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extrapulmonary tuberculosis

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https://www.readbyqxmd.com/read/29452616/tuberculosis
#1
REVIEW
Alfred O Ankrah, Andor W J M Glaudemans, Alex Maes, Christophe Van de Wiele, Rudi A J O Dierckx, Mariza Vorster, Mike M Sathekge
Tuberculosis (TB) is currently the world's leading cause of infectious mortality. Imaging plays an important role in the management of this disease. The complex immune response of the human body to Mycobacterium tuberculosis results in a wide array of clinical manifestations, making clinical and radiological diagnosis challenging. 18 F-FDG-PET/CT is very sensitive in the early detection of TB in most parts of the body; however, the lack of specificity is a major limitation. 18 F-FDG-PET/CT images the whole body and provides a pre-therapeutic metabolic map of the infection, enabling clinicians to accurately assess the burden of disease...
March 2018: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/29451594/nontuberculous-mycobacteria-in-milk-from-positive-cows-in-the-intradermal-comparative-cervical-tuberculin-test-implications-for-human-tuberculosis-infections
#2
Carmen Alicia Daza Bolaños, Marília Masello Junqueira Franco, Antonio Francisco Souza Filho, Cássia Yumi Ikuta, Edith Mariela Burbano-Rosero, José Soares Ferreira Neto, Marcos Bryan Heinemann, Rodrigo Garcia Motta, Carolina Lechinski de Paula, Amanda Bonalume Cordeiro de Morais, Simony Trevizan Guerra, Ana Carolina Alves, Fernando José Paganini Listoni, Márcio Garcia Ribeiro
Although the tuberculin test represents the main in vivo diagnostic method used in the control and eradication of bovine tuberculosis, few studies have focused on the identification of mycobacteria in the milk from cows positive to the tuberculin test. The aim of this study was to identify Mycobacterium species in milk samples from cows positive to the comparative intradermal test. Milk samples from 142 cows positive to the comparative intradermal test carried out in 4,766 animals were aseptically collected, cultivated on Lowenstein-Jensen and Stonebrink media and incubated for up to 90 days...
2018: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/29444723/evaluation-of-the-xpert-mtb-rif-performance-on-tissues-potential-impact-on-airborne-infection-isolation-at-a-tertiary-cancer-care-center
#3
Tracy McMillen, Shauna C Usiak, Liang Hua Chen, Luz Gomez, Peter Ntiamoah, Meera R Hameed, Indre Budvytiene, Niaz Banaei, Mini Kamboj, N Esther Babady
OBJECTIVES In this study, we sought to evaluate the performance of the Xpert MTB/RIF (Cepheid) assay for the detection of Mycobacterium tuberculosis (MTB) complex DNA on fresh and formalin-fixed, paraffin-embedded (FFPE) tissue specimens from oncology patients in an area with a low prevalence of tuberculosis. We also aimed to retrospectively assess the potential impact of Xpert MTB/RIF on the duration of airborne infection isolation (AII). SETTING A 473-bed, tertiary-care cancer center in New York City. DESIGN A total of 203 tissue samples (101 FFPE and 102 fresh) were tested using Xpert MTB/RIF, including 133 pulmonary tissue samples (65...
February 15, 2018: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29438163/the-interplay-between-tuberculosis-and-systemic-lupus-erythematosus
#4
Gustavo Guimarães Moreira Balbi, Francinne Machado-Ribeiro, Cláudia D L Marques, Flávio Signorelli, Roger Abramino Levy
PURPOSE OF REVIEW: Tuberculosis (TB) is a millenarian chronic infection and, yet, remains a major global health problem. The interaction between systemic lupus erythematosus (SLE) and TB is complex, as one seems to be a risk factor for the development of the other. SLE patients are more likely to develop TB, that is more frequently extrapulmonary, with more extensive pulmonary involvement, and with a higher relapse rate. RECENT FINDINGS: Different studies suggest that TB is more prevalent in SLE patients and that TB may actually be a risk factor for the development of the disease...
February 12, 2018: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/29437679/tuberculous-osteomyelitis-of-the-wrist-presenting-as-a-monoarthritis-syndrome
#5
Maria Juliana Lopes, Inês Furtado, Mariana Brandão, Fátima Farinha
Osteoarticular tuberculosis is the third most frequent location of tuberculosis after the lung and lymph nodes, accounting for approximately 10%-20% of all cases of extrapulmonary disease. Tuberculosis of the hand and wrist is the rarest osteoarticular location after the shoulder. The authors report the case of a 50-year-old woman without medical history who was diagnosed with isolated tuberculosis of the wrist presenting as monarthritis. The diagnosis was confirmed by histopathological and microbiological examination...
