نتایج جستجو برای: inflammatory myopathy
تعداد نتایج: 272321 فیلتر نتایج به سال:
OBJECTIVES To quantify nailfold capillary density and dimensions in patients with idiopathic inflammatory myopathy (IIM) and compare them with those in healthy controls; to look for associations with microvascular disease in IIM; and to determine whether nailfold capillary density and dimensions change over time. METHODS Nailfold video microscopy (x300 magnification) was performed on 24 patie...
BACKGROUND The discovery of myositis-specific autoantibodies and myositis-associated autoantibodies has led to a new serological classification. Human U3 RNP, which consists of the U3 small nucleolar RNA and anti-U3 RNP antibody, is directed against one of the subunits. Anti-U3 RNP antibodies have been detected in 5-8 % of patients with systemic sclerosis, and antibody-positive patients with sy...
Polymyositis is a rare disease with incidence rates at about 1 per 100,000 people annually. In this case report we will review a case of proximal muscle weakness with an elevated creatine phosphokinase that was initially misdiagnosed twice as rhabdomyolysis. Therefore, emphasizing that idiopathic inflammatory myopathy is a potential cause of myasthenia that must be considered in the differentia...
This review summarizes the previous and current literature on the immunogenetics of idiopathic inflammatory myopathy (IIM) and updates the research progress that has been made over the past decade. A substantial part of the genetic risk for developing adult- and juvenile-onset IIM lies within the major histocompatibility complex (MHC), and a tight relationship exists between individual human le...
Immune-mediated necrotizing myopathy (IMNM) is a group of inflammatory myopathies showing necrotic and regenerating fibers without noteworthy cell infiltration on pathology. The pathologic findings are different from those dermatomyositis or sporadic inclusion body myositis. Furthermore, the discovery myositis-specific antibodies in patients with IMNM, such as anti-signal recognition particle a...
The idiopathic inflammatory myopathies (IIMs) are a heterogeneous group of rare disorders that share many similarities. In addition to sporadic inclusion body myositis (IBM), these include dermatomyositis, polymyositis, and autoimmune necrotizing myopathy. IBM is the most common IIM after age 50 years. Muscle histopathology shows endomysial inflammatory exudates surrounding and invading nonnecr...
We describe a 41 years old woman who 17 years ago presented hypotonia and proximal muscular weakness in the upper and lower limbs. On neurological examination, the biceps, triceps and Achilles reflexes were absent; the brachioradialis reflexes were decreased and the patellar reflexes were normal. There was bilateral Babinski sign. The remainder of the neurological examination was unremarkable. ...
Synonyms: MmD, Multi-minicore disease, Minicore myopathy, Multicore myopathy, Multiminicore myopathy, Minicore myopathy with hand involvement, antenatal onset minicore myopathy with arthrogryposis, Minicore myopathy with external ophthalmoplegia, Multicore myopathy with external ophthalmoplegia, Multiminicore disease with external opthalmoplegia, SEPN1-related congenital muscular dystrophy, rig...
Sporadic inclusion body myositis (s-IBM) is an acquired inflammatory myopathy. Clinical presentation is variable. The usual presentation is progressive weakness and atrophy of the arms and leg muscles, especially of the quadriceps femoris which is invariably affected. It is classified under inflammatory myopathies, along with polymyositis and dermatomyositis. We present a case of s-IBM who pres...
Sporadic inclusion body myositis (sIBM) is the commonest severe myopathy in patients more than 50 years of age. Previous therapeutic trials have targeted the inflammatory features of sIBM but all have failed. Because protein dyshomeostasis may also play a role in sIBM, we tested the effects of targeting this feature of the disease. Using rat myoblast cultures, we found that up-regulation of the...
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