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

Myositis and septicemia caused by Acinetobacter calcoaceticus were diagnosed in a mare. The infection was characterized clinically by ventral swelling and edema, diarrhea, listlessness, and rectal temperature of 39.4 C. The mare was treated symptomatically for 2 days but died on the 3rd day. Conditions seen at necropsy were myositis, enteritis, typhlitis, colitis, and hepatitis. Lymph nodes were moderately enlarged throughout the body. Gross lesions in musculature were edema, scarring, petechiae, and an occasional exxhymosis. The enteritis was catarrhal, with excessive mucus and moderate hyperemia. The typhlitis and colitis were hemorrhagic. The swollen liver had a diffuse mottled pale and red pattern. Microscopic lesions in skeletal muscle consisted of petechiation, necrosis, scarring, and edema. Cardiac muscle was also scarred and necrotic, but edema was not prominent. Periacinal necrosis was found in the liver. Acinetobacter calcoaceticus was isolated from myocardium and liver.
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PMID:Equine myositis and septicemia caused by Acinetobacter calcoaceticus infection. 62 Nov 83

The effect of oral or parenteral administration of crude saponin extract from Balanites aegyptiaca seed kernal on Hisex-type chicks was studied. Seven-d-old chicks were given 5 mg Balanites crude saponin/kg/d im, 25 mg/kg/d ip or 250 mg/kg/day po for 3 w. When compared to controls, the body weights of dosed chicks were depressed and serum LDH and GOT activities and uric acid concentrations were significantly elevated. There were no consistent differences in serum GGT, CPK, total cholesterol and total protein between control and dosed birds. The main lesions were fatty cytoplasmic vacuolation and necrosis of hepatocytes, lymphocytic nodules, epithelial cell degeneration of the renal tubules, catarrhal enteritis and varying degrees of hemorrhage in the thigh and breast muscles. Myositis or peritonitis were observed in chicks given Balanites crude saponins im or ip, respectively.
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PMID:Effects on chicks of Balanites aegyptiaca kernel saponin given by different routes of administration. 160 91

Infectivity of Trichinella pseudospiralis in Chinese hamsters was greater than that of Trichinella spiralis. Concurrent infection with these two species of parasite was accompanied by an increase in infectivity of T. spiralis. The infectivity of T. pseudospiralis, but not that of T. spiralis, was significantly influenced by host age. Regardless of host age, T. pseudospiralis was more infective for the Chinese hamster than was T. spiralis. Early during infection, enteritis (myeloperoxidase activity) in hamsters infected with T. pseudospiralis alone was significantly less than that seen in animals infected with T. spiralis alone or with both species concurrently. Myositis in hamsters infected with T. pseudospiralis alone was significantly less on days 14, 17 and 25 post-infection (p.i.) than that observed in concurrently infected or T. spiralis-infected animals. On days 11 and 14 p.i. inflammation in diaphragm muscle from concurrently infected hamsters was significantly less than that seen in animals infected with T. spiralis alone. Muscle histology supported these chemical data on myositis. Suppression of the host inflammatory response against early muscle-stage larvae of T. pseudospiralis underlies the greater infectivity of this parasite for the Chinese hamster.
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PMID:Trichinella pseudospiralis overcomes innate resistance of the Chinese hamster to Trichinella spiralis. 166 77

The effects of po and parenteral administration of various doses of fenugreek crude seed saponins were measured in Hisex-type chicks. Forty-nine 7-d-old Hisex chicks were assigned to 1 of 5 groups: no fenugreek; 10 mg fenugreek/kg BW im; 50 mg fenugreek/kg BW ip; 50 mg fenugreek/kg BW sc; or 500 mg fenugreek/kg BW in drinking water. Daily dosing was for 21 d. Body weights were depressed and serum LDH and GOT activities and uric acid concentration were significantly elevated. Pathological changes were liver fatty cytoplasmic vacuolation and necrosis of hepatocytes with lymphocytic infiltration, epithelial degeneration of renal tubules, catarrhal enteritis, and varying degrees of hemorrhage in the thigh and breast. Myositis and peritonitis were observed in chicks given fenugreek crude saponins respectively im or ip.
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PMID:The effect of Trigonella foenum graecum (fenugreek) crude saponins on Hisex-type chicks. 180 31

Suppression of host inflammatory response in mice infected with Trichinella pseudospiralis was associated with host plasma corticosterone levels significantly higher than those seen in uninfected mice or in mice infected with T. spiralis. Increases in the population of mitochondria and depletion of lipid droplets in cells of the zona fasciculata were seen in the adrenals of mice infected with T. pseudospiralis. Elevations in enteritis, myositis and myocarditis accompanied 100% mortality in adrenalectomized mice infected with T. pseudospiralis, while lower levels of inflammation and no mortality were observed in sham operated or intact animals infected with this parasite. The severe myositis normally accompanying infection with T. spiralis was suppressed by concurrent infection with 1000 or 2000 T. pseudospiralis to levels equivalent to those seen in animals receiving 0.15 and 0.41 mg cortisone acetate/25 g mouse/day, respectively.
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PMID:A role for elevated plasma corticosterone in modulation of host response during infection with Trichinella pseudospiralis. 337 61

