Abstract:
INTRODUCTION:The aim of this study was to describe the therapeutic effects of immunomodulatory therapy in 3 patients with childhood autoimmune necrotizing myopathy with anti-signal recognition particle antibodies (SRP-ANM). METHODS:Before treatment, data on clinical features, muscle pathology, and thigh MRIs were obtained. After definitive diagnoses, all 3 patients were treated with intravenous immunoglobulin and corticosteroids, and thigh MRIs were performed. RESULTS:Clinical improvements were associated with declines in serum creatine kinase levels. Pretreatment thigh MRIs revealed diffuse, but uneven or focal edema, mostly in the posterior thigh muscles, which was alleviated after immunomodulatory therapy. DISCUSSION:Childhood SRP-ANM responded well to immunomodulatory therapy. The extent of edema, as monitored by thigh MRI, appears to be a useful marker of disease severity and therapeutic benefit. Muscle Nerve 56: 1181-1187, 2017.
journal_name
Muscle Nervejournal_title
Muscle & nerveauthors
Zhao Y,Liu X,Zhang W,Yuan Ydoi
10.1002/mus.25575subject
Has Abstractpub_date
2017-12-01 00:00:00pages
1181-1187issue
6eissn
0148-639Xissn
1097-4598journal_volume
56pub_type
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