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https://www.readbyqxmd.com/read/29780139/methotrexate-associated-intravascular-large-b-cell-lymphoma-in-a-patient-with-rheumatoid-arthritis-a-very-rare-case
#1
Masao Hagihara, Toru Mese, Shin Ohara, Jian Hua, Shiro Ide, Morihiro Inoue
we herein report a rare case of methotrexate (MTX)-associated intravascular large B-cell lymphoma (IVLBCL) in a man with rheumatoid arthritis. Two episodes of a fever of unknown origin accompanied by elevated levels of serum lactate dehydrogenase and the soluble interleukin-2 receptor occurred within a year, so the patient was suspected of having an MTX-associated lymphoproliferative disorder. His clinical symptoms resolved after the cessation of MTX. However, after treatment with iguratimod, another disease-modified anti-rheumatic drug, markedly similar symptoms recurred, and random skin biopsies resulted in a diagnosis of IVLBCL...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29776655/diagnosis-of-vasculitis-with-18-f-fdg-pet-ct-study-in-patient-with-fever-of-unknown-origin
#2
Juan Jose Martin-Marcuartu, Jose Antonio Lojo-Ramirez, Victor Manuel Pachón-Garrudo, José Manuel Jimenez-Hoyuela
No abstract text is available yet for this article.
May 15, 2018: Medicina Clínica
https://www.readbyqxmd.com/read/29776384/competence-of-mosquitoes-native-to-the-united-kingdom-to-support-replication-and-transmission-of-rift-valley-fever-virus
#3
Sarah Lumley, Luis M Hernández-Triana, Daniel L Horton, Maria Del Mar Fernández de Marco, Jolyon M Medlock, Roger Hewson, Anthony R Fooks, Nicholas Johnson
BACKGROUND: Rift Valley fever phlebovirus (RVFV) is a mosquito-borne arbovirus causing severe disease in humans and livestock. It is endemic in Africa and spread to the Arabian Peninsula in 2000 raising concerns it could emerge in Europe. The ability of temperate mosquitoes from the United Kingdom (UK) to support replication and transmission of RVFV is unknown. METHODS: In this study, two colonised lines of Culex pipiens, wild-caught Aedes detritus and Ae. rusticus from the UK were infected with pathogenic strains of RVFV to assess their vector competence...
May 18, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29775082/profile-of-renal-aa-amyloidosis-in-older-and-younger-individuals-a-single-centre-experience
#4
Siyar Erdogmus, Zeynep Kendi Celebi, Serkan Akturk, Gizem Kumru, Neval Duman, Kenan Ates, Sehsuvar Erturk, Gokhan Nergizoglu, Sim Kutlay, Sule Sengul, Kenan Keven
OBJECTIVE: In epidemiological studies of amyloid A (AA) amyloidosis from Turkey, the most frequently cause was familial Mediterranean fever (FMF) and it occurs generally in young age population. However, there are no sufficient data regarding aetiology, clinical presentation and prognosis of renal AA amyloidosis in advanced age patients. In this study, we aimed to investigate demographic, clinical presentation, aetiology and outcomes of adults aged 60 years or older patients with biopsy-proven renal AA amyloidosis...
May 18, 2018: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/29774477/cefepime-vs-cefoperazone-sulbactam-in-combination-with-amikacin-as-empirical-antibiotic-therapy-in-febrile-neutropenia
#5
M Ponraj, Biswajit Dubashi, B H Harish, S Kayal, S L Cyriac, Jogamaya Pattnaik, K Ranjith, Unni S Pillai, Naresh Jadhav, Kiran K Matta, Jagdeep Singh, Esha Jaffa, Bhanu Prakash
PURPOSE: Beta lactams are standard empirical therapy for febrile neutropenia (FN). The aim of this study was to evaluate the efficacy and safety of cefepime monotherapy compared with cefoperazone/sulbactam plus amikacin (CS + A) for empirical treatment of high risk FN. METHODS: One hundred seventy-five patients with 336 FN episodes were randomized to receive either cefepime (2 g q8h for adults and 50 mg/kg q8h for children) or CS (2 g q8h for adults and 50 mg/kg q8h for children) plus amikacin (15 mg/kg once a day)...
