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White blood cells normal and pathology

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https://www.readbyqxmd.com/read/29156615/clinical-significance-of-measuring-global-hydroxymethylation-of-white-blood-cell-dna-in-prostate-cancer-comparison-to-psa-in-a-pilot-exploratory-study
#1
Alin Grelus, Dragos V Nica, Imola Miklos, Valerica Belengeanu, Ioan Ioiart, Cristina Popescu
This is the first study investigating the clinical relevance of 5-hydroxymethylcytosine (5hmC) in genomic DNA from white blood cells (WBC) in the context of prostate cancer (PCa) and other prostate pathologies. Using an enzyme-linked immunosorbent assay, we identified significantly different distributions of patients with low and elevated 5hmC content in WBC DNA across controls and patients with prostate cancer (PCa), atypical small acinar proliferation (ASAP), and benign prostatic hyperplasia (BPH). The measured values were within the normal range for most PCa patients, while the latter category was predominant for ASAP...
November 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29110444/noninvasive-in-vivo-optical-characterization-of-blood-flow-and-oxygen-consumption-in-the-superficial-plexus-of-skin
#2
Faezeh Talebi Liasi, Ravikant Samatham, Steven L Jacques
Assessing the metabolic activity of a tissue, whether normal, damaged, aged, or pathologic, is useful for diagnosis and evaluating the effects of drugs. This report describes a handheld optical fiber probe that contacts the skin, applies pressure to blanch the superficial vascular plexus of the skin, then releases the pressure to allow refill of the plexus. The optical probe uses white light spectroscopy to record the time dynamics of blanching and refilling. The magnitude and dynamics of changes in blood content and hemoglobin oxygen saturation yield an estimate of the oxygen consumption rate (OCR) in units of attomoles per cell per second...
November 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29096655/complete-mimicry-a-case-of-alveolar-rhabdomyosarcoma-masquerading-as-acute-leukemia
#3
Osamu Imataki, Makiko Uemura, Shumpei Uchida, Shigeyuki Yokokura, Akihiro Takeuchi, Ryo Ishikawa, Akihiro Kondo, Kayoko Seo, Norimitsu Kadowaki
BACKGROUND: A small number of rhabdomyosarcoma (RMS) cases involve the bone marrow. A leukemic presentation of RMS has been reported in a few case series, although almost all cases of leukemic RMS are not completely mimicking leukemia. We encountered a case with RMS cell infiltration of the bone marrow that resembled floating hematological cells. CASE PRESENTATION: We encountered a rare case of a 15-year-old boy with a 2-week history of left femoral pain. Upon admission, he was afebrile with no other symptoms...
November 2, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28991665/spinal-cord-anteroposterior-atrophy-in-ham-tsp-magnetic-resonance-imaging-and-neuropathological-analyses
#4
Akitoshi Taniguchi, Hitoshi Mochizuki, Atsushi Yamashita, Kazutaka Shiomi, Yujiro Asada, Masamitsu Nakazato
To evaluate the spinal cord atrophy that occurs in HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP), we conducted magnetic resonance imaging (MRI) and pathological analyses. In the MRI study, 15 patients with HAM/TSP and 20 age-matched normal control subjects were enrolled. Anteroposterior and transverse distances and cross-sectional areas were measured and calculated at the C2, C4, C6, T2, and T6 vertebral levels. In the pathological study, spinal cord autopsy specimens were compared between a HAM/TSP case and an adult T cell leukemia/lymphoma case...
October 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28941240/dynamic-changes-in-brain-mesenchymal-perivascular-cells-associate-with-multiple-sclerosis-disease-duration-active-inflammation-and-demyelination
#5
Ellen Iacobaeus, Rachael V Sugars, Anton Törnqvist Andrén, Jessica J Alm, Hong Qian, Janek Frantzen, Jia Newcombe, Kanar Alkass, Henrik Druid, Matteo Bottai, Matias Röyttä, Katarina Le Blanc
Vascular changes, including blood brain barrier destabilization, are common pathological features in multiple sclerosis (MS) lesions. Blood vessels within adult organs are reported to harbor mesenchymal stromal cells (MSCs) with phenotypical and functional characteristics similar to pericytes. We performed an immunohistochemical study of MSCs/pericytes in brain tissue from MS and healthy persons. Post-mortem brain tissue from patients with early progressive MS (EPMS), late stage progressive MS (LPMS), and healthy persons were analyzed for the MSC and pericyte markers CD146, platelet-derived growth factor receptor beta (PDGFRβ), CD73, CD271, alpha-smooth muscle actin, and Ki67...
