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

Clinical sarcocystosis was studied in 37 goats after inoculation with graded doses of sporocysts of Sarcocystis capracanis. Eight uninoculated goats served as controls. Clinical response varied with the dose. Goats inoculated with 10-40 million sporocysts died between 11 and 13 days after inoculation (DAI), from interstitial pneumonia, vasculitis, and necrosis of mesenteric lymph nodes. All goats inoculated with 100,000 or 1 million sporocysts died between 19 and 23 DAI; clinical signs were anorexia, fever (40-41 C), anemia, and weight loss. Four of 4 goats inoculated with 50,000 sporocysts and 1 of 4 inoculated with 10,000 sporocysts died 24, 28, 39, 68, and 61 DAI, respectively. Goats inoculated with 1,000 sporocysts and uninoculated goats remained clinically normal. After day 18 and before day 68, packed cell volume and hemoglobin content decreased to as low as 11% and 3.6 g/dl, respectively. Alanine aminotransferase and lactic dehydrogenase activities were inconsistently increased. Blood urea nitrogen and bilirubin values were increased, reaching as high as 63 mg/dl and 10 mg/dl, respectively. Histologically, thymic atrophy, vasculitis, hepatitis, cholangitis, myocarditis, generalized myositis, and encephalomyelitis were the main microscopic findings. The cause of the anemia in goats that died after day 19 was not determined.
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PMID:Sarcocystosis in goats: clinical signs and pathologic and hematologic findings. 678 65

Systemic pathological alterations were studied in thirty-seven autopsied patients with Kawasaki disease. Systemic vasculitis was the most characteristic pathological finding and was present in all the patients. In addition to the vasculitis, there was a high incidence of inflammatory lesions in various organs and tissues: in the heart, endocarditis, myocarditis, and pericarditis; in the digestive system, stomatitis, sialoduct-adenitis, catarrhal enteritis, hepatitis, cholangitis, pancreatitis, and pancreas ductitis; in the respiratory system, bronchitis and segmental interstitial pneumonia; in the urinary system, focal interstitial nephritis, cystitis, and prostatitis; in the nervous system, aseptic leptomeningitis, choriomeningitis, gangliontis, and neuritis; in the hematopoietic system, lymphadenitis, splenitis, and thymitis. Dermatitis, panniculitis or myositis were also observed in some patients. Therefore, Kawasaki disease is a systemic inflammatory disease which mainly affects the cardiovascular system. These systemic inflammatory lesions are considered to correspond to the variegated clinical manifestaitions. The relationship between Kawasaki disease and infantile polyarteritis nodosa (IPN) were discussed, based on the clinicopathological characteristics.
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PMID:General pathology of Kawasaki disease. On the morphological alterations corresponding to the clinical manifestations. 744 9

Six Indonesian buffaloes (Bubalus bubalis) were inoculated intravenously with 10(5) Trypanosoma evansi, examined clinically, haematologically and serologically, and then killed 1, 2, 3, 4, 8 or 12 weeks after infection for detailed pathological study. Relapsing fever was related to the waves of parasitaemia and fluctuations of pulse and respiration rates. Anaemic mucous membranes, depression, weakness, refusal to walk, loss of appetite and emaciation were seen. Body weight, packed cell volume, total platelet and red cell counts, and haemoglobin values were below those of two uninfected control buffaloes, as well as below the normal range; on the other hand antibody titres against T. evansi in infected animals were all above those in controls. Emaciation, serous atrophy of fat, hydropericardium, petechial to larger haemorrhages in the pericardium, pneumonia, congested liver and spleen, oedematous enlargement of the superficial lymph nodes and hyperplastic bone marrow were the major gross pathological changes. Histologically, the severity of the disease increased from 1 to 7 weeks after infection and became less obvious at 12 weeks. The most consistent lesions were interstitial pneumonia, interstitial myocarditis, splenic multifocal necrosis, interstitial myositis and hyperplastic bone marrow. The last three lesions appear not to have been reported previously in T. evansi infection in buffaloes or other animals. The clinicopathological findings in this study show that T. evansi is both an intravascular and extravascular parasite.
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PMID:The pathology of experimental Trypanosoma evansi infection in the Indonesian buffalo (Bubalus bubalis). 804 Mar 89

