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https://www.readbyqxmd.com/read/28934768/cutaneous-melanoma-an-audit-of-management-timeliness-against-new-zealand-guidelines
#1
Tess Brian, Brandon Adams, Michael Jameson
AIM: The New Zealand Ministry of Health's "Faster Cancer Treatment" programme aims for timely care for patients with cancer, including melanoma. Melanoma care guidelines detail investigation and treatment timeliness standards. This audit assesses compliance with these. METHOD: Patients admitted to Waikato Hospital for melanoma surgery during the year ending February 2016 were retrospectively identified. Time intervals between care events were calculated. Demographic, lesion, surgical and histopathological characteristics were analysed...
September 22, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28934733/exosomes-from-human-induced-pluripotent-stem-cell-derived-mesenchymal-stromal-cells-hipsc-mscs-protect-liver-against-hepatic-ischemia-reperfusion-injury-via-activating-sphingosine-kinase-and-sphingosine-1-phosphate-signaling-pathway
#2
Yingdong Du, Dawei Li, Conghui Han, Haoyu Wu, Longmei Xu, Ming Zhang, Jianjun Zhang, Xiaosong Chen
BACKGROUND/AIMS: This study aimed to evaluate the effects of exosomes produced by human-induced pluripotent stem cell-derived mesenchymal stromal cells (hiPSC-MSCs-Exo) on hepatic ischemia-reperfusion (I/R) injury, as well as the underlying mechanisms. METHODS: Exosomes derived from hiPSC-MSCs were isolated and characterized both biochemically and biophysically. hiPSC-MSCs-Exo were injected systemically into a murine ischemia/reperfusion injury model via the inferior vena cava, and then the therapeutic effects were evaluated...
September 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28934596/features-and-outcomes-of-methamphetamine-associated-pulmonary-arterial-hypertension
#3
Roham T Zamanian, Haley Hedlin, Paul Greuenwald, David M Wilson, Joshua I Segal, Michelle Jorden, Kristina Kudelko, Juliana Liu, Andrew Hsi, Allyson Rupp, Andrew J Sweatt, Rubin Tuder, Gerald J Berry, Marlene Rabinovitch, Ramona L Doyle, Vinicio De Jesus Perez, Steven M Kawut
RATIONALE: While amphetamines are recognized as "likely" agents to cause drugs and toxins associated pulmonary arterial hypertension (PAH), (meth)amphetamine associated PAH (Meth-APAH) has not been well described. OBJECTIVES: To prospectively characterize the clinical presentation, histopathology, and outcomes of Meth-APAH compared to those of idiopathic PAH (iPAH). METHODS AND MEASUREMENTS: We performed a prospective cohort study of Meth-APAH and iPAH patients presenting to the Stanford University Pulmonary Hypertension Program between 2003-2015...
September 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28934558/histopathology-of-interstitial-lung-abnormalities-in-the-context-of-lung-nodule-resections
#4
Ezra R Miller, Rachel K Putman, Marina Vivero, Yin Hung, Tetsuro Araki, Mizuki Nishino, George R Washko, Ivan O Rosas, Hiroto Hatabu, Lynette M Sholl, Gary M Hunninghake
No abstract text is available yet for this article.
September 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28934419/characterizing-antigenic-determinants-in-helicobacter-pylori-caga-capable-of-detecting-serum-antibodies-in-children
#5
Min-Kyoung Shin, Jin-Su Jun, Soon-Wook Kwon, Dong-Hae Lee, Jong-Hun Ha, Jin-Sik Park, Hyung Lyun Kang, Seung Chul Baik, Ji Sook Park, Ji-Hyun Seo, Hee-Shang Youn, Myung Je Cho, Woo Kon Lee
Helicobacter pylori can persistently colonize the mucosa of the human stomach, resulting in gastric disorders. Endoscopic biopsy for rapid urease test and histopathologic examination are considered as the most accurate diagnostic methods for H. pylori infection. Serological methods are recommended for children because of invasiveness of the diagnosis mentioned above. Here, the cytotoxin-associated gene A protein (Cag A), as an immunodominant antigen, was subdivided to determine which regions harbor antigenicity for humans...
