A significant knowledge gap exists concerning the geographical distribution of nontuberculous mycobacteria (NTM) isolation worldwide.To provide a snapshot of NTM species distribution, global partners in the NTM-Network European Trials Group (NET) framework (www.ntm-net.org), a branch of the Tuberculosis Network European Trials Group (TB-NET), provided identification results of the total number of patients in 2008 in whom NTM were isolated from pulmonary samples. From these data, we visualised the relative distribution of the different NTM found per continent and per country.We received species identification data for 20 182 patients, from 62 laboratories in 30 countries across six continents. 91 different NTM species were isolated. Mycobacterium avium complex (MAC) bacteria predominated in most countries, followed by M. gordonae and M. xenopi. Important differences in geographical distribution of MAC species as well as M. xenopi, M. kansasii and rapid-growing mycobacteria were observed.This snapshot demonstrates that the species distribution among NTM isolates from pulmonary specimens in the year 2008 differed by continent and differed by country within these continents. These differences in species distribution may partly determine the frequency and manifestations of pulmonary NTM disease in each geographical location. @ERSpublications Species distribution among nontuberculous mycobacteria isolates from pulmonary specimens is geographically diverse

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Tularemia is an endemic disease in Turkey. In this study, we aimed to detect Francisella tularensis by two methods from natural water supplies thought to cause tularemia epidemiologically. A total of 154 water specimens from three different outbreaks caused by drinking water were collected. Water specimens were cultured on antibiotic-added cysteine heart agar base with blood and incubated at 37°C in a humidified atmosphere containing 5% CO(2) for 4-10 days. The suspected colonies were confirmed by F. tularensis antiserum (BD) and the real-time TaqMan polymerase chain reaction (PCR) method. DNA was isolated from samples obtained from filters. The primer and probe sets targeting the ISFtu2 genome were used. A total of four F. tularensis isolates were obtained from 154 water samples. At the same time, the presence of F. tularensis DNA from 17 water specimens was shown by the real-time TaqMan PCR method. Although the DNA presence of F. tularensis has been detected from water sources by the PCR method in Turkey up to now, there has been no isolation directly from water specimens by culture. In this study, the determination of F. tularensis from water sources has been exhibited as the first data by both culture and real-time TaqMan PCR methods.

The syntheses, in vitro antituberculosis and cytotoxic activities of cyclotetraphosphazenes were investigated.

The use of immediate on-site evaluation of fine-needle aspiration biopsy (FNAB) specimens can determine the adequacy of specimens and provides a specific preliminary diagnosis. In this prospective study, we evaluated the impact of on-site assessment of thyroid FNAB performed under ultrasound guidance. Totally, 204 (170 female, 34 male) patients (102 on site, 102 control group) were included. The patients were randomized on site and regular cytologic examination groups. Quick May-Grünwald Giemsa stain was used for on-site examination and FNA was continued until adequate aspirate for optimal cytological examination. Two (2.0 %) of the 102 patients evaluated with on-site examination had a nondiagnostic result. However, 16 (15.7 %) of the 102 patients examined by regular cytologic examination method, had nondiagnostic result. The difference between these two groups was statistically significant (p < 0.0001). The major cause of a nondiagnostic thyroid FNAB specimen is the failure to aspirate a sufficient number of cells necessary for diagnosis cystic lesions. Immediate on-site evaluation can significantly decrease the nondiagnostic rate of thyroid FNAB specimens.