نتایج جستجو برای: immunocompetent host
تعداد نتایج: 221753 فیلتر نتایج به سال:
A 40-year-old gentleman from West Bengal, who is a farmer by profession, presented with easy fatigability, significant loss of weight, and asymptomatic, progressive nodulo-ulcerative lesions on his groins of 1 year duration. He gave no history of exploring caves or exposure to any large areas contaminated with bird droppings. General examination revealed firm, nontender, discrete cervical, axil...
A 71-year-old man with presumptively treated pulmonary tuberculosis ten years earlier and previous alcoholism presented with adrenal insufficiency. HIV serology was negative. A computerized tomography scan of the abdomen showed enlarged right adrenal. He recovered after emergency treatment with hydrocortisone IV. Right adrenalectomy was performed. Histoplasmosis was diagnosed and the patient wa...
A middle aged male with no known comorbidities presented with history of colicky abdominal pain, low grade fever and weight loss. Laboratory parameters were normal except low albumin. Imaging showed multiple areas of mural thickening with enhancement in jejunum & ileum. On Colonoscopy there was a thickened and deformed ileum with multiple ulcers. The biopsy showed co-infection of CMV and histop...
Yersinia enterocolitica is primarily a gastrointestinal tract pathogen known to cause gastroenteritis, although it may produce extra-intestinal infections like sepsis and its sequelae. However, primary cutaneous infections are extremely rare. We present a case of Y. enterocolitica thigh abscess in an immunocompetent adult. The portal of entry is unclear in this case. He did many outdoor activit...
Chicken pox is a benign self limited disease. But it may rarely be complicated with acute pancreatitis in otherwise healthy patient. We present a case of varicella pancreatitis and its marked recovery with acyclovir.
Ehrlichioses are caused by obligately intracellular bacteria that are maintained subclinically in a persistently infected vertebrate host and a tick vector. The most severe life-threatening illnesses, such as human monocytotropic ehrlichiosis and heartwater, occur in incidental hosts. Ehrlichia have a developmental cycle involving an infectious, nonreplicating, dense core cell and a noninfectio...
Evasion of the host's immune system is a required step for the establishment of viral infection. In this article, we discuss the recent findings of Heidmann and colleagues demonstrating that some retroviruses possess an immune suppressive (IS) domain "encrypted" within their envelope glycoprotein that is required to establish a successful infection in immunocompetent hosts [1].
From 1998 through 2006, 44 cases of severe primary toxoplasmosis were observed in French Guiana in immunocompetent adults. Toxoplasma gondii isolates exhibited an atypical multilocus genotype. Severe disease in humans may result from poor host adaptation to neotropical zoonotic strains of T. gondii circulating in a forest-based cycle.
A case of cutaneous cryptococcosis due to Cryptococcus neoformans var. gattii in an immunocompetent host is presented. In addition a review of the literature on this subject was carried out and a brief comment made on occurrence of the variety gattii in Brazil.
Leifsonia aquatica is an aquatic bacterium that is typically found in environmental water habitats. Infections due to L. aquatica are rare and commonly catheter associated in immunocompromised patients. We report the first case of an acute septicemia caused by L. aquatica in a healthy immunocompetent host after cryopexy in the absence of a catheter.
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