November 30, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28934241/hla-dr7-and-hla-dq2-transgenic-mouse-strains-tested-as-a-model-system-for-ximelagatran-hepatotoxicity
#6
Hanna Lundgren, Klara Martinsson, Karin Cederbrant, Johan Jirholt, Daniel Mucs, Katja Madeyski-Bengtson, Said Havarinasab, Per Hultman
The oral thrombin inhibitor ximelagatran was withdrawn in the late clinical trial phase because it adversely affected the liver. In approximately 8% of treated patients, drug-induced liver injury (DILI) was expressed as transient alanine transaminase (ALT) elevations. No evidence of DILI had been revealed in the pre-clinical in vivo studies. A whole genome scan study performed on the clinical study material identified a strong genetic association between the major histocompatibility complex alleles for human leucocyte antigens (HLA) (HLA-DR7 and HLA-DQ2) and elevated ALT levels in treated patients...
2017: PloS One
https://www.readbyqxmd.com/read/28934227/hemorrhage-enhances-cytokine-complement-component-3-and-caspase-3-and-regulates-micrornas-associated-with-intestinal-damage-after-whole-body-gamma-irradiation-in-combined-injury
#7
Juliann G Kiang, Joan T Smith, Marsha N Anderson, Thomas B Elliott, Paridhi Gupta, Nagaraja S Balakathiresan, Radha K Maheshwari, Barbara Knollmann-Ritschel
Hemorrhage following whole-body γ-irradiation in a combined injury (CI) model increases mortality compared to whole-body γ-irradiation alone (RI). The decreased survival in CI is accompanied by increased bone marrow injury, decreased hematocrit, and alterations of miRNA in the kidney. In this study, our aim was to examine cytokine homeostasis, susceptibility to systemic bacterial infection, and intestinal injury. More specifically, we evaluated the interleukin-6 (IL-6)-induced stress proteins including C-reactive protein (CRP), complement 3 (C3), Flt-3 ligand, and corticosterone...
2017: PloS One
https://www.readbyqxmd.com/read/28934226/pathological-alterations-in-liver-injury-following-congestive-heart-failure-induced-by-volume-overload-in-rats
#8
Mohammed Shaqura, Doaa M Mohamed, Noureddin B Aboryag, Lama Bedewi, Lukas Dehe, Sascha Treskatsch, Mehdi Shakibaei, Michael Schäfer, Shaaban A Mousa
Heart failure has emerged as a disease with significant public health implications. Following progression of heart failure, heart and liver dysfunction are frequently combined in hospitalized patients leading to increased morbidity and mortality. Here, we investigated the underlying pathological alterations in liver injury following heart failure. Heart failure was induced using a modified infrarenal aortocaval fistula (ACF) in male Wistar rats. Sham operated and ACF rats were compared for their morphometric and hemodynamic data, for histopathological and ultrastructural changes in the liver as well as differences in the expression of apoptotic factors...
2017: PloS One
https://www.readbyqxmd.com/read/28934212/outcome-of-papillary-versus-clear-cell-renal-cell-carcinoma-varies-significantly-in-non-metastatic-disease
#9
Nina Wagener, Dominic Edelmann, Axel Benner, Richard Zigeuner, Hendrik Borgmann, Ingmar Wolff, Laura M Krabbe, Mireia Musquera, Paolo Dell'Oglio, Umberto Capitanio, Tobias Klatte, Luca Cindolo, Matthias May, Sabine D Brookman-May
Renal cell carcinoma (RCC) comprises a heterogenous group of tumors. Traditionally, papillary RCC (pRCC) is associated with a favorable outcome compared to clear cell RCC (ccRCC), while other series report equivalent or worse prognosis. In this paper we comparatively evaluate outcome of pRCC versus ccRCC in two large multi-institutional databases (cohort study), including distribution of pRCC subtypes 1 and 2. Retrospective data of 1,943 surgically treated pRCC patients from 17 European/ North American centers between 1984-2015 were compared to 5,600 ccRCC patients from a database comprising 11 European/ North American centers (1984-2011)...
