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https://www.readbyqxmd.com/read/28634489/a-study-of-patients-with-primary-mediastinal-germ-cell-tumors-treated-using-multimodal-therapy
#1
Yutaro Tanaka, Takehiko Okamura, Takashi Nagai, Daichi Kobayashi, Takahiro Kobayashi, Hidetoshi Akita, Yoshinobu Moritoki, Takahiro Yasui
OBJECTIVES: Primary mediastinal germ cell tumors (PMGCTs) are rare, which often makes them difficult to treat. Herein, we examined patients with PMGCTs who underwent multimodal treatment. METHODS: We examined 6 patients (median age: 25 years, range: 19-27 years) with PMGCTs who underwent multimodal treatment between April 2001 and March 2015. Three patients had seminomas, 2 patients had yolk sac tumors, and 1 patient had choriocarcinoma. The median observation period was 32...
2017: Advances in Urology
https://www.readbyqxmd.com/read/28633612/clinical-features-and-treatment-outcomes-in-large-granular-lymphocytic-leukemia-lgll
#2
Srinivasa R Sanikommu, Michael J Clemente, Peter Chomczynski, Manuel G Afable, Andres Jerez, Swapna Thota, Bhumika Patel, Cassandra Hirsch, Aziz Nazha, John Desamito, Alan Lichtin, Brad Pohlman, Mikkael A Sekeres, Tomas Radivoyevitch, Jaroslaw P Maciejewski
Large granular lymphocytic leukemia (LGLL) represents a clonal/oligoclonal lymphoproliferation of cytotoxic T and natural killer cells often associated with STAT3 mutations. When symptomatic, due to mostly anemia and neutropenia, therapy choices are often empirically-based, because only few clinical trials and systematic studies have been performed. Incorporating new molecular and flow cytometry parameters, we identified 204 patients fulfilling uniform criteria for LGLL diagnoses and analyzed clinical course with median follow-up of 36 months, including responses to treatments...
June 20, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28632322/reduced-intensity-conditioning-allogeneic-transplantation-after-salvage-treatment-with-dt-pace-in-myeloma-patients-relapsing-early-after-autologous-transplant
#3
K Randall, M Kaparou, E Xenou, S Paneesha, B Kishore, A Kanellopoulos, R Lovell, K Holder, J Suhr, L Baker, L Ryan, E Nikolousis
OBJECTIVE: In this retrospective single center study we have looked into the transplant outcomes(overall survival OS, progression free survival PFS,GvHD) and the role of chimerism, DLI and pre-transplant characteristics in patients who had a suboptimal response (<12 months)to an autologous stem cell transplant for myeloma and underwent an Alemtuzumab T-cell depleted reduced intensity allograft(RIC). METHODS: 24 patients were salvaged with 2 cycles of DT-PACE and received a RIC transplant with Fludarabine, Melphalan and Alemtuzumab...
June 20, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28631160/role-of-imaging-in-the-follow-up-of-t2-t3-glottic-cancer-treated-by-transoral-laser-microsurgery
#4
Filippo Marchi, Cesare Piazza, Marco Ravanelli, Giovanna Gaggero, Giampiero Parrinello, Alberto Paderno, Pietro Perotti, Marta Filauro, Roberto Maroldi, Giorgio Peretti
An unblinded retrospective analysis of prospectively collected data was carried out on 138 patients affected by glottic pT2 and selected pT3 squamous cell carcinomas (SCC) treated by transoral laser microsurgery (TLM). The entire cohort was divided into two groups: Group A included 78 "high-risk" patients (pT2 with impaired vocal cord mobility, pT3 for anterior paraglottic and/or pre-epiglottic space invasion, presence of angioembolization, perineural spread, and positive lymph nodes in the neck) who underwent postoperative surveillance by endoscopy and imaging (CT or MR), while Group B included 60 "low-risk" patients (pT2 with absence of the above-mentioned features) who underwent endoscopic follow-up alone...
June 19, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28631135/long-term-clinical-benefit-from-salvage-egfr-tyrosine-kinase-inhibitors-in-advanced-non-small-cell-lung-cancer-patients-with-egfr-wild-type-tumors
#5
F Koinis, A Voutsina, A Kalikaki, A Koutsopoulos, E Lagoudaki, E Tsakalaki, E K Dermitzaki, E Kontopodis, A G Pallis, V Georgoulias, A Kotsakis
BACKGROUND: Erlotinib has been approved for the management of NSCLC patients after failure of the first or subsequent line of chemotherapy. Although the efficacy of erlotinib is clearly associated with the presence of EGFR mutations, there is a subset of patients with EGFR wild-type (EGFRwt) tumors who impressively respond. PATIENTS AND METHODS: Patients with EGFRwt NSCLC who received salvage (≥2nd line) treatment with erlotinib for a prolonged period (>6 months), were sought from the database of the Hellenic Oncology Research Group...
