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Query: UMLS:C0027121 (myositis)
 4,538 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In 3 patients, a 72-year-old man, a 62-year-old man and a 73-year-old woman with weakness of respectively the quadriceps femoris, the finger flexors and the pharyngeal muscles, the diagnosis of 'inclusion body myositis' was made. This is a rare, slowly progressive skeletal muscle disorder which is more common in men and after the age of fifty. The activity of serum creatine kinase is often 2-5 times the highest normal value. The electromyogram pattern is myopathic, but can also display neuropathic changes (exclusively). Inclusion body myositis is often misdiagnosed, which can lead to an inappropriate treatment or approach. A frozen muscle biopsy is needed to make cryostat sections for demonstration of myositis with rimmed vacuoles.
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PMID:['Inclusion body'-myositis]. 962 10

Focal myositis is a pseudotumor of soft tissue that typically occurs in the deep soft tissue of the extremities, and is a relatively rare lesion. There is a wide clinical spectrum, with approximately one-third of patients with focal myositis subsequently developing polymyositis, and clinical symptoms of generalized weakness, fever, myalgia, and weight loss, with elevation of creatine phosphokinase. We report the case of a patient with focal myositis who subsequently developed myositis ossificans-like features.
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PMID:Focal myositis. 963 40

A 59-year-old woman with dermatomyositis suffered pneumomediastinum twice during steroid therapy for aggravated myositis. In both instances, pneumomediastinum occurred when the patient's aggravated myositis was in remission. Plain chest X-ray films showed a slit-like air lucency around the left pulmonary artery. This indicated that air entered the mediastinum through the left hilum. Although pneumomediastinum associated with dermatomyositis is considered to be fatal, in our patient each instance of pneumomediastinum spontaneously disappeared very quickly. The favorable course of our patient seemed to be associated with her high elevated levels of serum creatine kinase and seropositive results for anti-Jo-1 antibody.
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PMID:[Recurrent pneumomediastinum in the course of interstitial pneumonia associated with dermatomyositis]. 991 85

Scleromyxedema is a sclerotic variant of papular mucinosis, in which lichenoid papules and scleroderma-like features are present. We describe a patient with scleromyxedema with IgG type lambda chain paraprotein, a systemic sclerosis-like illness, and myositis. The patient's serum contained Scl 70 antibodies, characteristic of scleroderma. Electromyography showed signs of acute myositis and the creatine phosphokinase (CPK) level was elevated. Multiply passaged fibroblasts from the patient's skin lesions showed altered growth response in vitro. The patient was treated with cyclosporin (4 mg/kg/day) with improvement.
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PMID:Scleromyxedema. 1042 28

A 44-year-old woman with a 5-year history of poorly controlled Type 1 diabetes mellitus presented with a painful, firm and warm swelling in her right thigh. Pain was severe but the patient was not febrile, and had no history of trauma or abnormal exercise. Laboratory tests showed ketoacidosis, major inflammation (erythrocyte sedimentation rate (ESR) = 83 mm/h), normal white blood cell count and normal creatine kinase level. Plain radiographs were normal, and there were no signs of thrombophlebitis at Doppler ultrasound. Magnetic resonance imaging (MRI) showed diffuse enlargement and an oedematous pattern of the adductors, vastus medialis, vastus intermedius and sartorius of the right thigh. The patient's symptoms improved dramatically, making biopsy unnecessary, and a diagnosis of diabetic muscular infarction was reached. Idiopathic muscular infarction is a rare and specific complication of diabetes mellitus, typically presenting as a severely painful mass in a lower limb, with high ESR. The diabetes involved is generally poorly controlled longstanding Type 1 diabetes with established microangiopathy. Differential diagnoses include deep vein thrombosis, acute exertional compartment syndrome, muscle rupture, soft tissue abscess, haematoma, sarcoma, inflammatory or calcifying myositis and pyomyositis. In fact, physician awareness should allow early diagnosis on the basis of clinical presentation, routine laboratory tests and MRI, thereby avoiding biopsy and its potential complications as well as unnecessary investigations. Rest, symptomatic pain relief and adequate control of diabetes usually ensure progressive total recovery within a few weeks. Recurrences may occur in the same or contralateral limb.
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PMID:Painful swelling of the thigh in a diabetic patient: diabetic muscle infarction. 1049 95