Some patients of dermatomyositis (DM) with interstitial pneumonia (IP) have common clinical features. Clinical features of these patients are acute onset, very poor prognosis and that patients have fever, arthritis, typical skin rash, mild myositis and show low ratio of CPK/LDH, low incidence of antinuclear antibody (ANA) appearance, low inflammatory signs. We experienced two cases of this category of DM with IP and examined immunological aspects. Case 1. A 52-year-old woman was admitted in June 1, 1990 with a one-month history of arthralgia and a ten-days history of fever, skin rash, myalgia and dyspnea on exertion. On examination she had Gottron's papules on her fingers, erythema on back, bilateral elbows and legs, proximal muscle weakness and arthritis. Fine crackles were audible in the lower lung fields. Laboratory data included CPK 200 IU/l, ALD 3.2 IU/l, LDH 805 IU/l. Analysis of bronchoalveolar lavage fluid (BALF) revealed increased cellularity with lymphocytosis. She was treated with oral corticosteroid (CS), pulse CS, cyclosporin A. Inspite of these therapies, she died of progressive respiratory insufficiency in July 10, 1990. Case 2. A 23-year-old woman was admitted in April 1, 1991, with a two-month history of arthralgia and a one-month history of fever, skin rash, stomatitis, alopecia. On examination she had Gottron's papules on her fingers, erythema on malar, bilateral elbows and legs, arthritis and stomatitis. Laboratory data included CPK 97 IU/l, ALD 8.5 IU/l, LDH 779 IU/l. She began experiencing dry cough and dyspnea on exertion in May 1991. Analysis of BALF revealed increased cellularity with lymphocytosis. She was treated with oral corticosteroid(CS), pulse CS, pulse cyclophosphamide.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Two cases of acute progressive interstitial pneumonia associated with dermatomyositis--clinical features and immunological disorders]. 823 10

Five pregnant queens were inoculated orally with Toxoplasma gondii tissue cysts. Twenty-two live and three dead kittens were born 16 to 31 days after inoculation. Four kittens were eaten by queens and, thus, were not available for histologic examination. Twenty-one kittens that died or were euthanatized on day 2 (two kittens), 4 (one kitten), 5 (five kittens), 6 (five kittens), 7 (one kitten), 8 (four kittens), 16 (two kittens), and 29 (one kitten) after birth were studied histologically. T gondii was detected by bioassay and was seen in histologic sections of tissues from all 21 kittens. The histologic lesions associated with neonatal toxoplasmosis were widely disseminated infiltrates of macrophages and neutrophils often accompanied by necrosis; lymphocytes and plasma cells were occasionally present. The most consistent lesions were proliferative interstitial pneumonia (21/21); necrotizing hepatitis (20/21); myocarditis (21/21); skeletal myositis (21/21); glossal myositis (19/19); nonsuppurative encephalitis affecting the cerebrum (18/18), brain stem (15/15), and spinal cord (9/9); uveitis (19/19); necrotizing adrenal adenitis (18/18); and interstitial nephritis (16/21). Placental lesions (2/2) consisted of grossly visible areas of necrosis and mineralization.
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PMID:Lesions of neonatally induced toxoplasmosis in cats. 874 Jul 2

We encountered a patient with dermatomyositis complicated by sarcoidosis. A 57-year-old woman was admitted to our hospital because of fever dry cough, and myalgias. There were reticular shadows on her chest X-ray film. Although the typical skin rash and myositis suggested the diagnosis of dermatomyositis biopsy specimens from a salivary gland, muscle, and lung revealed noncaseating granulomas as well. Uveitis was also noted. These findings suggested the coexistence of sarcoidosis with dermatomyositis. Examination of the lung-biopsy specimens showed interstitial pneumonia compatible with dermatomyositis, except for the granuloma. The typical rash of dermatomyositis and pathological findings of the lung specimen were inconsistent with sarcoidosis. Therefore we concluded that this patient had both dermatomyositis and sarcoidosis. This case sheds new light on the importance of pathological examinations.
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PMID:[Dermatomyositis complicated by sarcoidosis]. 897 83

Polymyositis and dermatomyositis are inflammatory muscular diseases of unknown etiology which have interstitial pneumonitis as a serious complication. From 1987 to 1994, we used cyclosporine to treat 14 polymyositis/dermatomyositis patients (8 with and 6 without interstitial pneumonitis). In combination with prednisolone, cyclosporine was either added to or substituted for conventional cytotoxic drugs (azathioprine, cyclophosphamide and methotrexate). Cyclosporine was effective against both myositis and interstitial pneumonitis when used early in the course of the disease.
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PMID:Cyclosporine treatment for polymyositis/dermatomyositis: is it possible to rescue the deteriorating cases with interstitial pneumonitis? 905 98