May 17, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29774460/multi-layer-cube-sampling-for-liver-boundary-detection-in-pet-ct-images
#6
Xinxin Liu, Jian Yang, Shuang Song, Hong Song, Danni Ai, Jianjun Zhu, Yurong Jiang, Yongtian Wang
Liver metabolic information is considered as a crucial diagnostic marker for the diagnosis of fever of unknown origin, and liver recognition is the basis of automatic diagnosis of metabolic information extraction. However, the poor quality of PET and CT images is a challenge for information extraction and target recognition in PET-CT images. The existing detection method cannot meet the requirement of liver recognition in PET-CT images, which is the key problem in the big data analysis of PET-CT images. A novel texture feature descriptor called multi-layer cube sampling (MLCS) is developed for liver boundary detection in low-dose CT and PET images...
May 17, 2018: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/29773090/vsita-an-improved-approach-of-target-amplification-in-the-identification-of-viral-pathogens
#7
Yi Zhang, Chen Zhang, Bo Li, Yang Li, Xiao Zhou He, Acher Li, Wei Wu, Su Xia Duan, Fang Zhou Qiu, Ji Wang, Xin Xin Shen, Meng Jie Yang, De Xin Li, Xue Jun Ma
OBJECTIVE: Unbiased next generation sequencing (NGS) is susceptible to interference from host or environmental sequences. Consequently, background depletion and virome enrichment techniques are usually needed for clinical samples where viral load is much lower than background sequences. METHODS: A viral Sequence Independent Targeted Amplification (VSITA) approach using a set of non-ribosomal and virus-enriched octamers (V8) was developed and compared with traditionally used random hexamers (N6)...
April 2018: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/29771344/prevalence-of-rickettsia-species-rickettsiales-rickettsiaceae-in-dermacentor-variabilis-ticks-acari-ixodidae-in-north-carolina
#8
Madhavi L Kakumanu, Loganathan Ponnusamy, Haley Sutton, Steven R Meshnick, William L Nicholson, Charles S Apperson
The American dog tick, Dermacentor variabilis (Say), is a vector of spotted fever group (SFG) rickettsiae, including Rickettsia rickettsii the causative organism of Rocky Mountain spotted fever (RMSF). In North Carolina, SFG rickettsioses (including RMSF) are a leading cause of tick-borne illness. Knowledge of the infection rate and geographic distribution of D. variabilis ticks infected with Rickettsia spp. provides information on the spatial distribution of public health risk. Accordingly, we extracted genomic DNA from adult D...
May 16, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29771320/immunoglobulin-profiling-identifies-unique-signatures-in-patients-with-kawasaki-disease-during-intravenous-immunoglobulin-treatment
#9
Tai-Ming Ko, Kazuma Kiyotani, Jeng-Sheng Chang, Jae-Hyun Park, Poh Yin Yew, Yuan-Tsong Chen, Jer-Yuarn Wu, Yusuke Nakamura
Identifying the causes of high fever syndromes such as Kawasaki disease (KD) remains challenging. To investigate pathogen exposure signatures in suspected pathogen-mediated diseases like KD, we performed immunoglobulin (Ig) profiling using a next-generation sequencing method. After intravenous Ig (IVIG) treatment, we observed disappearance of clonally expanded IgM clonotypes, which were dominantly observed in acute-phase patients. The complementary-determining region 3 (CDR3) sequences of dominant IgM clonotypes in acute-phase patients were commonly observed in other Ig isotypes...
