نتایج جستجو برای: autoimmune myositis
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Cancer can occur in patients with inflammatory myopathies. This association is mainly observed in dermatomyositis, and myositis-specific antibodies have allowed us to delineate patients at an increased risk. Malignancy is also reported in patients with necrotizing autoimmune myopathies, but the risk remains elusive. Anti-signal recognition particle or anti-HMGCR antibodies have been specificall...
BACKGROUND In human and animal prion diseases, pathological prion protein, PrPSc, as well as prion infectivity is mainly found in the central nervous system, but also in lymphoid organs and muscle. Pathophysiology of prion colonization of lymphoid organs has been studied intensively, yet how myositis influences prion accumulation in muscle is unknown. RESULT We have investigated the influence...
Idiopathic inflammatory myopathies (IIM) are traditionally identified as a group of disorders that target skeletal muscle due to autoimmune dysfunction. The IIM can be divided into subtypes based on certain clinical characteristics, and several classification schemes have been proposed. The predominant diagnostic criteria for IIM is the Bohan and Peter criteria, which subdivides IIM into primar...
Orbital myositis is an inflammation of mainly the extraocular muscles. Orbital myositis has a sudden onset, and the clinical course can be acute or chronic. The ocular signs and symptoms of eyes with orbital myositis are periocular pain, eyelid swelling and redness, restricted ocular motility, and strabismus. Computed tomographic (CT) scans show indistinct swelling around one or more extraocula...
The idiopathic inflammatory myopathies are a heterogeneous group of autoimmune muscle disorders with distinct clinical and pathological features and underlying immunopathogenic mechanisms. Traditionally, CD4(+) Th1 cells or CD8(+) cytotoxic effector T cells and type I/II interferons have been primarily implicated in the pathogenesis of the inflammatory myopathies. The presence of IL-17A produci...
Based on unique clinicopathological criteria, the most common immune inflammatory muscle disorders include Dermatomyositis (DM), Polymyositis (PM), Necrotizing Myositis (NM), and sporadic Inclusion Body Myositis (sIBM). DM is an undeniably a complement-mediated microangiopathy with destruction of capillaries, hypoperfusion, and inflammatory cell stress on the perifascicular regions. Necrotizing...
Autoimmune polyendocrine (or polyglandular) syndrome (APS) is a relatively rare clinical condition characterized by functional impairment of multiple endocrine glands due to loss immune tolerance. APS broadly categorized as monogenic forms, such autoimmune type 1 (APS-1), and more common polygenic variety, 2 (APS-2). Although many conditions including rheumatic diseases can develop in APS-2, sy...
Association of statins with autoimmune disorders is rarely reported. We report a case of an apparently healthy 76-year-old woman who was on long-term statin therapy presenting with severe rhabdomyolysis, autoimmune hepatitis, and positive lupus antibodies. Patient presented with complaints of worsening fatigue, leg cramps, and progressive weakening of lower extremities over 3 weeks. The patient...
The idiopathic inflammatory myopathies are a heterogeneous group of rare chronic autoimmune diseases that include polymyositis (PM) and dermatomyositis (DM). Antisynthetase syndrome (ASS) is recognized as a subset of the idiopathic inflammatory myopathies and the syndrome is characterized by myositis associated with interstitial lung disease (ILD) and autoantibodies against aminoacyl-tRNA synth...
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