We present two cases of interstitial pneumonia (IP) whose sera contain autoantibodies to PL-12 (alanyl tRNA synthetase). The first patient is a 47-year-old female who was diagnosed as IP and treated with corticosteroid at another hospital. She was admitted to Keio University Hospital due to worsening of dyspnea and polyarthritis. Laboratory studies revealed elevation of LDH and CRP, and her chest radiography showed interstitial fibrosis. Because of clinical deterioration, the dose of corticosteroid was increased (prednisolone 40 mg/day) and her symptom was stabilized. The second patient, a 55 year-old female, was admitted to Tokyo Metropolitan Ohtsuka Hospital because of dyspnea on exertion and polyarthritis. She did not show any symptom of myositis and was diagnosed as IP with arthritis on the basis of her clinical and chest radiography. She was treated with oral corticosteroid (prednisolone 30 mg/day), which resulted in improvement of her respiratory symptom and arthritis. Both patients were found to have autoantibodies to the PL-12. Autoantibodies to aminoacyl tRNA synthetases have been recognized as having a linkage with myositis mainly because of observations of the Jo-1 specificity. There was one report on a North American population that most but not all patients with anti-PL-12 antibodies had myositis. However, the clinical significance of anti-PL-12 has not been examined in Japanese patients. These patients suggested that anti-PL-12 antibodies have a stronger association with IP than myositis in Japanese patients.
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PMID:[Two cases of interstitial pneumonia with anti-PL-12 (alanyl tRNA synthetase) antibodies]. 912 26

We studied clinicopathological characteristics of interstitial pneumonia associated with amyopathic dermatomyositis. The subjects comprised two men and three women, and their mean age was 58.2 years. All subjects had cruptions specific for dermatomyositis, but had no signs of myositis. They all presented with acutely or subacutely developed coughing and dyspnea. Results of tests for anti-Jo-1 antibody were negative in all cases. Chest X-ray films showed infiltrations or streaky shadows, or both in the middle and lower lung fields. Analysis of bronchoalveolar lavage fluid revealed abnormally high percentages of lymphocytes and neutrophils. In one patients a specimen obtained by open lung biopsy showed homogeneous cell infiltrations in alveolar septa and regional alveolar damage. That patient was successfully treated with cyclosporin and corticosteroids in early phase of the disease. The other four patients received immunosuppressive agents after respiratory failure developed. All four died despite having received high-dose corticosteroid and immunosuppressive therapy. Examination of autopsy specimens showed diffuse alveolar damage.
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PMID:[Clinicopathological features of interstitial pneumonia associated with amyopathic dermatomyositis]. 916 43

We studied the efficacy of cyclophosphamide pulse therapy (CYP) for refractory rheumatic diseases except for lupus nephritis. Thirty-five patients were included in all, that is 9 patients with systemic lupus erythematosus (SLE), 10 with rheumatoid arthritis (RA), 7 with polymyositis/dermatomyositis (PM/DM), 2 with progressive systemic sclerosis (PSS), 2 with anti-phospholipid antibody syndrome (APS), 1 with mixed connective tissue disease (MCTD), 1 with juvenile rheumatoid arthritis (JRA), 1 with Behcet's disease (BD), 1 with Wegener's granulomatosis (WG) and 1 with allergic granulomatous angiitis (AGA). Moderate to marked improvement was noted in 4 patients with SLE (2 with CNS-lupus and 2 with vasculitis), 7 with RA (2 with interstitial pneumonia:IP, 2 with vasculitis and 2 with refractory arthritis), 4 with PM/DM (2 with IP and 2 with refractory myositis), 1 PSS with IP, 2 APS with thrombocytopenia, 1 JRA with vasculitis and BD with CNS disturbance. On the other hand, adverse reactions were observed in 9 out of 35 patients (25.8%). CYP should apply in the treatment for such refractory rheumatic diseases as CNS disturbance, vasculitis, IP and autoimmune thrombocytopenia.
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PMID:[Cyclophosphamide pulse therapy for refractory rheumatic diseases]. 925 7


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