May 16, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29769350/rab5-rab7-and-rab11-are-required-for-caveolae-dependent-endocytosis-of-classic-swine-fever-virus-in-porcine-alveolar-macrophages
#10
Yun-Na Zhang, Ya-Yun Liu, Fu-Chuan Xiao, Chun-Chun Liu, Xiao-Dong Liang, Jing Chen, Jing Zhou, Abdul Sattar Baloch, Lin Kan, Bin Zhou, Hua-Ji Qiu
The members of Flaviviridae utilize several endocytic pathways to enter a variety of host cells. Our previous work showed that classical swine fever virus (CSFV) enters porcine kidney (PK-15) cells through a clathrin-dependent pathway that requires Rab5 and Rab7. The entry mechanism for CSFV into other cell lines remains unclear, for instance, porcine alveolar macrophages (3D4/21 cells). More importantly, the trafficking of CSFV within endosomes controlled by Rab GTPases is unknown in 3D4/21 cells. In this study, entry and post-internalization of CSFV were analyzed using chemical inhibitors, RNA interference, and dominant negative (DN) mutants...
May 16, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29769105/ornamental-bromeliads-of-miami-dade-county-florida-are-important-breeding-sites-for-aedes-aegypti-diptera-culicidae
#11
André B B Wilke, Chalmers Vasquez, Paul J Mauriello, John C Beier
BACKGROUND: A major public health concern is the emergence and geographical spread of vector-borne diseases such as Zika and yellow fever. Ornamental bromeliads retaining water in their leaf axils represent potential breeding sites for mosquitoes. As the role of ornamental bromeliads in breeding Aedes aegypti in Miami-Dade County, Florida is unknown, we hypothesize that ornamental bromeliads are important breeding sites for Ae. aegypti. Our objective was to survey bromeliads in areas with high densities of adult Ae...
May 17, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29768655/let-7e-inhibits-tnf-%C3%AE-expression-by-targeting-the-methyl-transferase-ezh2-in-denv2-infected-thp-1-cells
#12
Yingke Zhang, Qianqian Zhang, Lian Gui, Yan Cai, Xiaohong Deng, Cheukfai Li, Qi Guo, Xiaoshun He, Junqi Huang
Tumor necrosis factor α (TNFα), an important inflammatory cytokine, is associated with dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS), a severe pathological manifestation of dengue virus (DENV) infection. However, the regulatory mechanism of microRNA on TNFα is currently unknown. Our study showed that the TNFα expression increased immediately and then later decreased, while a marked increase for the miRNA let-7e was detected in dengue virus type 2 (DENV2)-infected peripheral blood mononuclear cells (PBMCs)...
May 16, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29760928/aneurysmal-subarachnoid-hemorrhage-intensive-care-for-improving-neurological-outcome
#13
REVIEW
Tomoya Okazaki, Yasuhiro Kuroda
Background: Aneurysmal subarachnoid hemorrhage is a life-threatening disease requiring neurocritical care. Delayed cerebral ischemia is a well-known complication that contributes to unfavorable neurological outcomes. Cerebral vasospasm has been thought to be the main cause of delayed cerebral ischemia, and although several studies were able to decrease cerebral vasospasm, none showed improved neurological outcomes. Our target is not cerebral vasospasm but improving neurological outcomes...
2018: Journal of Intensive Care
https://www.readbyqxmd.com/read/29759945/diagnosis-of-local-hepatic-tuberculosis-through-next-generation-sequencing-smarter-faster-and-better
#14
Jing-Wen Ai, Yang Li, Qi Cheng, Peng Cui, Hong-Long Wu, Bin Xu, Wen-Hong Zhang
BACKGROUND: A 45-year-old man who complained of continuous fever and multiple hepatic masses was admitted to our hospital. Repeated MRI manifestations were similar while each radiological report suggested contradictory diagnosis pointing to infections or malignances respectively. Pathologic examination of the liver tissue showed no direct evidence of either infections or tumor. We performed next-generation sequencing on the liver tissue and peripheral blood to further investigate the possible etiology...
May 11, 2018: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/29757506/controversies-over-the-scientific-name-of-the-principal-mosquito-vector-of-yellow-fever-virus-expediency-versus-validity
#15
Alan N Clements, Ralph E Harbach
The history of the scientific name of the yellow fever mosquito, the vector of yellow fever virus, ranges from 1757 to the early twenty-first century. In his 1757 work Iter Palaestinum, Frederic Hasselquist gave the name Culex aegypti to a mosquito species responsible for fierce attacks on humans in Egypt. That name was never later ascribed to Hasselquist as author, but to Linnaeus, although the name never appeared in any of Linnaeus' publications. In Cuba, at the end of the nineteenth century, the vector of the unknown infectious agent of yellow fever was first identified as Culex mosquito and later more validly named Stegomyia fasciata...
