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https://www.readbyqxmd.com/read/27935910/ascites-and-adnexal-mass-with-raised-ca125-how-arduous-can-be-the-path-of-diagnosis
#1
D Pannu, S Malik, S Shamsunder, A Bhatnagar
Ascites, adnexal mass and elevated CA125 levels almost always suggest advanced ovarian carcinoma. We present a case of a 37 years old multiparous lady who presented with such a classical picture. Radiological picture was suggestive of ovarian carcinoma with peritoneal metastasis. However, ascitic fluid cytology was negative for malignant cells. A differential diagnosis of tubercular mass was made. Ascitic fluid was sent for adenosine deaminase test that was negative. Fine needle aspiration cytology failed to reveal any sufficient sample for evaluation...
January 2016: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/27935474/a-pathology-of-progress-locating-the-historiography-of-cancer
#2
Agnes Arnold-Forster
Despite its prominent position in today's medical research, popular culture and everyday life, cancer's history is relatively unwritten. Compared to the other great 'plagues' - cholera, tuberculosis or tropical fevers, to name but a scant handful - cancer has few dedicated pages in the general surveys, and its specialists have largely failed to convince the broader community of medical historians - or indeed historians of anything at all - that histories of the disease can tell us fundamental things about the science and practice of medicine, both past and present...
December 2016: British Journal for the History of Science
https://www.readbyqxmd.com/read/27934985/importance-of-specimen-pretreatment-for-the-low-level-detection-of-mycobacterial-lipoarabinomannan-in-human-serum
#3
Lars B Laurentius, Alexis C Crawford, Timothy S Mulvihill, Jennifer H Granger, Ryan Robinson, John S Spencer, Delphi Chatterjee, Kimberly E Hanson, Marc D Porter
Patient care and prevention of disease outbreaks rely heavily on the performance of diagnostic tests. These tests are typically carried out in serum, urine, and other complex sample matrices, but are often plagued by a number of matrix effects such as nonspecific adsorption and complexation with circulating proteins. This paper demonstrates the importance of sample pretreatment to overcome matrix effects, enabling the low-level detection of a disease marker for tuberculosis (TB). The impact of pretreatment is illustrated by detecting a cell wall component unique to mycobacteria, lipoarabinomannan (LAM)...
December 9, 2016: Analyst
https://www.readbyqxmd.com/read/27934834/pulmonary-mycobacterium-kansasii-disease-in-immunocompetent-host-treatment-outcomes-with-short-course-chemotherapy
#4
C Padmapriyadarsini, D Nair, N S Gomathi, B Velayudham
Mycobacterium kansasii, most virulent of all atypical mycobacteria, causes pulmonary disease identical to the disease caused by Mycobacterium tuberculosis. Early identification of the species and prompt initiation of treatment for M. kansasii is necessary to prevent morbidity and mortality due to this disease. This case series highlights the similarity in the clinical presentation of both M. tuberculosis and M. kansasii and response to direct observation of short-course chemotherapy with rifampicin, in the management of pulmonary M...
October 2016: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27934821/drug-susceptibility-of-rapid-and-slow-growing-non-tuberculous-mycobacteria-isolated-from-symptomatics-for-pulmonary-tuberculosis-central-india
#5
B Goswami, P Narang, P S Mishra, R Narang, U Narang, D K Mendiratta
BACKGROUND: Non-tuberculous mycobacteria (NTM) are emerging as important pathogens. Their treatment also differs from that of Mycobacterium tuberculosis. In India, any datum on them is scarce as species identification and drug susceptibility are not performed in most laboratories. Susceptibility also differs from one geographic area to another, and in our country, there are no data even to guide the clinicians to start treatment empirically. METHODOLOGY: The present study endeavours to generate drug susceptibility data on NTM isolated from sputum samples collected and stored from 6445 symptomatics for pulmonary tuberculosis during a prevalence survey and from specimens received from the hospital...