June 19, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28630126/a-key-enzyme-of-the-nad-salvage-pathway-in-thermus-thermophilus-characterization-of-nicotinamidase-and-the-impact-of-its-gene-deletion-at-high-temperatures
#6
Hironori Taniguchi, Sathidaphorn Sungwallek, Phatcharin Chotchuang, Kenji Okano, Kohsuke Honda
Nicotinamide adenine dinucleotide (NAD(+)) is a cofactor related to many cellular processes. This cofactor is known to be unstable, especially at high temperatures, where it chemically decomposes to nicotinamide and ADP-ribose. Bacteria, yeast, and higher organisms possess the salvage pathway for reconstructing NAD(+) from these decomposition products; however, the importance of the salvage pathway for survival is not well elucidated, except for in pathogens lacking the NAD(+)de novo synthesis pathway. Herein, we report the importance of the NAD(+) salvage pathway in the thermophilic bacterium Thermus thermophilus HB8 at high temperatures...
June 19, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28629697/increase-in-furfural-tolerance-by-combinatorial-overexpression-of-nad-salvage-pathway-enzymes-in-engineered-isobutanol-producing-e-coli
#7
Hun-Suk Song, Jong-Min Jeon, Hyun-Joong Kim, Shashi Kant Bhatia, Ganesan Sathiyanarayanan, Junyoung Kim, Ju Won Hong, Yoon Gi Hong, Kwon Young Choi, Yun-Gon Kim, Wooseong Kim, Yung-Hun Yang
To reduce the furfural toxicity for biochemical production in E. coli, a new strategy was successfully applied by supplying NAD(P)H through the nicotine amide salvage pathway. To alleviate the toxicity, nicotinamide salvage pathway genes were overexpressed in recombinant, isobutanol-producing E. coli. Gene expression of pncB and nadE respectively showed increased tolerance to furfural among these pathways. The combined expression of pncB and nadE was the most effective in increasing the tolerance of the cells to toxic aldehydes...
June 1, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28628279/acyclic-nucleoside-phosphonates-containing-9-deazahypoxanthine-and-a-5-membered-heterocycle-as-selective-inhibitors-of-plasmodial-6-oxopurine-phosphoribosyltransferases
#8
Martin Maxmilian Kaiser, Ondřej Baszczyňski, Dana Hocková, Lenka Poštová-Slavětínská, Martin Dračínský, Dianne T Keough, Luke W Guddat, Zlatko Janeba
Acyclic nucleoside phosphonates (ANPs) are an important class of therapeutic drugs that act as antiviral agents by inhibiting viral DNA polymerases and reverse transcriptases. ANPs containing a 6-oxopurine instead of 6-aminopurine or pyrimidine bases are inhibitors of the purine salvage enzyme, hypoxanthine-guanine-[xanthine]-phosphoribosyltransferase (HG[X]PRT). Such compounds, and their prodrugs, are able to arrest the growth of Plasmodium falciparum (Pf) in cell culture. A new series of ANPs has been synthesized and tested as inhibitors of human HGPRT, PfHGXPRT and Plasmodium vivax (Pv) HGPRT...
June 19, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28628276/acute-myeloid-leukaemia-relapsing-after-allogeneic-haematopoietic-stem-cell-transplantation-prognostic-factors-and-impact-of-initial-therapy-of-relapse
#9
Andrew B M Lim, Cameron Curley, Chun Yew Fong, Ian Bilmon, Ashanka Beligaswatte, Duncan Purtill, Bartlomiej Getta, Anne Maree Johnston, Tasman Armytage, Marnie Collins, Kate Mason, Katherine Fielding, Matthew Greenwood, John Gibson, Mark Hertzberg, Matthew Wright, Ian Lewis, John Moore, David Curtis, Jeff Szer, Glen Kennedy, David Ritchie
AIMS: We sought to determine factors associated with overall survival from relapse (OSR) of acute myeloid leukaemia (AML) after allogeneic haematopoietic stem cell transplantation (alloHSCT), and the effect of first salvage therapy and subsequent GVHD on OSR. METHODS: Data on 386 patients from nine Australian centres with relapsed AML post-alloHSCT were collected retrospectively. OSR was calculated using the Kaplan-Meier method. Univariate and multivariate analyses were conducted using the logrank test and proportional hazards modelling respectively, and a prognostic index for OSR was derived from multivariate modelling...
