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hematological pathology

Alexandre Karras
Cryoglobulins are immunoglobulins that undergo reversible precipitation at low temperatures. They can induce systemic vasculitis, characterized by purpuric cutaneous lesions, arthritis, peripheral neuropathy, hypocomplementemia and glomerular disease. Renal pathology reveals membranoproliferative glomerulonephritis, with particularly intense mesangial cell proliferation and infiltration by macrophages, associated with intracapillary thrombi. This renal disease presents as a nephritic syndrome, with heavy proteinuria, haematuria severe hypertension and rapidly progressive kidney failure that can lead to end-stage renal disease...
March 12, 2018: Néphrologie & Thérapeutique
Michelangelo Nigro, Davide Viggiano, Vincenzo Ragone, Tiziana Trabace, Annamaria di Palma, Michele Rossini, Giovambattista Capasso, Loreto Gesualdo, Giuseppe Gigliotti
BACKGROUND: The classical approach to the analysis of kidney biopsies is based on semi-quantitative scores of the amount of sclerosis, inflammatory infiltrate, fibrosis and vascular damage. However, advanced renal lesions may be accompanied by a paucity of clinical features and, conversely, important clinical abnormalities may be accompanied by minimal histopathological changes. The objective of this study is to correlate new, semiautomatic, quantitative features of kidney biopsies (e...
March 14, 2018: BMC Nephrology
Elena Bellosta Diago, Jesús Pérez-Pérez, Sonia Santos Lasaosa, Alejandro Viloria Alebesque, Saül Martínez-Horta, Jaime Kulisevsky, Javier López Del Val
Cardiovascular events are a major cause of early death in the Huntington's disease (HD) population. Dysautonomia as well as deterioration of circadian rhythms can be detected early in the disease progression and can have profound effects on cardiac health. The aim of the present study was to determine if HD patients and premanifest mutation carriers present a higher risk of cardiovascular disease (CVD) than non-mutation carrying controls METHODS: Prospective, cross-sectional, multicentre study of 38 HD mutation carriers (23 premanifest and 15 early-stage patients) compared to 38 age- and gender-matched healthy controls...
March 14, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
Efrain Riveros-Perez, Amy C Hermesch, Linda A Barbour, Joy L Hawkins
Aplastic anemia is a hematologic condition occasionally presenting during pregnancy. This pathological process is associated with significant maternal and neonatal morbidity and mortality. Obstetric and anesthetic management is challenging, and treatment requires a coordinated effort by an interdisciplinary team, in order to provide safe care to these patients. In this review, we describe the current state of the literature as it applies to the complexity of aplastic anemia in pregnancy, focusing on pathophysiologic aspects of the disease in pregnancy, as well as relevant obstetric and anesthetic considerations necessary to treat this challenging problem...
2018: International Journal of Women's Health
Annie Genois, Benoit Côté, Annie Belisle
INTRODUCTION: The diagnosis of exaggerated bite reactions is based on the clinical and pathological characteristics of the lesions. These reactions can be an indicator of impending immune suppression. METHODS: The authors report the case of a 35-year-old pregnant woman who presented with a pruriginous vesicular and pustular eruption over her thighs and buttocks. The clinical and pathological findings were compatible with an exaggerated bite reaction. The patient did not report any severe or exaggerated reaction to insect bites in the past...
March 1, 2018: Journal of Cutaneous Medicine and Surgery
Piyanate Sunyakumthorn, Suwit J Somponpun, Rawiwan Im-Erbsin, Tippawan Anantatat, Kemajittra Jenjaroen, Susanna J Dunachie, Eric D Lombardini, Robin L Burke, Stuart D Blacksell, James W Jones, Carl J Mason, Allen L Richards, Nicholas P J Day, Daniel H Paris
BACKGROUND: Scrub typhus is an important endemic disease in tropical Asia caused by Orientia tsutsugamushi for which no effective broadly protective vaccine is available. The successful evaluation of vaccine candidates requires well-characterized animal models and a better understanding of the immune response against O. tsutsugamushi. While many animal species have been used to study host immunity and vaccine responses in scrub typhus, only limited data exists in non-human primate (NHP) models...
March 9, 2018: PLoS Neglected Tropical Diseases
John Mark Cline, Greg Dugan, John Daniel Bourland, Donna L Perry, Joel D Stitzel, Ashley A Weaver, Chen Jiang, Artak Tovmasyan, Kouros Owzar, Ivan Spasojevic, Ines Batinic-Haberle, Zeljko Vujaskovic
Radiation injury to the lung is the result of acute and chronic free radical formation, and there are currently few effective means of mitigating such injury. Studies in rodents indicate that superoxide dismutase mimetics may be effective in this regard; however, studies in humans or large animals are lacking. We hypothesized that post-exposure treatment with the lipophilic mitochondrial superoxide dismutase mimetic, MnTnHex-2-PyP5+ (hexyl), would reduce radiation-induced pneumonitis and fibrosis in the lungs of nonhuman primates...
