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

Two cases of myositis ossificans involving the quadriceps femoris muscle are described following total knee replacement arthroplasty. This condition appears to be a very rare complication of this operation. One case was helped by ultrasound therapy.
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PMID:Myositis ossificans following total knee replacement. A report on two cases. 46 61

Focal myositis is a recently defined, rapidly growing, inflammatory pseudotumor of skeletal muscle. It is characterized by marked myopathic changes of muscle fibers, hypocellular fibrosis of perimysium and endomysium, and an intense inflammatory reaction in the fibrous septa. This report describes the first instance involving the neck muscle of a 40 year old man. A brief discussion of other histologically similar subcutaneous lesions is also presented.
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PMID:Focal myositis of the neck. 46 19

Two cases of mainly interstitial myositis with epitheloid and giant cells are reported. In the first case, the late amyotrophic-type paralysis of the two girdles, of the clinical myositis type, was associated with severe myocardial damage, the atrioventricular conduction disorder requiring a pace-maker. This observation would appear to be a true polymyositis of the collagen diseases, in view of the associated skin affection, death occurring within a year, a large increase in serum muscle enzymes and urine creatine, the existence of a rheumatoid factor and striated muscle antibodies, and a large increase in M and G immunoglobulins. In the 2nd case, the amyotrophic affection of the pelvic girdle was associated with progressive blindness, diabetes insipidus, and anterior pituitary insufficiency. Death occurred after two years and autopsy showed a suprasellar dysgerminoma (ectopic pinealoma) without any visceral localization of sarcoidosis. The authors discuss the concept of granulomatous polymyositis, autonomous with respect to the sarcoidosis, and sometimes symptomatic of an inflammatory connective tissue condition or a malignant tumor.
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PMID:[Granulomatous myositis during collagenosis (one case) and suprasellar dysgerminoma (one case) (author's transl)]. 48 59

In the case of surgically dressed necroses of the hip condyle and coxarthroses a condition was found after fracture of the pelvis or after dislocation of the hip joint in 7.2% of the cases. In 13.2% of the cases a trauma was found anamnestically. It was subdivided into fractures of the acetabulum, fractures of the pelvic girdle, dislocations, and fractures of the pelvic brim on the basis of the system of Judet and Engler as well as Feldkamp. Fractures of the pelvic brim through muscular traction, traction of the ligament, and direct trauma were discussed. The most frequent delayed consequences arising after dislocations of the hip joint and fractures of the acetabulum are: necroses of the head of the femur, coxarthroses, pseudarthroses, and myositis ossificans. The pathogenesis of the delayed injuries resulted from: capsular and vascular lesions, damage to cartilage with fractures in the spongiosa region, incongruence of the surface of the joint, insufficiency of the static structure of the pelvic ring, deposit of calcium salt outside the bone. In some cases the progress of the necrosis could be arrested by means of osteotomy and spongiosa filling. The rate of necrosis increases in proportion to the period between the time of occurrence of the accident and reposition (limit of 6 h). Even though about half the pelvic girdle fractures show good results with conservative treatment, in the case of fractures of the acetabulum a reconstruction as far as possible continuous and without stages is to be aimed at. In many cases the development of a myositis ossificans cannot be prevented.
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PMID:[Delayed complications after dislocations and fractures in the pelvic region (author's transl)]. 48 87

Dermatomyositis and polymyositis are diseases which must be carefully defined in each patient. Criteria such as those suggested by Bohan and Peter will help define the disease and exclude other possible causes of myositis. Immunological factors are probably involved in the pathogenesis of the disease, although varied types of injury may manifest in clinically similar disease. Dermatomyositis, not polymyositis, is related to internal malignancy in adults; however, an extensive malignancy evaluation is not indicated. Therapy with corticosteroids will improve the quality of life, will prevent contractures and calcinosis and may improve the chance of survival. In cases where steroids are ineffective, immunosuppressives may be helpful.
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PMID:Dermatomyositis. 48 7

A case of myositis ossificans, following a hemiparesis due to a cerebral haemorrhage and treated with synthetic slamon calcitonin, is described. An improvement in joint range and a cessation of further ectopic calcification was seen but, because of the remitting nature of myositis ossificans itself, the therapeutic role of calcitonin in this case is unproven.
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PMID:Calcitonin for myositis ossificans. 49 7

A case of eosinophilic polymyositis is reported. Tender muscle swelling was followed by proximal weakness, creatinine kinase elevation, and electromyographic features typical of polymyositis. Severe myocarditis, pericarditis and heart failure were present. Muscle biopsy specimen showed active myositis with eosinophil infiltrate. Unlike previous cases, blood eosinophils count was normal. The clinical response to corticosteroids was excellent, and a relapse occurring as steroid dose was lowered responded rapidly to an increased dose of prednisolone. Eosinophilic polymyositis may be a component of a general systemic illness with prominent cardiac involvement.
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PMID:Eosinophilc polymyositis. 50 94

During an epidemic of influenza B, 43 ambulatory children were prospectively followed to determine the quantitative shedding patterns of influenza B viral infection, because these have not been previously described. The spectrum of illness included 74% with a typical influenzalike illness, 7% with an afebrile infection of the upper respiratory tract, and 19% with croup. Mild myositis occurred in 21%. For the first three days of illness, greater than or equal to 93% of the children shed virus, and 74% shed on day 4. The average peak quantity of virus shed in the nasal wash was 4.0 log10 50% tissue culture infective doses/ml(range, 1.5-6.0), which gradually declined over four days to 2.4 log10 50% tissue culture infective doses/ml. The quantities of virus shed correlated significantly with severity of illness and fever score, but not with sex, type of illness, or occurrence of myositis. These results suggest that the degree of clinical illness may be directly related to the cytotoxic effects of the virus and to the transmissibility of the disease.
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PMID:Viral shedding patterns of children with influenza B infection. 51 19

Ultrasonic evaluation of a soft tissue mass of the thigh was performed and suggested the diagnosis of myositis ossificans. Correlation with routine radiographic studies is made, as well as with the follow-up radiographic examination.
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PMID:Ultrasound appearance of myositis ossificans. 51 45

A series of 38 "high risk" selected cases of deep venous thrombosis were studied in an internal Medicine Department. Fibrinogen-125I was used. Phlebographic verification was sought in those cases with a positive response to the fibrinogen. From the 38 cases 13 turned out to be positive; in 8 the venous thrombus was identify by venography. In two cases the dorsal venous arch could not be filled. In one case the phlebography could not be carried out. In the remaining two cases the venography did not show a thrombus but there was a pathologic fracture with hematoma and an ossifying myositis, respectively. Both cases were interpreted as false positives to the radioactive fibrinogen. One of them had suggestive clinical manifestations of deep venous thrombosis. Of the eight cases which were positive to the venography and radioactive fibrinogen only four showed a clinical picture suggestive of deep venous thrombosis. If the three cases with negative venographies are included only 36.3 percent of the patients had clinical manifestations. Among the 25 cases which were negative to the radioactive fibrinogen none of them had a clinical picture of deep venous thrombosis, although in 64 percent of them at least one of the clinical signs collected during the physical examination was positive. The correlation between fibrinogen-125I and phlebography turned out to be 80 percent.
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PMID:[The use of 125I-fibrinogen in the diagnosis of deep venous thrombosis in medical practice (author's transl)]. 52 63


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