نتایج جستجو برای: skin tuberculosis
تعداد نتایج: 288628 فیلتر نتایج به سال:
Background: The tuberculin test is widely used to identify tuberculosis infection. Some individuals infected with Mycobacterium tuberculosis may have an initial negative skin test reaction to tuberculin. The two step purified protein derivative skin test can decrease misinterpretation of tuberculin test .This study was aimed at comparing the two- step tuberculin skin test and booster phenomenon...
sarcoidosis is a multisystem noncaseating granulomatous disease with a propensity for lung, eye, and skin which recently have been proposed that mycobacterium tuberculosis may contribute in its pathogenesis, and rarely involves central nervous system (cns). despite cd4+ lymphocytopenia, sarcoidosis by itself does not increase risk of opportunistic infections other than cryptococcosis.nonetheles...
Tuberculosis control relies on the identification and preventive treatment of individuals who are latently infected with Mycobacterium tuberculosis. However, direct identification of latent tuberculosis infection is not possible. The diagnostic tests used to identify individuals latently infected with M. tuberculosis, the in vivo tuberculin skin test and the ex vivo interferon-gamma release ass...
Latent tuberculosis was studied in a research laboratory. A prevalence of positive tuberculin skin test results (>or= 15 mm) of 20% was found and the main predictors were place of birth in a foreign country with high prevalence of tuberculosis and a history of contact with patients with untreated active tuberculosis.
Diagnostic testing for tuberculosis has remained unchanged for nearly a century, but newer technologies hold the promise of a true revolution in tuberculosis diagnostics. New tests may well supplant the tuberculin skin test in diagnosing latent tuberculosis infection in much of the world. Tests such as the nucleic acid amplification assays allow more rapid and accurate diagnosing of pulmonary a...
Cutaneous tuberculosis, pulmonary tuberculosis and hanseniasis are all caused by different spp. of Mycobacterium, an intracellular pathogen whose development depends on impaired cell mediated immunity. Scrofuloderma is the most common variant of cutaneous tuberculosis, which is characterized by a direct extension of the skin which overlies the infected lymph gland, bone or joint, that breaks do...
BACKGROUND Unlike other respiratory infections, tuberculosis diagnoses increase in summer. We performed an ecological analysis of this paradoxical seasonality in a Peruvian shantytown over 4 years. METHODS Tuberculosis symptom-onset and diagnosis dates were recorded for 852 patients. Their tuberculosis-exposed cohabitants were tested for tuberculosis infection with the tuberculin skin test (n...
Dear Sir or Madam, A 69-year-old woman was referred to our Department because of multiple abscesses on her neck (Fig. 1). On admission, ill-defined, erythematous, freely movable nodules with purulent discharge were located on both sides of the neck (Fig. 1). No other skin abnormalities were found. The patient was hospitalized. She had a fever (38.3°C), heart rate of 65 bpm, and blood pressure o...
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