June 19, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28625299/managing-major-obstetric-haemorrhage-pharmacotherapy-and-transfusion
#10
REVIEW
Rachel Collis, Emilia Guasch
Major obstetric haemorrhage is a leading cause of maternal mortality. A prescriptive approach to early recognition and management is critical to improving outcomes. Uterine atony is the primary cause of post-partum haemorrhage. First-line prevention and treatment include the administration of uterine tonic agents; other conservative measures include uterine cavity tamponade and uterine compression sutures. Interventional radiology procedures have been used for both prophylaxis and treatment, but a hysterectomy may be necessary if conservative measures fail...
March 2017: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/28625098/endoprosthetic-replacement-versus-cement-spacer-in-reconstruction-of-proximal-humerus-after-tumor-resection-cost-and-benefits
#11
Awad Abdelmonem Rafalla, El Sayed Abdelhalim Abdullah
BACKGROUND: Proximal end of the humerus is a common site for both primary and metastatic bone tumors. Limb salvage with endoprosthetic replacement is the most common means of reconstruction, but it has been proved that cement spacer are more beneficial for inferior shoulder function. Thus, limb salvage can be replaced by cheaper spacers especially in poor societies. PATIENTS AND METHODS: This study included 20 patients, of whom 14 were female, with a mean age of 40...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28622960/treatment-of-peripheral-t-cell-lymphoma-in-community-settings
#12
Tatyana Feldman, Charles M Farber, Kelly Choi, Claudio Faria, Andre Goy, Jacqueline Connors, Dhakshila Paramanathan, Sukhi Kaur, Eric Schultz, Michael McGuire, Stuart L Goldberg
BACKGROUND: Peripheral T-cell lymphomas (PTCLs) represent a rare and heterogeneous group of malignancies that do not have consensus treatment recommendations. Strategies extrapolated from B-cell lymphoma have met with limited efficacy, although T-cell-specific salvage therapies have been recently developed. METHODS: To determine treatment patterns and associated outcomes in PTCL not otherwise specified (PTCL-NOS), anaplastic large T-cell lymphoma (ALCL), and angioimmunoblastic T-cell lymphoma (AITL), a retrospective analysis was undertaken at a large US community oncology network among patients treated between January 2010 and April 2015...
June 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28619740/gamma-delta-t-cell-lymphoma-of-skin-eye-and-brain-presenting-with-visual-loss
#13
Nicholas Jones, Adam Gibb, Luciane Irion, Sarah Coupland
A young man presented with rapid, predominantly right-sided visual loss with a background of multifocal skin lesions. Visual acuity was right hand movements, left 6/5 Snellen, deteriorating to 6/38. He showed panuveitis with bilateral multifocal retinal infiltrates and retinal vasculitis. Multifocal brain lesions were identified. Biopsy of both skin and vitreous showed atypical lymphocytes, and immunohistochemistry confirmed T-cell lymphoma of gamma-delta subtype. Management with the CODOX-M/IVAC polychemotherapy regimen achieved rapid response including resolution of intraocular changes and substantial improvement of visual acuity to right 6/7...
June 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28616565/lactated-ringer-s-solution-for-preventing-myocardial-reperfusion-injury
#14
Takashi Koyama
Reperfusion of ischemic myocardium is crucial for salvaging myocardial cells from ischemic cell death. However, reperfusion itself induces various deleterious effects on the ischemic myocardium. These effects, known collectively as reperfusion injury, comprise stunned myocardium, reperfusion-induced arrhythmia, microvascular reperfusion injury, and lethal reperfusion injury. No approach has proven successful in preventing any of these injuries in the clinical setting. My colleagues and I recently proposed a new postconditioning protocol, postconditioning with lactate-enriched blood (PCLeB), for the prevention of reperfusion injury...
June 2017: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/28614905/long-term-follow-up-of-chemoimmunotherapy-with-rituximab-oxaliplatin-cytosine-arabinoside-dexamethasone-road-in-patients-with-relapsed-cd20-b-cell-non-hodgkin-lymphoma-results-of-a-study-of-the-mayo-clinic-cancer-research-consortium-mccrc-mc0485-now-known-as
#15
Thomas E Witzig, Patrick B Johnston, Betsy R LaPlant, Paul J Kurtin, Levi D Pederson, Dennis F Moore, Nassim H Nabbout, Daniel A Nikcevich, Kendrith M Rowland, Axel Grothey
Patients with relapsed aggressive non-Hodgkin lymphoma (NHL) are often treated with platinum-based chemoimmunotherapy regimens in preparation for autologous stem cell transplant. We sought to reduce toxicity and maintain efficacy by using oxaliplatin with rituximab, cytarabine and dexamethasone (ROAD) in a phase II clinical trial in patients who had relapsed after one prior regimen. ROAD was delivered q21 days and consisted of rituximab 375 mg/m2 IV weekly x 4 doses (cycle 1 only); dexamethasone 40 mg PO/IV d2 - 5; oxaliplatin 130 mg/m2 IV d2; cytarabine 2000 mg/m2 IV x two doses on days 2 - 3; and pegfilgrastim 6 mg SC on d4...