2017: PloS One
https://www.readbyqxmd.com/read/28933519/skin-metastasis-review-with-conceptual-and-practical-guide
#10
Martin R Dittmer, Vincent Liu
Of the outward manifestations of visceral malignancy, cutaneous metastases are of particular interest for their impact on identification, prognosis, and management of the primary tumor. Their diagnosis is often challenging and requires high clinical suspicion. The infrequency and clinicopathologic variability of cutaneous metastases can impede their recognition by physical exam and even histopathology. This review offers a practical approach to judicious utilization of the full repertoire of clinical and pathologic data in precise characterization of metastases to the skin...
September 20, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28933511/-renal-pleomorphic-sarcoma-in-four-guinea-pigs-cavia-porcellus
#11
Julia Hankel, Marion Hewicker-Trautwein, Martina Warschau, Anna Milena Thöle, Michael Fehr
OBJECTIVE: Renal tumours apparently are rare not only in cats and dogs, but also in guinea pigs and can be difficult to diagnose. The aim of this study is to describe the clinical, pathological and immunohistochemical findings in guinea pigs with renal tumours. Furthermore, the symptoms, diagnostic possibilities and therapy are compared with renal tumours in other small animals, including cats and dogs. MATERIAL AND METHODS: During a period of 4 years and 4 months the data of guinea pigs that had been presented in the clinic were retrospectively analysed...
September 20, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28933509/-targeting-the-skin-erythema-multiforme-in-dogs-and-cats
#12
Ralf Mueller, Teresa M S A Boehm, Christoph J Klinger, Laura Udraite, Ralf S Mueller
This review article will describe the complex nature of erythema multiforme in dogs and cats. The disease pattern will be illustrated in terms of etiology, pathogenesis, clinical signs, diagnostics and therapy. Erythema multiforme is a rare, immune-mediated skin disorder with an acute specific reaction pattern of skin and mucous membranes against different underlying causes. Reported triggering factors include drugs, food ingredients and neoplasias, but viral or bacterial infections and vaccine reactions were also identified...
September 20, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28933311/mg17-a-novel-triazole-derivative-abrogated-neuroinflammation-and-related-neurodegenerative-symptoms-in-rodents
#13
Gangadhar Matharasala, Ganesh Samala, Yogeeswari Perumal
The objective of present study is to explore multiple effects of the compound MG17 and relate them to achieve better therapeutic potential against neuroinflammation related disorders. We examined whether our compound is acting through regulating neuroinflammatory mediators. We have done some preliminary behavioral studies to shortlist the derivatives using rodent models of peripheral nerve injury in our earlier publication and now we extended our screening studies to explore the test compounds efficacy on other related peripheral neurological disorders such as Streptozotocin-induced diabetic peripheral neuropathy (DPN) and methyl mercury (MeHg) induced neurodegeneration in rats...
September 19, 2017: Current Molecular Pharmacology
https://www.readbyqxmd.com/read/28933119/-research-on-rat-models-of-acute-liver-injury-with-syndrome-of-liver-depression-and-spleen-deficiency
#14
Na-Na Huang, Xiao-Qian Sun, Qian Yang, Xiao-Yu Li, Rong Sun
This paper aimed to establish animal models which are suitable for the activity found, efficacy evaluation of herbs resistant to acute liver injury with syndrome of liver depression and spleen deficiency and new drug research and development based on corresponding of formula and syndrome. The symptoms that are suitable for evaluating the rat models of acute liver injury with syndrome of liver depression and spleen deficiency were extracted according to the evolution rule of the etiology and pathogenesis in traditional Chinese medicine and the modern pathological mechanism...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28932768/hepatic-adenomatosis-in-liver-cirrhosis
#15
Sonja Gordic, Swan N Thung, Sasan Roayaie, Mathilde Wagner, Bachir Taouli
Hepatocellular adenoma (HCA) is a benign liver tumor most frequently occurring in women using oral contraception. HCA develops in normal or nearly normal livers and is extremely rare in cirrhosis. The authors present magnetic resonance imaging and histopathologic findings in a 57-year-old man with liver cirrhosis and hepatic adenomatosis. As the differentiation between HCA and hepatocellular carcinoma (HCC) can be difficult with imaging, we would like to highlight the importance of ancillary findings such as the presence of iron on MRI, which can be observed in HCA...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28932732/sustained-released-mixture-of-vascular-endothelial-growth-factor-165-and-fibrin-glue-strengthens-healing-of-ileal-anastomoses-in-a-rabbit-model-with-intraperitoneal-infection
#16
Zhanwu Li, Wenjun Wang, Xiaozhou Wang, Lei Jiang, Fengyi Wang, Qiang Liu
PURPOSE: To investigate the effects of a sustained-released mixture of vascular endothelial growth factor 165 (VEGF165) and fibrin glue (FG) local administration on postoperative rabbit ileal anastomoses. METHODS: One hundred twenty-eight male and female New Zealand white rabbits underwent intraperitoneal infection subsequent ileal anastomosis surgery were divided randomly into 4 groups, including 32 animals in each, applied with saline solution, FG, rhVEGF165 and a mixture of rhVEGF165 with FG (VEGF + FG) on the anastomoses, respectively...
