Macrophagic myofasciitis (MMF) is an unusual inflammatory myositis condition associated with aluminum containing vaccines. It was initially reported in 1998 as a steroid-responsive disorder. Patients usually present with arthromyalgias, chronic fatigue and cognitive deficits. Most reported cases of MMF are from adult patients in Europe; however, it is reported in children as well. Pathologically the characteristic finding on muscle biopsy is the presence of histiocytes containing Periodic acid-Schiff (PAS) stain positive material that is ultrastructurally composed of aluminum hydroxide derived from aluminum adjuvant-containing vaccines. Serum creatine kinase level may be elevated at onset. Treatment generally involves immunosuppression and prognosis in general is good.
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Castro, D.P., Cai, C., Jacob Paul, D. (2020). A 6-Year-Old Girl with Muscle Pain and Swelling in the Thighs. In: Zhou, L., Burns, D., Cai, C. (eds) A Case-Based Guide to Neuromuscular Pathology. Springer, Cham. https://doi.org/10.1007/978-3-030-25682-1_23
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DOI: https://doi.org/10.1007/978-3-030-25682-1_23
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