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The distribution and intensity of alkaline phosphatase deposition in 54 patients with dermatomyositis-polymyositis (PM-DM) was analyzed by the enzyme histochemical method. Increased enzyme reactivity of endomysial capillaries was found in 28% of patients, equally distributed between adult onset PM
We reported two patients with polymyositis (PM) associated with primary biliary cirrhosis (PBC) who noticed head-drop as the incipient symptom. Muscle computed tomography showed marked hypodensity in the paravertebral muscles as compared with limb muscles. Patient 1, a 48-year-old female, was
The occurrence of alkaline phosphatase was observed in regenerating muscle fibres, especially in polymyositis and muscular dystrophy. No differences in the appearance of this enzyme were seen in these diseases. Alkaline phosphatase was not encountered in neurogenic atrophy, with the exception of
We studied a 67-year-old female suffered from polymyositis associated with primary biliary cirrhosis. She was pointed out liver dysfunction by screening test. Alkaline phosphatase, transaminase, and IgM were increased. Antimitochondrial antibody and antinuclear antibody were positive. Liver biopsy
The coexistence of polymyositis (PM) and primary biliary cirrhosis (PBC) is rare; only nine cases have been described in English literature. We report a case of a 46-year-old woman presenting with these two autoimmune diseases. The diagnosis of PM was based on the symmetrical, proximal limb muscle
A case of polymyositis associated with chronic active hepatitis was reported. A 53-year-old man, who had no previous history of blood transfusion nor hepatitis, noticed proximal dominant muscle weakness on January 29, 1985. He was admitted to Kyoto National Hospital on February 7, and laboratory
A 72-year-old woman with von Recklinghausen's disease was referred to our hospital because of pain and muscle weakness in her thighs. She had elevated serum values of creatine kinase, aspartate aminotransferase, alanine aminotransferase, lactate dehydrogenase, and aldolase. Based on these results, a
OBJECTIVE
To examine single-nucleotide polymorphisms (SNPs) of the protein tyrosine phosphatase N22 gene (PTPN22) and to study the relationship between PTPN22 and the HLA region in patients with idiopathic inflammatory myopathies (IIMs).
METHODS
PTPN22 SNPs were assessed in a large, cross-sectional,
In 6 cases of polymyositis and 6 of inclusion body myositis, phenotypes of mononuclear cells focally surrounding and invading muscle fibers were analyzed. By localizing the T8, T4, and Ia markers with direct immunofluorescence and acid phosphatase enzyme cytochemically in the same sections, five
We applied a simple lead salt-based stain for interstitial and vascular 5'-nucleotidase to 150 muscle biopsy specimens. No reaction was obtained with 2'- or 3'-adenosine monophosphate, indicating that the stain was specific, and distinct from phosphatases. Staining was not inhibited by alpha,
Among 2175 patients seen over the last three years in a non-specialized department of internal medicine with no intensive care unit, 100 had supranormal serum lactic dehydrogenase activities. These patients' case-reports have been analyzed. Nearly half the patients (47/100) had a malignant disease
Inflammatory myopathies (IM) are acquired diseases of skeletal muscle comprising dermatomyositis (DM), polymyositis (PM), and inclusion-body myositis (IBM). Immunosuppressive therapies, usually beneficial for DM and PM, are poorly effective in IBM. We report the isolation and characterization of
Amine-curing agent for epoxy resin, bis(4-amino-3-methylcyclohexyl)methane, has been suspected of inducing toxic symptoms in man which resemble collagen disease such as scleroderma or polymyositis. We studied subacute toxicity of this agent by repeated oral administrations to rats. The agent was
The recent delineation of a clinical syndrome marked by eosinophilia, myalgia, and scleroderma-like skin changes associated with L-tryptophan use has necessitated the Centers for Disease Control to initiate a health alert. The likely association of L-tryptophan ingestion with a syndrome that mimics
The aim of this study was to determine whether a single-nucleotide polymorphism (SNP; 1858CT, R620W) in the protein tyrosine phosphatase N22 (PTPN22) gene confers susceptibility to idiopathic inflammatory myopathy (IIM) in South Australian patients with IIM.
Genotyping was performed on stored DNA