October 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28708231/ibrutinib-treatment-of-a-patient-with-relapsing-chronic-lymphocytic-leukemia-and-sustained-remission-of-richter-syndrome
#6
Elisa Albi, Stefano Baldoni, Patrizia Aureli, Erica Dorillo, Beatrice Del Papa, Stefano Ascani, Mauro Di Ianni, Franca Falzetti, Paolo Sportoletti
PURPOSE: Richter syndrome (RS) is a rare event in chronic lymphocytic leukemia (CLL) that is influenced by biological factors and prior CLL treatments. Ibrutinib is a Bruton tyrosine kinase inhibitor that has shown remarkable efficacy in CLL; however, little is known about its relationship to RS. We report a case of ibrutinib efficacy against CLL in a patient with prolonged remission of RS. METHODS: The patient was diagnosed with CLL in 2003. Biological findings at onset included absent ZAP70 expression, mutated IGVH, and NOTCH1 mutation...
July 5, 2017: Tumori
https://www.readbyqxmd.com/read/28649771/evaluation-of-the-sysmex-xn-550-a-novel-compact-haematology-analyser-from-the-xn-l-%C3%A2-series-compared-to-the-xn-20-system
#7
H Tailor, I Mackie, A Mellick, S Machin
INTRODUCTION: The XN-550 is a new, automated, compact, haematology analyser designed to generate a full blood count with a standard five-part white blood cell differential and an immature granulocyte count, as well as an optional reticulocyte and optical platelet (PLT) counts. The aim of the study was to evaluate the performance of the XN-550 and compare it to the established XN-20 system. METHODS: We evaluated the basic parameter and special measurement channels of the XN-550, using the XN-20 (which has a similar operating system), as a reference analyser...
June 25, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28649123/extraovarian-primary-peritoneal-carcinomatosis-a-case-report
#8
Gregory Nicolas, Tony Kfoury, Hassan Fawaz, Mahdi Issa
BACKGROUND Extraovarian primary peritoneal carcinoma (EOPPC) is a rare malignant epithelial tumor with an age-adjusted incidence rate of 6.78 per million, which arises from the peritoneal lining with minimal or no ovarian involvement. EOPPC is a diagnosis of exclusion with the absence of other identifiable primary sites and after surgical assessment and consideration of the histological report to evaluate the extent of ovarian invasion. CASE REPORT A 66-year-old woman complained of mild postprandial epigastric pain...
June 26, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28624961/phenotypic-and-functional-characterization-of-t-cells-in-white-matter-lesions-of-multiple-sclerosis-patients
#9
Gijsbert P van Nierop, Marvin M van Luijn, Samira S Michels, Marie-Jose Melief, Malou Janssen, Anton W Langerak, Werner J D Ouwendijk, Rogier Q Hintzen, Georges M G M Verjans
T cells are considered pivotal in the pathology of multiple sclerosis (MS), but their function and antigen specificity are unknown. To unravel the role of T cells in MS pathology, we performed a comprehensive analysis on T cells recovered from paired blood, cerebrospinal fluid (CSF), normal-appearing white matter (NAWM) and white matter lesions (WML) from 27 MS patients with advanced disease shortly after death. The differentiation status of T cells in these compartments was determined by ex vivo flow cytometry and immunohistochemistry...