June 14, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28610543/does-diathermy-smoke-contaminate-processed-salvaged-blood-in-cardiac-surgery
#16
Katherine R Hulme, Jon van den Burg
INTRODUCTION: A cell salvage device is used in cardiac surgery with the aim of reducing allogeneic blood transfusion. Suction of blood from the operating field used for the device is often accompanied by diathermy smoke. There is limited published research to know if this blood is then contaminated with clinically significant levels of harmful chemicals from this smoke. Postoperative cardiac surgery patients are already physiologically vulnerable, making the optimization of salvaged blood worth considering...
June 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28608731/survival-outcomes-in-patients-with-t2n0m0-stage-ii-squamous-cell-carcinoma-of-the-larynx
#17
Danielle L Gainor, Emily Marchiano, Emily Bellile, Matthew E Spector, Jeremy M G Taylor, Gregory T Wolf, Norman D Hogikyan, Mark E Prince, Carol R Bradford, Avraham Eisbruch, Francis Worden, Andrew G Shuman
Objective Emerging data have demonstrated suboptimal outcomes among patients with stage II larynx cancer. Our objective is to report survival outcomes for T2N0M0 larynx cancer and to determine the cause-specific survival. Study Design Case series with planned data collection. Setting Tertiary academic center. Subjects Adults with T2N0M0 squamous cell carcinoma of the larynx treated with curative intent. Methods A head and neck cancer epidemiology database was queried for eligible subjects from 2003 to 2014...
June 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28608446/dual-addressing-of-thymidine-synthesis-pathways-for-effective-targeting-of-proliferating-melanoma
#18
Tara Miran, Andreas T J Vogg, Laila El Moussaoui, Hans-Jürgen Kaiser, Natascha Drude, Verena von Felbert, Felix M Mottaghy, Agnieszka Morgenroth
Here, we examined the potential of blocking the thymidine de novo synthesis pathways for sensitizing melanoma cells to the nucleoside salvage pathway targeting endogenous DNA irradiation. Expression of key nucleotide synthesis and proliferation enzymes thymidylate synthase (TS) and thymidine kinase 1 (TK1) was evaluated in differentiated (MITF(high) [microphthalmia-associated transcription factor] IGR1) and invasive (MITF(medium) IGR37) melanoma cells. For inhibition of de novo pathways cells were incubated either with an irreversible TS inhibitor 5-fluoro-2'-deoxyuridine (FdUrd) or with a competitive dihydrofolate-reductase (DHFR) inhibitor methotrexate (MTX)...
June 13, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28607817/a-rare-case-report-of-mixed-olfactory-neuroblastoma-carcinoma-with-review-of-literature
#19
Charandeep S Gandhoke, Aditi Dewan, Divya Gupta, Simran K Syal, Anita Jagetia, Ravindra K Saran, Ravi Meher, Arvind K Srivastava, Daljit Singh
BACKGROUND: Olfactory neuroblastoma (ONB) is a rare malignant neuroectodermal tumor of the nasal cavity. Mixed olfactory neuroblastoma which contains areas of divergent differentiation is even rare. Till date, only 4 cases of mixed olfactory neuroblastomas have been reported. CASE DESCRIPTION: We report the case of a 46-year-old male who presented with the chief complaints of nasal bleeding and nasal obstruction since 4 months. Radiological imaging was suggestive of a large heterogeneous mass in the left superior nasal cavity with extensions into bilateral maxillary, ethmoidal, and sphenoidal sinuses, as well as into the anterior cranial fossa...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28605004/preoperative-optimisation-of-anaemia-for-primary-total-hip-arthroplasty-a-systematic-review
#20
Dinesh P Alexander, Nicholas Frew
BACKGROUND: The 2009 NHS Blood and Transplant national comparative audit on blood use following primary total hip arthroplasty (THR) highlighted that preoperative anaemia was common and undertreated. They recommended that hospitals have a written policy for treating anaemia preoperatively. In our centre, we found that preoperative optimisation of anaemia, significantly reduced blood transfusion rate to <5%. The 2015 national audit showed that even though 48% of patients received tranexamic acid, 85% of patients required transfusion...
June 7, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
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