March 7, 2018: Antioxidants (Basel, Switzerland)
Sıtkı Ün, Hakan Türk, Ahmet Selçuk Dindar, Ferruh Zorlu
Introduction: Radical cystectomy (RC) is the standard treatment model in invasive bladder cancer patients. Risk definitions before RC is mainly based on pathological results. Neutrophil/lymphocyte (N/L) rate is one of the inflammation markers. Some other studies reported negative prognostic results with increased N/L rates. In our study, we reviewed the relationship between preoperative N/L rate and clinicopathological results following RC. Materials and Methods: Data gathered from 296 bladder cancer patients that received RC between 2002 and 2012 were retrospectively reviewed...
January 2018: Journal of Cancer Research and Therapeutics
Gian Lorenzo D'Alterio, Chris Barichievy, William Macasero
BACKGROUND: The Arabian Sand Gazelle (Gazella subgutturosa marica, Thomas, 1897) has been extirpated throughout the Arabian Peninsula. Captive breeding and reintroduction for conservation purposes require veterinary support and the use of hematology RIs. OBJECTIVES: The purpose of the study was to establish hematological RIs for the Arabian Sand Gazelle. METHODS: Blood from 231 clinically healthy captive and 22 wild (reintroduced) Arabian Sand Gazelles were sampled...
March 7, 2018: Veterinary Clinical Pathology
M Kopáčková, P Beránek, I Bydžovská, R Pytlík, J Soukup, M Mrhalová
OBJECTIVE: Presentation of a rare finding non-Hodgkin´s B-lymphoma of the ovary in a patient during caesarean section. DESIGN: Case report. SETTINGS: Department of Obstetrics and Gynaecology, Regional Hospital Liberec, a.s.; First Internal Clinic - Clinic of Hematology, First Faculty of Medicine and General University Hospital, Charles University in Prague; Department of Pathology and Molecular Medicine, Second Faculty of Medicine, Charles University in Praque and Motol University Hospital...
2018: Ceská Gynekologie
W Q Chen, P Li, Q Wang, Y J Zhang, H Y Li, X T Jin, S Yan, G F Kou, S L Cai, G Liu
Objective: To evaluate the feasibility, efficacy and safety of epidermal growth factor receptor-tyrosine kinase inhibitors(EGFR-TKIs) for neoadjuvant therapy. Methods: Eighty-six patients with stage ⅢA EGFR-mutant lung adenocarcinoma were assigned to 2 groups ( n =43 in each group) according to the random number table method: neoadjuvant targeted therapy group (single oral dose of erlotinib 150 mg per day, for 9 weeks) and neoadjuvant chemotherapy group (2 cycles of pemetrexed combined with cisplatin chemotherapy followed by 3- week discontinuation)...
February 23, 2018: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
Yasuyuki Kobayashi, Hiroki Arai, Masahito Honda, Takashi Matsumoto, Kyotaro Yoshida
BACKGROUND: Metastatic renal cancers are relatively common. Most are metastases to the renal parenchyma via a hematogenous route and are derived from lung, breast, and gastrointestinal cancer, malignant melanoma, and hematologic malignant cancer. However, little is known about renal capsule metastasis from other cancers. CASE PRESENTATION: We report a 71-year-old woman with breast cancer who was treated with endocrine therapy. She presented with gross hematuria and was diagnosed as having right renal pelvic cancer and renal cell cancer...
March 1, 2018: BMC Urology
S Sai Latha, S Naveen, C K Pradeep, C Sivaraj, M G Dinesh, K R Anilakumar
Background: Poisoning by different kinds of toxic mushrooms is unfortunately becoming an increasingly important medical problem, evident from the growing number of reports worldwide since the 1950s. Mycetism being a health concern, deserves scientific attention. In this perspective, the present study aims to assess the potential effects of ingesting the selected wild mushrooms from regions of the Western Ghats, India. Methods: The preliminary cytotoxicity of the selected mushrooms was studied in vitro on the intestinal NCM460 and the Chang's liver cell lines on the basis of cell viability...