September 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28932615/breast-abscessed-cancer-in-nonlactating-women-in-tropical-environment-radiological-bacteriological-and-anatomopathological-features-about-3-cases
#17
Mazamaesso Tchaou, Tchin Darre, Ayi Kossi Amavi, Kokou Kouliwa Kanassoua, Bidamin N'Timon, Lantam Sonhaye, Lama-Kegdigoma Agoda-Koussema, Komlavi Adjenou
The association of breast cancer and abscess is rare in daily practice. The authors report a short series of 3 cases of cancer of the breast in nonlactating women presented as breast abscess, reviewing aspects in radiology (ultrasound and mammography), correlating them with the histopathology findings and the bacteriological profile of the isolated germs.
2017: Case Reports in Radiology
https://www.readbyqxmd.com/read/28932589/a-hamartoma-presenting-as-an-intramural-upper-oesophageal-tumour
#18
Jari Räsänen, Ilkka Ilonen, Ari Ristimäki, Jarmo A Salo, Antti A Mäkitie
Oesophageal hamartomas are extremely rare conditions especially in upper oesophagus. We report on a 20-year-old woman who presented with dysphagia and was diagnosed with a retrosternal 4.9 cm × 9.0 cm heterogenic tumour located in her upper oesophagus. Preoperative examinations included computed tomography of the chest, bronchoscopy and esophagoscopy, and no signs of malignancy were noted. She underwent surgical resection of the mass and the final histopathological diagnosis was osteochondromatous hamartoma of the upper oesophagus...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932588/kras-mutation-positive-mucinous-adenocarcinoma-originating-in-the-thymus
#19
Ichiro Sakanoue, Hiroshi Hamakawa, Daichi Fujimoto, Yukihiro Imai, Kazuhiro Minami, Keisuke Tomii, Yutaka Takahashi
Thymic carcinoma is a rare, aggressive disease with a low 5-year survival rate. The most common histological neoplastic thymic tumor subtype is squamous cell. We describe an interesting case of a 39-year-old woman who presented with mucinous adenocarcinoma that originated in the thymus and was treated via radical resection and venoplasty of the superior vena cava (SVC). Macroscopically, the resected tumor contained a solid region and multiple cysts with abundant mucin. Microscopic examination showed a papillary growth pattern of goblet cells with round nuclei...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932572/chronic-lung-allograft-dysfunction-phenotypes-and-treatment
#20
REVIEW
Stijn E Verleden, Robin Vos, Bart M Vanaudenaerde, Geert M Verleden
Chronic lung allograft dysfunction (CLAD) remains a major hurdle limiting long-term survival post lung transplantation. Given the clinical heterogeneity of CLAD, recently two phenotypes of CLAD have been defined [bronchiolitis obliterans syndrome (BOS) vs. restrictive allograft syndrome (RAS) or restrictive CLAD (rCLAD)]. BOS is characterized by an obstructive pulmonary function, air trapping on CT and obliterative bronchiolitis (OB) on histopathology, while RAS/rCLAD patients show a restrictive pulmonary function, persistent pleuro-parenchymal infiltrates on CT and pleuroparenchymal fibro-elastosis on biopsies...
August 2017: Journal of Thoracic Disease
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