June 2018: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/29755396/overlapping-autoimmune-syndromes-in-patients-with-glial-fibrillary-acidic-protein-antibodies
#16
Xinguang Yang, Huiming Xu, Meilin Ding, Qingmei Huang, Baikeng Chen, Huacai Yang, Tianni Liu, Youming Long, Cong Gao
Background: Glial fibrillary acidic protein (GFAP) astrocytopathy, an autoimmune central nervous system disorder with a specific GFAP-IgG, often coexists with other antibodies. Objective: The aim of this article was to study overlapping syndromes in autoimmune GFAP astrocytopathy. Methods: Antibody was detected by indirect immunofluorescence assay. Patient data were analyzed retrospectively. Results: Thirty patients with positive GFAP-IgG were included, of whom 10 were defined as overlapping syndrome...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29755068/-tuberculous-pleurisy-diagnosed-by-thoracoscopic-lung-biopsy
#17
Jun Yamamoto, Miho Nishiura, Takanori Ohata, Ho Namkoong, Shinji Sakaguchi, Fumitake Saito, Hideki Yuki
A 44-year-old woman was referred to our hospital with pleural effusion and unknown fever. Mycobacterium tuberculosis was not detected by culture of pleural effusion and sputum and gastric fluid. Pleural fluid was serous and exudative, and cytological examination showed no malignant cells. Computed tomography revealed a little pleural thickening of the right middle lobe and massive pleural effusion. As acute pleurisy was suspected based on the findings of imaging studies, thoracoscopy was performed under general anesthesia...
March 2018: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29751773/an-unusual-finding-in-a-desmoid-type-fibromatosis-of-the-pancreas-a-case-report-and-review-of-the-literature
#18
Joseph Clarence Torres, Chen Xin
BACKGROUND: Desmoid-type fibromatoses are rare benign and fibrous tumors that account for approximately 0.03% of total neoplasms. Within this category of neoplasms, pancreatic desmoid-type fibromatosis is an extremely rare subgroup, accounting for approximately 5% of desmoid-type fibromatoses. Although the etiology is unknown, some risk factors include trauma, surgery, family history of desmoid tumor, pregnancy, use of contraceptives, genetic mutation, and familial adenomatous polyposis or Gardner syndrome...
May 12, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29750825/cyclamen-europaeum-extract-for-acute-sinusitis
#19
REVIEW
Anca Zalmanovici Trestioreanu, Ankur Barua, Barak Pertzov
BACKGROUND: Acute sinusitis is a common reason for primary care encounters. It causes significant symptoms including facial pain, congested nose, headache, thick nasal mucus, fever, and cough and often results in time off work or school. Sinusitis treatment focuses on eliminating causative factors and controlling the inflammatory and infectious components. The frozen, dried, natural fluid extract of the Cyclamen europaeum plant delivered intranasally is thought to have beneficial effects in relieving congestion by facilitating nasal drainage, and has an anti-inflammatory effect...
May 11, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29742054/overview-of-fever-of-unknown-origin-in-adult-and-paediatric-patients
#20
REVIEW
Luciano Attard, Marina Tadolini, Domenico Umberto De Rose, Marco Cattalini
Fever of unknown origin (FUO) can be caused by a wide group of diseases, and can include both benign and serious conditions. Since the first definition of FUO in the early 1960's, several updates to the definition, diagnostic and therapeutic approaches have been proposed. This review outlines a case report of an elderly Italian male patient with high fever and migrating arthralgia who underwent many procedures and treatments before a final diagnosis of Adult-onset Still's disease was achieved. This case report highlights the difficulties in diagnosing certain causes of FUO that requires a very high index of suspicion...
January 2018: Clinical and Experimental Rheumatology
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