An open study was conducted to identify and investigate dermatomyositis patients who benefit from IVIG treatment, based on dermatological criteria, myositis-related symptoms and immune/inflammatory parameters. 19 patients (16 females and three males, ages 31-84) suffered from dermatomyositis, and 4/19 patients had paraneoplastic dermatomyositis. We monitored the disease activity by documenting the clinical symptoms, recording muscle-related parameters (electromyography, serum creatine kinase, histopathology), and by determining circulating autoantibodies and serum levels of IL-6, sIL-2R, sTNF-a-R, sICAM-1, and sCD8. 7/19 patients responded to IVIG. They had severe skin but only moderate muscle involvement, no autoantibodies, and no malignancy. IVIG-nonresponders had severe skin and muscle disease, concomitant with autoantibodies and/or malignancy. sIL-2R levels were initially elevated in all patients but reverted to normal in IVIG-responders only. Creatine kinase-levels and other parameters did not correlate with disease activity and/or treatment response. IVIG is effective in selected dermatomyositis patients. sIL-2R serum levels appear to be useful predictors of IVIG-induced treatment response and disease activity.
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PMID:High dose intravenous immunoglobulin (IVIG) in dermatomyositis: clinical responses and effect on sIL-2R levels. 1069 94

Hyperlipidemia is an important cardiovascular risk factor. Lipid-lowering therapy has been shown to decrease morbidity and mortality in these patients. Combination therapy with a 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitor and a fibric-acid derivative has been reported to be more efficacious to reduce low-density lipoprotein (LDL) cholesterol and triglycerides but may be associated with an increased risk of myositis. The aim of this study was to investigate the efficacy and tolerability of fluvastatin, an HMG-CoA reductase inhibitor, alone and in combination with bezafibrate, a fibric-acid derivative. In a randomized controlled trial with 454 hypercholesterolemic patients (mean cholesterol, 8.6 +/- 1.6 mM), fluvastatin (20 mg/day) significantly lowered total plasma cholesterol levels (-12.5%; p < 0.0001 vs. placebo), LDL cholesterol (-14%; p < 0.0001), and triglycerides (-4%; p = 0.05). A small increase in high-density lipoprotein (HDL) cholesterol levels (3%, NS) also was observed. Combination therapy with fluvastatin and bezafibrate (400 mg/day) in 71 patients with persistent hypertriglyceridemia during treatment with the statin resulted in a more pronounced reduction in triglyceride (-47%; p < 0.0001) and total cholesterol levels (-15%; p < 0.0001) than did fluvastatin alone. Furthermore, the additional bezafibrate significantly increased HDL cholesterol (+5%; p < 0.001). No significant increases in creatine phosphokinase levels or in frequency of myalgia were observed. In summary, fluvastatin decreases both cholesterol and triglyceride levels. In patients with persistent hypertriglyceridemia, combination therapy with fluvastatin and bezafibrate may be safely used to lower triglyceride and cholesterol levels more efficiently.
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PMID:Efficacy and tolerability of fluvastatin and bezafibrate in patients with hyperlipidemia and persistently high triglyceride levels. 1071 Jan 19

To study the short-term effect of oral pulsed high-dose dexamethasone for myositis we treated eight newly diagnosed patients with three 28-day cycles of oral dexamethasone. Primary outcome measures were muscle strength, pain, and serum creatine kinase activity. Six patients responded. Side effects were mild. At follow-up five responders were still in remission, without medication. Pulsed high-dose dexamethasone seems beneficial in myositis. A larger, prednisone-controlled trial is justified to analyze long-term efficacy.
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PMID:Oral pulsed high-dose dexamethasone for myositis. 1075 Nov 11

We describe six elderly cases of acute myositis with type A influenza virus infection (Sydney) during the 1998-1999 outbreak. All six cases suffered from myalgia or muscle weakness especially in the lower extremities and the serum creatine kinase (CK) values were elevated above 1,000 IU/l without MB isoenzymes or electrocardiogram abnormalities. There have been a few case reports of acute myositis associated with influenza virus infection in the elderly. However, we noticed a high incidence of acute myositis among elderly patients with type A influenza virus infection. This complication may occur more commonly in elderly patients than has previously been thought.
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PMID:High incidence of acute myositis with type A influenza virus infection in the elderly. 1083 Jan 90

Polymyositis is an inflammatory muscle disease with unknown cause that is characterized by progressive weakness of the proximal muscles. Limited information is available concerning the effectiveness of the combination therapy with cyclosporine A and methotrexate in reducing myositis activity. We describe here a female patient with polymyositis who showed resistance to pulse corticosteroid therapy. Neither the combination of azathioprine (100 mg/day) nor methotrexate (10 mg/week) with corticosteroids decreased the value of creatine phosphokinase. Normalization of the creatine phosphokinase level as well as improvement of muscle strength was obtained only when low-dose cyclosporine A (3 mg/kg/day) was combined with methotrexate.
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PMID:Combined use of cyclosporine A and methotrexate in refractory polymyositis. 1089 75


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