June 17, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28624002/pathophysiology-of-venous-ulceration
#10
REVIEW
Joel M Crawford, Brajesh K Lal, Walter N Durán, Peter J Pappas
Our understanding of the pathophysiologic process of venous ulceration has dramatically increased during the past two decades because of dedicated, venous-specific basic science research. Currently, the mechanisms regulating venous ulceration are a combination of macroscopic and microscopic pathologic processes. Macroscopic alterations refer to pathologic processes related to varicose vein formation, vein wall architecture, and cellular abnormalities that impair venous function. These processes are primarily caused by genetic factors that lead to the destruction of normal vein wall architecture and venous hypertension...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28604181/reference-values-for-maternal-total-and-differential-leukocyte-counts-in-different-trimesters-of-pregnancy-and-the-initial-postpartum-period-in-western-turkey
#11
Muzaffer Sanci, Emrah Töz, Onur Ince, Aykut Özcan, Kevser Polater, Abdurrahman Hamdi Inan, Emrah Beyan, Emrah Akkaya
The aim of this study was to investigate alterations in the leukocyte and differential leukocyte counts in different trimesters of pregnancy and the initial postpartum period. The study population consisted of 40,325 pregnant women. A full blood count and automated differential leukocyte count were performed and all the haemogram results in the different trimesters of pregnancy were recorded. Percentiles were calculated using statistical software. A total of 82,786 complete blood count evaluations were performed in 40,325 subjects from the 6th to 41st week of pregnancy and in the initial postpartum period...
July 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28592028/-analysis-of-12-cases-of-exogenous-lipoid-pneumonia-confirmed-by-pathology
#12
Y X Wang, F Fang, Y F Guo, Y M Li, T Y Sun, M Zhang, J Chen, B M Fang
Objective: To study the etiological, clinical, radiological, diagnostic, therapeutic, and prognostic manifestations of exogenous lipoid pneumonia (ELP), and therefore to improve the diagnosis and treatment of this disease. Methods: The clinical data of 12 cases of ELP confirmed by pathology were retrospectively analyzed. Results: The patients consisted of 9 males and 3 females, with an average age of 73.8 years (range, 44 to 100 years). The underlying diseases were variable, including diseases affecting the general condition (multiple organ failure, chronic heart and renal insufficiency, pemphigoid, etc) and conditions with increased risk of aspiration (sequelae of cerebrovascular disease, Alzheimer's disease, advanced stage of nasopharyngeal carcinoma, paralytic ileus, etc)...
June 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28441828/-clinical-analysis-of-seven-cases-of-pulmonary-malignant-tumors-in-children
#13
D Xu, Z M Chen, W Z Gu, Y S Wang, M X Huang, L F Tang, Y Y Zhang, Y Jiang
Objective: To understand the clinical manifestation, imaging characteristics and outcomes of pulmonary malignant tumors in children. Method: We retrospectively collected information about seven cases of pulmonary malignant tumors in children in our hospital from Jan 2010 to Dec 2016. The information included clinical manifestation, imaging characteristics, pathologic results, and treatment. Result: (1) All the seven patients firstly visited pediatric internal medicine departments. Symptoms included cough (n=6), dyspnea (n=4), fever (n=2), anorexia (n=2), chest tightness (n=1), chest pain (n=1), lameness (n=1), abdominal distension and constipation (n=1)...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28432590/pathological-analysis-of-the-surgical-margins-of-resected-glioblastomas-excised-using-photodynamic-visualization-with-both-5-aminolevulinic-acid-and-fluorescein-sodium
#14
Hirohito Yano, Noriyuki Nakayama, Naoyuki Ohe, Kazuhiro Miwa, Jun Shinoda, Toru Iwama
During glioma resection, 5-aminolevulinic acid (5-ALA) and fluorescein sodium (Fl-Na) are used for photodynamic tumor visualization. The objective of this study was to evaluate the pathological findings of the boundary zone between the tumor and adjacent normal brain in glioblastoma patients undergoing simultaneous double staining with 5-ALA and Fl-Na during surgery. Eight patients received 5-ALA (20 mg/kg orally) before the induction of general anesthesia, and Fl-Na (20 mg/kg) was administered intravenously before the dural incision was performed...
June 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28363080/hematology-and-plasma-chemistry-of-the-ploughshare-tortoise-astrochelys-yniphora-in-a-captive-breeding-program
#15
Javier López, Michael Waters, Andrew Routh, Tsanta F Rakotonanahary, Lance Woolaver, Ann Thomasson, Emma Holmes, Hanspeter W Steinmetz
Blood samples from 172 captive and 40 wild, healthy, juvenile and adult, ploughshare tortoises ( Astrochelys yniphora ) were analyzed to determine hematological and biochemical reference intervals. Hematological analytes included packed cell volume (PCV), white blood cell count (WBC), and WBC differential estimates. Biochemical analysis included total protein measured by photometry (TP) and by refractometry (TPr), albumin (ALB), creatine kinase (CK), aspartate aminotransferase (AST), glutamate dehydrogenase (GLDH), bile acids (BA), calcium (Ca), phosphorus (P), urea (UREA), and uric acid (UA)...