February 6, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29424965/prevalence-and-risk-factors-of-drug-resistant-extrapulmonary-tuberculosis
#6
Viboon Boonsarngsuk, Khattiya Mangkang, Pitak Santinirand
BACKGROUND: Physicians are usually aware of the occurrence of drug-resistant (DR) pulmonary tuberculosis (PTB), but lack concern about DR-extrapulmonary TB (EPTB). Data regarding the prevalence and risk factors of DR-EPTB remain limited. OBJECTIVES: To determine the prevalence and risk factors of DR-EPTB. METHODS: A retrospective study was performed in patients who had culture-proven Mycobacterium tuberculosis (MTB) from various specimens between January 2013 and December 2015...
February 9, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29424197/pregabalin-induced-first-degree-atrioventricular-block-in-a-young-patient-treated-for-pain-from-extrapulmonary-tuberculosis
#7
Alessandra Schiavo, Francesca M Stagnaro, Andrea Salzano, Alberto M Marra, Emanuele Bobbio, Pietro Valente, Simona Grassi, Martina Miniero, Michele Arcopinto, Margherita Matarazzo, Raffaele Napoli, Antonio Cittadini
Pregabalin, widely used in the treatment of several pain disorders, is usually well tolerated. Uncommonly, the drug may induce cardiac side effects, rarely prolongation of the PR interval. The latter has never been described in patients with healthy heart or normal renal function. We characterize a unique case of a young man with extrapulmonary tuberculosis and no detectable or known cardiac or kidney diseases, treated with pregabalin to control the severe pain due to the involvement of the spinal cord by the tuberculosis, showing an atrioventricular (AV) block due to pregabalin administration...
September 28, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/29422802/efficacy-and-safety-of-the-adalimumab-biosimilar-exemptia-as-induction-therapy-in-moderate-to-severe-ulcerative-colitis
#8
Vandana Midha, Ramit Mahajan, Varun Mehta, Vikram Narang, Arshdeep Singh, Kirandeep Kaur, Ajit Sood
Background/Aims: Data on the efficacy and safety of the adalimumab biosimilar Exemptia are limited. Methods: Patients with moderate-to-severe active steroid-refractory ulcerative colitis (UC) treated at Dayanand Medical College and Hospital, India were offered cyclosporine A, biologicals or biosimilars, or surgery. A retrospective analysis was conducted on patients who were treated with the adalimumab biosimilar, Exemptia. These patients were administered an induction dosing schedule of 160 mg Exemptia at week 0, 80 mg at week 2, and then 40 mg every other week from week 4 to 8...
January 2018: Intestinal Research
https://www.readbyqxmd.com/read/29422032/risk-factors-associated-with-cluster-size-of-mycobacterium-tuberculosis-mtb-of-different-rflp-lineages-in-brazil
#9
Renata Lyrio Peres, Solange Alves Vinhas, Fabíola Karla Correa Ribeiro, Moisés Palaci, Thiago Nascimento do Prado, Bárbara Reis-Santos, Eliana Zandonade, Philip Noel Suffys, Jonathan E Golub, Lee W Riley, Ethel Leonor Maciel
BACKGROUND: Tuberculosis (TB) transmission is influenced by patient-related risk, environment and bacteriological factors. We determined the risk factors associated with cluster size of IS6110 RFLP based genotypes of Mycobacterium tuberculosis (Mtb) isolates from Vitoria, Espirito Santo, Brazil. METHODS: Cross-sectional study of new TB cases identified in the metropolitan area of Vitoria, Brazil between 2000 and 2010. Mtb isolates were genotyped by the IS6110 RFLP, spoligotyping and RDRio...
February 8, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29417038/miliary-tuberculosis-with-pulmonary-and-extrapulmonary-component-complicated-with-acute-respiratory-distress-syndrome
#10
Bhupen Barman, Iadarilang Tiewsoh, Kyrshanlang G Lynrah, Baphira Wankhar, Taso Beyong, Neel Kanth Issar
Miliary tuberculosis results from the lymphohematogenous spread of the tubercle bacilli to the vascular beds in the lungs and other organs. Diagnosis is made by clinical judgment and chest X-ray showing miliary mottling of the lung fields. Another imaging study like computed tomography imaging of the lungs and abdomen can also be supportive in diagnosing miliary tuberculosis. We present a case of miliary tuberculosis in an immunocompetent young male with atypical manifestation of a left-sided pleural effusion and a life-threatening complication of acute respiratory distress syndrome during hospital stay which required noninvasive mechanical ventilation and steroids therapy, along with antitubercular medication...
