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Query: UMLS:C0000727 (acute abdomen)
 3,084 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We report a case of phlegmonous gastritis associated with Kaposi sarcoma in a 37-year-old, human immunodeficiency virus (HIV)-positive man who presented with an acute abdomen. Computed tomographic scan revealed free fluid in the abdominal cavity and a thickened gastric wall. A partial gastrectomy was performed. The resected portion of stomach had a hemorrhagic, necrotic thickened wall and showed extensive, acute suppurative inflammation, especially in the submucosa, with focal transmural involvement. Beneath an area of healing ulceration, a focus of Kaposi sarcoma was present. Group A beta-hemolytic streptococcus was grown from peritoneal fluid, and treatment with numerous antibiotics was initiated. After a difficult postoperative course that responded to 8 weeks of antibiotic therapy, the patient was medically stable and discharged from the hospital on antiretroviral therapy for HIV. Phlegmonous gastritis is a rare and rapidly progressive bacterial infection of the gastric wall. Kaposi sarcoma is one of the most common malignancies in HIV-positive patients, and gastric involvement is relatively common in those patients with systemic Kaposi sarcoma. To our knowledge, this is the first reported case of phlegmonous gastritis associated with Kaposi sarcoma, and it represents a rare survival following surgical and antibiotic therapy.
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PMID:Phlegmonous gastritis associated with Kaposi sarcoma: a case report and review of the literature. 1521 17

A 12-year-old girl with a high fever underwent echocardiography and was found to have a myxoma that arose from the atrial side of the anterior mitral valve leaflet. The tumor was successfully excised. Histologic examination of the tumor showed myxoma cells and an organized thrombus with bacterial colonization. The patient was discharged from the hospital on antibiotic treatment. After remaining asymptomatic for 3 weeks, she was readmitted with acute abdomen. Ultrasonography and magnetic resonance angiography detected intra-abdominal hemorrhaging and a saccular aneurysm of the abdominal aorta. The patient underwent successful emergency surgery. To our knowledge, no other report has been published concerning an abdominal aortic aneurysm secondary to bacterial infection of a cardiac myxoma. Although complications this severe are rarely observed in patients who have endocarditis, early recognition and treatment can be life-saving.
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PMID:Ruptured abdominal aortic aneurysm after resection of an infected cardiac myxoma. 1762 77

Primary peritonitis, a bacterial infection within the peritoneal cavity that arises in the absence of an intraperitoneal source, is a rare entity in paediatrics. We describe the case of a previously healthy 11-year-old girl who presented with an acute abdomen and was found to have primary peritonitis due to Streptococcus pyogenes She had an episode of pharyngitis with pharyngeal cultures positive for S. pyogenes in the month prior to presentation. We performed a review of the literature to better elucidate the risk factors, pathophysiology and presentation of peritonitis due to S. pyogenes and to draw attention to the potential association between group A streptococcal pharyngitis and peritonitis.
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PMID:Group A streptococcal pharyngitis associated with primary peritonitis. 3106 Nov 97