Pasteurellosis was diagnosed in a red-fronted conure (Aratinga wagleri) that had been bitten on its breast by a cat 2 weeks before death. The wound spread rapidly, involving the skin over the entire breast and the underlying musculature. Septicemia that followed dermatitis and myositis was the cause of death. Pasteurella multocida was isolated in pure culture from the heart blood and liver. Diagnosis of Escherichia coli septicemia and enteritis in a hyacinth macaw (Anodorhynchus hyacinthinus) was based on lesions such as generalized hyperemia and hemorrhages in visceral organs, fibrinonecrotic lesions in the intestine, and isolation of E coli in pure culture from the heart blood, liver, and intestine.
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PMID:Bacterial septicemias in two psittacine birds. 388 39

Two cases of Yersinia enterocolitica septicemia occurred in a breeding group of 22 adult patas monkeys (Erythrocebus patas). Affected animals had acute clinical signs of depression, weakness, dehydration, hypothermia, hepatomegaly and pronounced leukopenia. Both animals died a few hours after treatment was initiated. Gross necropsy findings included jaundice, fluid in body cavities, hepatomegaly, splenomegaly, multiple white foci within the liver and spleen, generalized lymph node enlargement and numerous mucosal ulcerations in the colon. Primary histopathological lesions were multifocal hepatic necrosis, splenic necrosis, chronic ulcerative enteritis and diaphragmatic myositis with necrosis and edema. Yersinia enterocolitica was cultured from the liver, spleen, lung, jejunum and rectum. Wild rodents, particularly mice, may have been a source of infection for these animals, as the monkeys were housed in a rural, indoor-outdoor facility. A preliminary culture survey showed that some clinically normal patas monkeys harbored the organism in their intestinal tracts.
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PMID:Naturally occurring Yersinia enterocolitica septicemia in patas monkeys (Erythrocebus patas). 405 42

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

An approximately 2-month-old, reproductively intact female Domestic Shorthair kitten was presented to the Mississippi Veterinary Research and Diagnostic Laboratory with a history of possible trauma to the left shoulder region while playing with children, and was found dead the following day. Marked swelling, with subcutaneous edema and hemorrhages, was observed in the left forelimb. Severe pleocellular, but largely suppurative cellulitis, fasciitis, and interstitial myositis with edema were observed microscopically in sections from the affected limb. Massive numbers of gram-positive diplococci also were observed. Other pathologic changes included moderate interstitial pneumonia, mild cholangitis, lymph node hemorrhage, gastrointestinal nematodiasis, mild enteritis, and mild interstitial nephritis. Bacteriologic culture identified Streptococcus pneumoniae as the causative agent, which was confirmed by polymerase chain reaction amplification of the pneumolysin gene from chromosomal DNA of the isolate.
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PMID:Streptococcus pneumoniae-associated cellulitis in a two-month-old Domestic Shorthair kitten. 1661 9

Wallabies and other Australian marsupials are among the most susceptible species to Toxoplasma gondii. Fatal generalized toxoplasmosis was diagnosed in two captive 3 year-old female Bennett's wallabies (Macropus rufogriseus) from Argentina (w 1 and w 2) with a history of sudden death. Both animals had internal joeys which died 2 days after their mothers. Serologically, both females and one adult male without clinical signs from the same enclosure (w 3) had antibody titers for T. gondii>or=800 by the modified agglutination test (MAT); another adult male (w 4) was negative (MAT titer<25). Microscopically, tachyzoites were observed associated to non-suppurative meningoencephalitis, hepatitis, myositis, myocarditis and severe enteritis in hematoxylin and eosin stained sections from both w 1 and w 2. Immunohistochemically, parasites in heart, brain and liver sections of both female wallabies reacted with T. gondii antiserum. T. gondii was isolated from brain tissues of w 1 and w 2 by bioassay in mice and by culture in bovine monocytes and both isolates were cryopreserved. Genomic DNA was isolated from tachyzoites grown in cultures derived from both animals. The primer pair B22/B23 specific for T. gondii produced 115bp amplicons on poliacrylamide electrophoretic gels. Stray cats were suspected as the possible source of infection. Not all infected macropods were ill, showing that the infection may be asymptomatic and is not always fatal. A vertical infection could not be proved in the joey from w 2. As far as we know, this is the first confirmed report of toxoplasmosis in Bennet's wallabies in Argentina.
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PMID:Toxoplasmosis in captive Bennett's wallabies (Macropus rufogriseus) in Argentina. 1705 83


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