October 2016: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27933064/systemic-expression-of-notch-ligand-delta-like-4-during-mycobacterial-infection-alters-the-t-cell-immune-response
#6
Matthew A Schaller, Ronald M Allen, Soichiro Kimura, Cheryl L Day, Steven L Kunkel
The Notch ligand delta-like 4 (DLL4) is known to fine-tune the CD4(+) T cell cytokine response. DLL4 is expressed on the surface of antigen-presenting cells (APCs) in a MyD88-dependent manner. We found that DLL4 expression was upregulated on bone marrow progenitor cells and APCs in mice infected with BCG Mycobacterium. Transfer of DLL4(+) progenitor cells from infected hosts resulted in an increase DLL4(+) myeloid cells in the spleen, indicating that expression of the dll4 gene is propagated throughout hematopoiesis...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27931682/fluoroquinolone-consumption-and-resistance-trends-in-mycobacterium-tuberculosis-and-other-respiratory-pathogens-ecological-antibiotic-pressure-and-consequences-in-pakistan-2009-2015
#7
S Shakoor, S Tahseen, K Jabeen, R Fatima, F R Malik, A H Rizvi, R Hasan
OBJECTIVE/BACKGROUND: Fluoroquinolones (FQs) are important anti-tuberculous drugs for the treatment of multidrug-resistant (MDR) tuberculosis. Resistance to FQs leads to fewer options for treatment of tuberculosis (TB), and infection with such strains may also require longer treatment duration. Trends of resistance in Mycobacterium tuberculosis (MTB) are indicators of MTB-resistance evolution. Drivers of such resistance need to be understood and studied to inform preventive strategies...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/27931054/-tb-screening-of-pregnant-women-in-accordance-with-the-german-protection-against-infection-act
#8
(no author information available yet)
Pregnant women should be tested with immune tests for tuberculosis when they undergo TB screening according to the German Infectious Diseases Protection Act. Interferon Gamma Release Assays (IGRAs) should be the priority tests used for pregnant refugees and asylum seekers, especially when migrating from high incidence countries (> 20 cases/100.000 population according to the ECDC) or when they fled from crisis regions; positive tuberculin skin tests should be veryfied with IGRA. Once immunological tests are suggesting a latent tuberculosis infection it should be considered that pregnant women have an increased risk of developing active tuberculosis with potential health threats for the unborn child...
December 2016: Pneumologie
https://www.readbyqxmd.com/read/27928262/non-hodgkin-s-lymphoma-presenting-as-constrictive-pericarditis-a-rare-case-report
#9
Maryam Nabati, Keyvan Yosofnezhad, Morteza Taghavi, Ali Abbasi, Ali Ghaemian
Constrictive pericarditis (CP) is an uncommon post inflammatory disorder. It is described as pericardial thickening, myocardial constriction, and impaired diastolic filling. The most common etiologies are idiopathy, mediastinal radiotherapy, and prior cardiac surgery. Less common etiologies include viral infections, collagen vascular disorders, renal failure, sarcoidosis, tuberculosis, and blunt chest trauma. CP can less commonly be caused by malignancy. We report a very rare case of non-Hodgkin's lymphoma (NHL) presenting twice with attacks of decompensated heart failure...
April 13, 2016: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/27928077/prevention-of-early-mortality-by-presumptive-tuberculosis-therapy-study-an-open-label-randomized-controlled-trial
#10
Yukari C Manabe, William Worodria, Frank van Leth, Harriet Mayanja-Kizza, Afsatou Ndama Traore, Josefo Ferro, Nadine Pakker, Matthias Frank, Martin P Grobusch, Robert Colebunders, Frank Cobelens
Early mortality after initiation of antiretroviral therapy (ART) occurs in 9-39% of patients in sub-Saharan Africa. A significant proportion of deaths are attributable to tuberculosis (TB). Low baseline CD4 T-cell count and low body mass index (BMI) are strongly associated with early mortality. We hypothesized that initiation of ART concurrent with presumptive anti-TB chemotherapy in high-risk patients would reduce mortality within the first 6 months by treating unrecognized TB. From October 2011 to December 2012, ART-naive, smear-negative participants with a CD4 T-cell count < 50 cells/μL and BMI < 18 kg/m(2) were randomly assigned to undergo either empiric four-drug anti-TB treatment followed 2 weeks later by efavirenz-based ART (N = 23) (ART + TB) or ART only (N = 20)...