July 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29408360/evaluation-of-the-xpert-mtb-rif-assay-for-diagnosis-of-smear-negative-pulmonary-and-extrapulmonary-tuberculosis-in-madagascar
#11
R Rakotoarivelo, J Ambrosioni, V Rasolofo, M Raberahona, N Rakotosamimanana, R Andrianasolo, R Ramanampamonjy, M Tiaray, J Razafimahefa, J Rakotoson, M Randria, F Bonnet, A Calmy
SETTING: A tertiary care hospital in Madagascar. OBJECTIVE: To evaluate the feasibility of the implementation of a commercial rapid molecular diagnosis test (Xpert MTB/RIF) for the routine diagnosis of smear-negative or extra-pulmonary tuberculosis (TB) and its diagnostic accuracy, and to assess HIV prevalence in this population. DESIGN: Prospective cohort study of all consecutive cases with suspected smear-negative and/or extra-pulmonary TB over a two-year period...
February 2, 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29392579/tuberculosis-of-the-urogenital-tract-in-adults-in-a-tertiary-referral-center
#12
Jacek Jagodziński, Tadeusz M Zielonka, Krystyna Peplińska, Katarzyna Życińska
The genitourinary system is the main location of extrapulmonary tuberculosis. In Poland, it occupies the third place after tuberculosis of the pleura and lymph nodes. The aim of this study was to evaluate the prevalence and characteristics of tuberculosis in the urogenital tract in adult patients in a tertiary referral center in the years 2007-2015. The retrospective study included 87 patients, 42 women and 45 men. The average age was 62 ± 15 years. Changes in the urinary tract were diagnosed in 91% of women and 64% of men...
February 2, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29388150/rv0646c-an-esterase-from-m-tuberculosis-up-regulates-the-host-immune-response-in-thp-1-macrophages-cells
#13
Ruchi Rastogi, Arbind Kumar, Jagdeep Kaur, Varinder Saini, Jasbinder Kaur, Archana Bhatnagar
The genome sequence of Mycobacterium tuberculosis revealed the presence of several hydrolases involved in lipid metabolism including the members of Lip gene family. Rv0646c (LipG) is one of them. It is annotated as putative esterase/lipase because of the presence of consensus sequence 'GXSXG.' The gene was cloned, expressed, and purified in E. coli. It showed 22 U/mg specific activity with pNP-butyrate as a preferred substrate. However, it actively worked on substrates with short chain. The enzyme was optimally active at 50 °C/pH 8...
January 31, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29386980/rare-clinical-presentation-of-tuberculous-meningitis-a-case-report
#14
Jian Liang Tan, Sudzilla Nordin, Alwi Muhd Besari
Introduction: Tuberculosis is the second leading cause of death under the category of infectious diseases, after the human immunodeficiency virus (HIV). Tuberculous meningitis (TBM) constitutes about 5% of all extrapulmonary disease worldwide. This report describes a case of Tuberculous meningitis with rare presentation in a 28-year-old woman, who was treated based on a collection of her social background, clinical findings and Multiplex PCR of tuberculosis. Case presentation: A 28-year-old Malay woman with no significant medical history presented to HUSM with one month history of on and off fever, two weeks history of generalised limbs weakness and one week history of dysphagia...
October 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/29386725/tubercular-spondylitis-a-review-of-mri-findings-in-80-cases
#15
Vinay K Maurya, Pankaj Sharma, R Ravikumar, J Debnath, Vivek Sharma, Satyabrat Srikumar, Mukul Bhatia
Background: Tuberculosis of spine is known as tubercular spondylitis or Pott's spine. The vertebral involvement leads to various pathological processes such as abscess formation, cord compression, and gibbus deformity. Magnetic Resonance Imaging (MRI) is the imaging modality of choice which not only helps in diagnosing a case of Pott's spine but also gives valuable information about its impending complications, thereby, aiding in management of these cases. Methods: In this study, MRI scans of 80 proven cases of tubercular spondylitis were studied retrospectively for the various pathological processes affecting the spine...
January 2018: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/29362230/contrasting-function-of-structured-n-terminal-and-unstructured-c-terminal-segments-of-mycobacterium-tuberculosis-ppe37-protein
#16
Javeed Ahmad, Aisha Farhana, Rita Pancsa, Simran Kaur Arora, Alagiri Srinivasan, Anil Kumar Tyagi, Madan Mohan Babu, Nasreen Zafar Ehtesham, Seyed Ehtesham Hasnain
Pathogens frequently employ eukaryotic linear motif (ELM)-rich intrinsically disordered proteins (IDPs) to perturb and hijack host cell networks for a productive infection. Mycobacterium tuberculosis has a relatively high percentage of IDPs in its proteome, the significance of which is not known. The Mycobacterium-specific PE-PPE protein family has several members with unusually high levels of structural disorder and disorder-promoting Ala/Gly residues. PPE37 protein, a member of this family, carries an N-terminal PPE domain capable of iron binding, two transmembrane domains, and a disordered C-terminal segment harboring ELMs and a eukaryotic nuclear localization signal (NLS)...