2018: Frontiers in Pharmacology
Susan Storey, Tamryn Fowler Gray, Ashley Leak Bryant
Purpose of review: To describe the pathology, impact of comorbidities, functional limitations, symptoms, and quality of life (QOL) related to treatment of acute myeloid leukemia (AML) in older adults. Recent findings: AML is a rare aggressive hematologic disease that occurs most often in older adults. The prognosis for older patients with AML is markedly worse due to genetic mutations and patient characteristics such as comorbidities and functional limitations. Patient characteristics may influence treatment decisions, as well as impact symptoms, functional ability, health-related outcomes and (QOL)...
December 2017: Current Geriatrics Reports
Alessia Parascandolo, Mikko Laukkanen
Reduction oxidation (redox) balance could be defined as an even distribution of reduction and oxidation complementary processes and their reaction end products. There is a consensus that aberrant levels of reactive oxygen species (ROS), commonly observed in cancer, stimulate primary cell immortalization and progression of carcinogenesis. However, mechanism how different ROS regulate redox balance is not completely understood. In the current review, we have summarized the main signaling cascades inducing NADPH oxidase NOX1-5 and SOD1-3 expression and their connection to cell proliferation, immortalization, transformation, and CD34+ cell differentiation in thyroid, colon, lung, breast, and hematological cancers...
February 24, 2018: Antioxidants & Redox Signaling
Ying-Xia Tan, Hao Cui, Lu-Ming Wan, Feng Gong, Xiao Zhang, Israel Vlodavsky, Jin-Ping Li
Heparanase, an endo-glucuronidase that specifically cleaves heparan sulfate, is upregulated in several pathological conditions. In this study, we aimed to find a correlation of heparanase expression and platelets production. In the transgenic mice overexpressing human heparanase (Hpa-tg), hematological analysis of blood samples revealed a significantly higher number of platelets in comparison with wild-type (Ctr) mice, while no significant difference was found in leukocytes and red blood cell number between the two groups...
February 19, 2018: Glycobiology
Simone Perna, Daniele Spadaccini, Antonella Riva, Pietro Allegrini, Chiara Edera, Milena Anna Faliva, Gabriella Peroni, Maurizio Naso, Mara Nichetti, Carlotta Gozzer, Beatrice Vigo, Mariangela Rondanelli
INTRODUCTION: This study aimed to identify the dropout rate at 6 and 12 months from the first outpatient visit, and to analyze dropout risk factors among the following areas: biochemical examinations, anthropometric measures, psychological tests, personal data, and life attitude such as smoking, physical activity, and pathologies. METHODS: This is a retrospective longitudinal observational study. Patients undergo an outpatient endocrinology visit, which includes collecting biographical data, anthropometric measurements, physical and pathological history, psychological tests, and biochemical examinations...
February 22, 2018: Endocrine
Maria Papadopoulou, Paraskevi Panagopoulou, Anastasia Papadopoulou, Emmanuel Hatzipantelis, Ioannis Efstratiou, Assimina Galli-Tsinopoulou, Efimia Papadopoulou-Alataki
Langerhans cell histiocytosis (LCH) is a rare hematologic disorder that results from the clonal multiplication and accumulation of immature dendritic Langerhans cells. Its reported incidence rate varies, but is considered to be 2.6-8.9 per million children who are <15 years of age each year. It may affect any system or organ. The present study reported 4 pediatric LCH cases in order to highlight the heterogeneity of the initial presentation, and the pitfalls that may mislead clinicians and delay diagnosis...
March 2018: Molecular and Clinical Oncology
Angela Park, Tim Xu, Michael Poku, James Taylor, Martin A Makary
OBJECTIVES: Price markups are a major cause of healthcare inflation and financial harm to patients, especially those who are self-paying or covered by commercial insurance. STUDY DESIGN: Retrospective analysis of publicly-available information on Medicare physician payments, representing 100% of Part B services provided to fee-for-service beneficiaries during calendar year 2014. METHODS: Outcomes were markup ratios for oncology services, defined as the ratio of submitted charges to the amount reimbursed by Medicare...
February 1, 2018: American Journal of Managed Care
Hui-Ying Li, Lei Xing, Jia-Qi Wang, Nan Zheng
AIM: Furosine is one of the Maillard reaction products (MRPs) and is found in a variety of heat-processed food. Yet its toxicity is still unclear. The present study was designed to assess furosine toxicity in cell models and in CD-1 mice, respectively. METHODS: In vitro, the effects of furosine on the cell viability, cell cycle and apoptosis (Hek293, HepG2, SK-N-SH and Caco2) were detected and evaluated, sensitive cell lines and proper dosage of furosine for further animal experiment were determined, and the mechanisms of toxicity were explored...
February 16, 2018: Toxicology Letters
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