December 7, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27928076/rapid-detection-of-mycobacterium-tuberculosis-strains-resistant-to-isoniazid-and-or-rifampicin-standardization-of-multiplex-polymerase-chain-reaction-analysis
#11
Jimena Collantes, Francesca Barletta Solari, Leen Rigouts
Drug susceptibility testing using molecular techniques can enhance the identification of drug-resistant Mycobacterium tuberculosis Two multiplex real-time polymerase chain reaction (qPCR) assays were developed to detect the most common resistance-associated mutations to isoniazid (katGS315T, inhA-15C → T), and rifampicin (rpoBH526Y and rpoBS531L). To assess the species specificity of the qPCR, we selected 31 nontuberculous mycobacteria (NTM) reference strains belonging to 17 species from the public collection of mycobacterial cultures (BCCM/ITM)...
December 7, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27927856/the-long-term-mortality-of-tuberculosis-meningitis-patients-in-new-york-city-a-cohort-study
#12
Christopher Vinnard, Liza King, Sonal Munsiff, Aldo Crossa, Kentaro Iwata, Jotam Pasipanodya, Douglas Proops, Shama Ahuja
BACKGROUND: Tuberculosis meningitis (TBM) is the most devastating clinical presentation of infection with M. tuberculosis; delayed initiation of effective anti-tuberculosis (TB) therapy is associated with poor treatment outcomes. Our objective was to determine the relationship between drug resistance and 10-year mortality among TBM patients. METHODS: We conducted a retrospective cohort study of 324 patients with culture-confirmed TBM, susceptibility results reported for isoniazid and rifampin, and initiation of at least two anti-TB drugs, reported to the TB registry in New York City, NY (US) between January 1, 1992 and December 31, 2001...
December 7, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27927706/cerebral-tuberculomas-in-a-patient-with-hairy-cell-leukaemia-treated-with-cladribine
#13
Samuel Barbosa Fonseca, Júlio Rodrigues de Oliveira, Cristina Gonçalves, Virgínia Lopes
A 67-year-old man was treated with cladribine for hairy cell leukaemia. A few weeks later, he presented with persistent headaches, intermittent hypoesthesia of the right upper limb and language impairment. Brain CT scan showed 3 contrast-enhancing lesions. MRI revealed infracentimetric nodular lesions with restricted diffusion. One of the lesions was surgically removed and tested positive for acid-fast bacilli. Moreover, Mycobacterium tuberculosis was confirmed by PCR. Antituberculous drugs were prescribed for 12 months, with complete resolution of neurological deficits...
December 7, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27927182/the-complete-genome-sequence-of-the-african-buffalo-syncerus-caffer
#14
Brigitte Glanzmann, Marlo Möller, Nikki le Roex, Gerard Tromp, Eileen G Hoal, Paul D van Helden
BACKGROUND: The African buffalo (Syncerus caffer) is an important role player in the savannah ecosystem. It has become a species of relevance because of its role as a wildlife maintenance host for an array of infectious and zoonotic diseases some of which include corridor disease, foot-and-mouth disease and bovine tuberculosis. To date, no complete genome sequence for S. caffer had been available for study and the genomes of other species such as the domestic cow (Bos taurus) had been used as a proxy for any genetics analysis conducted on this species...
December 7, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27925318/total-synthesis-of-the-mycobacterium-tuberculosis-dideoxymycobactin-838-and-stereoisomers-diverse-cd1a-restricted-t-cells-display-a-common-hierarchy-of-lipopeptide-recognition
#15
Janice Cheng, Ligong Liu, Daniel Pellicci, Scott Jj Reddiex, Rachel Cotton, Tan-Yun Cheng, David Young, Ildiko Van Rhijn, Branch Moody, Jamie Rossjohn, David Fairlie, Dale Godfrey, Spencer John Williams
Mycobacterium tuberculosis produces dideoxymycobactin-838 (DDM-838), a lipopeptide that potently activates T cells upon binding to the MHC-like antigen-presenting molecule CD1a. M. tuberculosis produces DDM-838 in only trace amounts and a previous solid-phase synthesis provided sub-milligram quantities. We describe a high yielding solution-phase synthesis of DDM-838 that features a Mitsunobu substitution that avoids yield-limiting epimerization at lysine during esterification, and amidation conditions that prevent double-bond isomerization of the Z-C20:1 acyl chain, and provides material with equivalent antigenicity to natural DDM-838...