January 23, 2018: MBio
https://www.readbyqxmd.com/read/29354409/video-assisted-thoracoscopic-surgery-for-drainage-of-dorsal-paravertebral-abscess
#17
Raju Vaishya, Vipul Vijay, Amit K Agarwal
Tuberculosis of the spine is the second most common extrapulmonary presentation of the disease and is associated with significant morbidity. The drainage of the abscess may be needed in patients who fail to respond to medical treatment and present with a significant or deteriorating neurologic status. The dorsal spine gives a unique opportunity for decompression alone as it is supported by the rib cage, decreasing the chances of collapse. Drainage of the abscess in the dorsal spine usually needs an open thoracotomy...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29348166/clinical-evaluation-of-a-blood-assay-to-diagnose-paucibacillary-tuberculosis-via-bacterial-antigens
#18
Chang Liu, Christopher J Lyon, Yang Bu, Zaian Deng, Elisabetta Walters, Yan Li, Liqun Zhang, Anneke C Hesseling, Edward A Graviss, Ye Hu
BACKGROUND: The diagnosis of active tuberculosis (TB)10 cases primarily relies on methods that detect Mycobacterium tuberculosis (Mtb) bacilli or their DNA in patient samples (e.g., mycobacterial culture and Xpert MTB/RIF assays), but these tests have low clinical sensitivity for patients with paucibacillary TB disease. Our goal was to evaluate the clinical performance of a newly developed assay that can rapidly diagnose active TB cases by direct detection of Mtb-derived antigens in patients' blood samples...
January 18, 2018: Clinical Chemistry
https://www.readbyqxmd.com/read/29334827/left-ventricular-pseudoaneurysms-in-children-a-case-series
#19
Prasad Sreevathsa, Duvuru Ram, Hemachandren Munuswamy, Davulury Sri Satyavathi, Bathal Vedagiri Sai Chandran
Left ventricular pseudoaneurysms are very rare in children. In children, left ventricular pseudoaneurysms can occur following infection, trauma, ischemia, or cardiac surgery. The authors report a series of three cases treated at our hospital with two of the cases having a history of extrapulmonary tuberculosis and one patient with a history of varicella zoster infection.
January 1, 2018: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29334373/prevention-of-tuberculosis-in-rhesus-macaques-by-a-cytomegalovirus-based-vaccine
#20
Scott G Hansen, Daniel E Zak, Guangwu Xu, Julia C Ford, Emily E Marshall, Daniel Malouli, Roxanne M Gilbride, Colette M Hughes, Abigail B Ventura, Emily Ainslie, Kurt T Randall, Andrea N Selseth, Parker Rundstrom, Lauren Herlache, Matthew S Lewis, Haesun Park, Shannon L Planer, John M Turner, Miranda Fischer, Christina Armstrong, Robert C Zweig, Joseph Valvo, Jackie M Braun, Smitha Shankar, Lenette Lu, Andrew W Sylwester, Alfred W Legasse, Martin Messerle, Michael A Jarvis, Lynn M Amon, Alan Aderem, Galit Alter, Dominick J Laddy, Michele Stone, Aurelio Bonavia, Thomas G Evans, Michael K Axthelm, Klaus Früh, Paul T Edlefsen, Louis J Picker
Despite widespread use of the bacille Calmette-Guérin (BCG) vaccine, tuberculosis (TB) remains a leading cause of global mortality from a single infectious agent (Mycobacterium tuberculosis or Mtb). Here, over two independent Mtb challenge studies, we demonstrate that subcutaneous vaccination of rhesus macaques (RMs) with rhesus cytomegalovirus vectors encoding Mtb antigen inserts (hereafter referred to as RhCMV/TB)-which elicit and maintain highly effector-differentiated, circulating and tissue-resident Mtb-specific CD4+ and CD8+ memory T cell responses-can reduce the overall (pulmonary and extrapulmonary) extent of Mtb infection and disease by 68%, as compared to that in unvaccinated controls, after intrabronchial challenge with the Erdman strain of Mtb at ∼1 year after the first vaccination...
January 15, 2018: Nature Medicine
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