March 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28243010/a-rare-case-of-acute-primary-omental-infarction
#16
Xiao-Wen Sun, Bin Luo, Hong-Wei Lin
Primary omental infarction (POI) is a rare cause of acute abdomen. Most patients have aggravating abdominal pain without gastrointestinal symptoms. Here, we report a case of omental infarction in a 50-year-old woman, who had left abdominal pain and intestinal obstruction. Preoperative computed tomography (CT) of the abdomen showed a left ovarian cyst measuring 6.0 cm × 4.5 cm but otherwise seemed normal initially. The white blood cell count was 9.71 × 10(9)/L, and D-dimer was 1.58 mg/L. Laparoscopic exploration was performed 1 day after admission because of peritonitis and intestinal obstruction...
January 2017: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/28210651/analysis-of-platelet-rich-plasma-extraction-variations-in-platelet-and-blood-components-between-4-common-commercial-kits
#17
Jane Fitzpatrick, Max K Bulsara, Paul Robert McCrory, Martin D Richardson, Ming Hao Zheng
BACKGROUND: Platelet-rich plasma (PRP) has been extensively used as a treatment in tissue healing in tendinopathy, muscle injury, and osteoarthritis. However, there is variation in methods of extraction, and this produces different types of PRP. PURPOSE: To determine the composition of PRP obtained from 4 commercial separation kits, which would allow assessment of current classification systems used in cross-study comparisons. STUDY DESIGN: Controlled laboratory study...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28074461/acute-appendicitis-during-pregnancy-case-series-of-20-pregnant-women
#18
İlker Murat Arer, Songül Alemdaroğlu, Hasan Yeşilağaç, Hakan Yabanoğlu
BACKGROUND: Acute appendicitis (AA) is the most common cause of acute abdomen during pregnancy. Most of the signs of appendicitis are also found during normal pregnancy period, however, and diagnosis of appendicitis during pregnancy remains challenging. The aim of the current study was to report our clinical experience of AA during pregnancy and investigate optimal management of this difficult situation. METHODS: Records of 20 pregnant women with diagnosis of AA who underwent appendectomy between 2005 and 2015 were included in this study...
November 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28062291/pathological-vicissitudes-and-oxidative-stress-enzyme-responses-in-mice-experimentally-infected-with-reptarenavirus-isolate-upm-my01
#19
Yusuf Abba, Hasliza Hassim, Hazilawati Hamzah, Omar Emad Ibrahim, Mohd Azmi Mohd Lila, Mohamed Mustapha Noordin
Boid inclusion body disease (BIBD) is a viral disease of boid snakes believed to be caused by reptarenavirus belonging to the family Arenaviridae. Unlike most mammalian arenaviruses, the reservoir host for reptarenavirus is still unknown. In this study, the pathological responses were evaluated in a mouse model for a period of 28 days. Blood and tissue samples (lung, liver, spleen, heart, kidney and brain) were collected for evaluation of hematology, biochemistry, histopathology and oxidative enzyme levels at six time points (1, 3, 7, 14, 21 and 28 days), after viral infection (2...
March 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28043353/erectile-dysfunction-in-male-dromedary-camels-clinical-findings-and-changes-in-the-nitric-oxide-metabolite-cardiac-troponin-i-and-testosterone-concentrations
#20
Derar Derar, Ahmed Ali, Mohamed Tharwat, Fahd Al-Sobayil, Moustafa M Zeitoun
This study aimed to clarify the phenomenon of erectile dysfunction (ED) in male camels and monitor the associated changes in nitric oxide metabolite (NOM), cardiac troponin I (cTnI), and testosterone concentrations. A total 18 camels with ED and 10 controls were included in this study. The breeding history was recorded and a thorough breeding soundness examination was performed. Total nitrates and nitrites were determined in sera using the Griess assay. Serum cTnI and testosterone were assessed using ELISA...
February 2017: Theriogenology
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