December 7, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27923223/intestinal-pneumatosis-associated-with-tuberculosis-after-allogeneic-hematopoietic-stem-cell-transplantation
#16
Vivek Venkataramani, Ali Seif Amir Hosseini, Marco H Schulze, Lorenz Trümper, Gerald Wulf, Ulrike Bacher, Wolfram Jung
Pneumatosis intestinalis (PI), defined as intestinal intra- and extramural gas accumulation, is a rare radiographic finding in conditions of intestinal wall damage of varied etiology. Here, we report on a 56-year-old female with multiple myeloma who presented with undulating fever, fluctuating abdominal symptoms, and a distended abdomen 5 months after allogeneic hematopoietic stem cell transplantation (HSCT). Abdominal X-ray and CT scan documented PI with gas accumulation both in the intestinal and colonic bowel walls...
December 7, 2016: Acta Haematologica
https://www.readbyqxmd.com/read/27920850/choledochoduodenal-fistula-in-the-setting-of-crohn-s-disease
#17
Shane Knipping, Ravi Rajpoot, Roozbeh Houshyar
Of all the spontaneous fistulas that occur between the extrahepatic biliary system and the intestine, a choledochoduodenal fistula is rarely seen. When it does occur, it is most often secondary to a perforated duodenal ulcer, choledocholithiasis, or cholelithiasis. It may also be seen following complications related to iatrogenic injury or tuberculosis. Generally, choledochoduodenal fistulas are asymptomatic, but may present with vague abdominal pain, fever, and other symptoms related to cholangitis. As a result, they can be difficult to diagnose clinically before imaging is obtained...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27919230/the-association-of-hyperglycaemia-with-prevalent-tuberculosis-a-population-based-cross-sectional-study
#18
Sarah Lou Bailey, Helen Ayles, Nulda Beyers, Peter Godfrey-Faussett, Monde Muyoyeta, Elizabeth du Toit, John S Yudkin, Sian Floyd
BACKGROUND: Systematic reviews suggest that the incidence of diagnosed tuberculosis is two- to- three times higher in those with diabetes mellitus than in those without. Few studies have previously reported the association between diabetes or hyperglycaemia and the prevalence of active tuberculosis and none in a population-based study with microbiologically-defined tuberculosis. Most have instead concentrated on cases of diagnosed tuberculosis that present to health facilities. We had the opportunity to measure glycaemia alongside prevalent tuberculosis...
December 5, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27918526/mycobacterium-tuberculosis-esxh-inhibits-escrt-dependent-cd4-t-cell-activation
#19
Cynthia Portal-Celhay, JoAnn M Tufariello, Smita Srivastava, Aleena Zahra, Thais Klevorn, Patricia S Grace, Alka Mehra, Heidi S Park, Joel D Ernst, William R Jacobs, Jennifer A Philips
Mycobacterium tuberculosis (Mtb) establishes a persistent infection, despite inducing antigen-specific T-cell responses. Although T cells arrive at the site of infection, they do not provide sterilizing immunity. The molecular basis of how Mtb impairs T-cell function is not clear. Mtb has been reported to block major histocompatibility complex class II (MHC-II) antigen presentation; however, no bacterial effector or host-cell target mediating this effect has been identified. We recently found that Mtb EsxH, which is secreted by the Esx-3 type VII secretion system, directly inhibits the endosomal sorting complex required for transport (ESCRT) machinery...
December 5, 2016: Nature Microbiology
https://www.readbyqxmd.com/read/27917631/-15-years-experience-with-biological-therapy-of-inflammatory-rheumatic-diseases-in-czech-national-register-attra
#20
Karel Pavelka, Liliana Šedová, Karel Hejduk, Ladislav Dušek
The publication is summarizing application of biological DMARDs in autoimmune inflammatory rheumatic diseases.Up to now conventional therapy, which for example in rheumatoid arthritis was application of methotrexate (MTx) in combination with glucocorticoids, was effective, but the remission as a target was achieved in small proportion of patients and also there was little effect on structural progression of diseases. Biological therapy was great advance because response was achieved in ¾ patients who failed MTx...
2016: Casopís Lékar̆ů C̆eských
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