نتایج جستجو برای: tuberculous mycobacteria
تعداد نتایج: 17434 فیلتر نتایج به سال:
The mycobacterial antigens stimulating human gamma delta T lymphocytes (R. L. Modlin, C. Permitz, F. M. Hofman, V. Torigian, K. Uemura, T. H. Rea, B. R. Bloom, and M. B. Brenner, Nature (London) 339:544-548, 1989; D. H. Raulet, Annu. Rev. Immunol. 7:175-207, 1989) have been characterized recently in Mycobacterium tuberculosis H37Rv as a group of four structurally related nucleotidic or phosphor...
Background. We report a case of tuberculous peritonitis in a 46 year-old North African male patient. Case presentation. Relentless hiccup, dyspepsia, anorexia and weight loss were the chief complaints. Physical examination revelead only abdominal distension, suggesting ascites. Ultrasound tomography and computed tomography scan of the abdomen showed massive ascites but no enlargement of the liv...
The aim of the present study was to determine the role of previous non-tuberculous mycobacteria sensitisation in children as a factor of discordant results between tuberculin skin test (TST) and an in vitro T-cell based assay (T-SPOT.TB; Oxford Immunotec, Oxford, UK). We enrolled 21 non-bacille Calmette-Guérin-vaccinated paediatric patients for suspicious of latent tuberculosis infection (LTBI)...
Primary intrahepatic malignant mesothelioma (PIHMM) is an extremely rare tumor with clinicopathological characteristics that remain to be elucidated. The current study presents the case of a 68-year-old female with PIHMM and multiple lymphadenopathies due to non-tuberculous mycobacteria. The patient presented with an intrahepatic tumor, 70 mm in diameter, in the right lobe of the liver. An ultr...
BACKGROUND & OBJECTIVE The non-tuberculous mycobacteria (NTM) have emerged as important opportunistic pathogens of human beings in the recent years. The NTM are rapid growing mycobacteria (RGM), which include Mycobacterium fortuitum and M. chelonae and grouped as M. fortuitum-chelonae complex. Though there are reports on isolation of NTM from various parts of India, information on its occurrenc...
Post-mortem bacterial culture and specific biochemical tests are currently performed to characterize the etiologic agent of bovine tuberculosis. Cultures take up to 90 days to develop. A diagnosis by molecular tests such as PCR can provide fast and reliable results while significantly decreasing the time of confirmation. In the present study, a nested-PCR system, targeting rv2807, with conventi...
Lymphadenitis is the most common extrapulmonary manifestation of tuberculosis. It remains both diagnostic and therapeutic challenge because it mimics other pathologic processes and yields inconsistent physical and laboratory findings. Diagnosis is difficult often requiring biopsy. A thorough history and physical examination, staining for acid-fast bacilli, fine-needle aspiration and PCR are hel...
Lymphocytic or granulomatous hypophysitis is a rare entity with a difficult diagnosis. Our objective was to report a patient with non-tuberculous granulomatous hypophysitis. An HIV-negative 45-year old man with confusional state, subacute ophthalmoplegia, and clinical and laboratory findings of panhypopituitarism was seen in the emergency unit. A cranial MRI showed a sellar mass suggestive of h...
Around 50 mycobacteria species cause human disease. Immunosuppressive states predispose to non-tuberculous mycobaterium infection, such as Mycobacterium chelonae: AFB, non-tuberculous, fast growth of low virulence and uncommon as a human pathogen. It may compromise the skin and soft tissues, lungs, lymph nodes and there is also a disseminated presentation. The diagnosis involves AFB identificat...
The Non-Tuberculous Mycobacteria (NTM),whose habitat the environment has acquired importance in the last years because of the immunosupressed patients, infected HIV ,and also in develop countries that have managed to eradicated the bovine tuberculosis. Where it has been verified that certain NTM interfere in the diagnosis of tuberculosis when it is applied to the delayed hypersensitivity test w...
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