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Pathology reviews

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https://www.readbyqxmd.com/read/28454228/prognostic-factors-of-long-term-outcome-in-surgically-resectable-pancreatic-neuroendocrine-tumors-a-12-year-experience-from-a-single-center
#1
Bo Zhou, Jixuan Duan, Sheng Yan, Jie Zhou, Shusen Zheng
The present study was performed to assess the prognostic factors with respect to patient survival and clinicopathological characteristics for patients who underwent surgery for pancreatic neuroendocrine tumors (PNETs). A retrospective review of patients pathologically diagnosed with PNETs at the First Affiliated Hospital, Zhejiang University School of Medicine (Hangzhou, Zhejiang, China) between September 2002 and September 2013 was conducted. The clinicopathological findings, overall survival (OS) rate and disease-free survival (DFS) rate of the patients with PNETs were analyzed...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28453805/pathological-investigation-of-graft-related-oesophageal-fistula
#2
Masaki Yamamoto, Hideaki Nishimori, Mitsuko Iguchi, Kazumasa Orihashi
Oesophageal fistulae after thoracic endovascular aneurysm repair (TEVAR) for thoracic aortic aneurysm (TAA) have been reported, although the causes are unknown. One hypothesis is that the structural configuration of the aortic aneurysm, as it protrudes towards the oesophagus, may affect oesophageal fistula formation. The pathological findings of an oesophageal fistula following TEVAR are reviewed here. This report presents the case of a 68-year-old man with a stent graft-related oesophageal fistula after TEVAR for TAA...
May 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28453747/natural-course-and-prognosis-of-anaplastic-gangliogliomas-a-multicenter-retrospective-study-of-43-cases-from-the-french-brain-tumor-database
#3
Louis-Marie Terrier, Luc Bauchet, Valérie Rigau, Aymeric Amelot, Sonia Zouaoui, Isabelle Filipiak, Agnès Caille, Fabien Almairac, Marie-Hélène Aubriot-Lorton, Anne-Marie Bergemer-Fouquet, Eric Bord, Philippe Cornu, Alain Czorny, Phong Dam Hieu, Bertrand Debono, Marie-Bernadette Delisle, Evelyne Emery, Walid Farah, Guillaume Gauchotte, Catherine Godfraind, Jacques Guyotat, Bernard Irthum, Kevin Janot, Pierre-Jean Le Reste, Dominique Liguoro, Hugues Loiseau, Guillaume Lot, Vincent Lubrano, Emmanuel Mandonnet, Philippe Menei, Philippe Metellus, Serge Milin, Bertrand Muckenstrum, Pierre-Hugues Roche, Audrey Rousseau, Emmanuelle Uro-Coste, Anne Vital, Jimmy Voirin, Michel Wager, Marc Zanello, Patrick François, Stéphane Velut, Pascale Varlet, Dominique Figarella-Branger, Johan Pallud, Ilyess Zemmoura
Background.: Anaplastic gangliogliomas (GGGs) are rare tumors whose natural history is poorly documented. We aimed to define their clinical and imaging features and to identify prognostic factors. Methods.: Consecutive cases of anaplastic GGGs in adults prospectively entered into the French Brain Tumor Database between March 2004 and April 2014 were screened. After diagnosis was confirmed by pathological review, clinical, imaging, therapeutic, and outcome data were collected retrospectively...
May 1, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28453690/subgroups-and-prognostication-in-stage-iii-colon-cancer-future-perspectives-for-adjuvant-therapy
#4
E Auclin, A Zaanan, D Vernerey, R Douard, C Gallois, P Laurent-Puig, F Bonnetain, J Taieb
Since the MOSAIC study, oxaliplatin-based adjuvant chemotherapy has been the standard treatment of stage III colon cancer. Combination therapy with fluoropyrimidines and oxaliplatin has improved overall survival (OS) and reduced the risk of recurrence in patients with resected stage III colon cancer. However, only 20% of patients really benefit from adjuvant chemotherapy, exposing 80% of patients to unnecessary toxicity. Recent analyses of large multicenter adjuvant studies have focused on the prognostication of OS and disease-free survival in stage III colon cancer in order to reduce over-treatment and to find more accurate prognostic tools than those used for adjuvant treatment decision-making in stage II disease...
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28453448/cumulative-trauma-disorders-a-review
#5
Zaheen A Iqbal, Ahmad H Alghadir
BACKGROUND: Cumulative trauma disorder (CTD) is a term for various injuries of the musculoskeletal and nervous systems that are caused by repetitive tasks, forceful exertions, vibrations, mechanical compression or sustained postures. Although there are many studies citing incidence of CTDs, there are fewer articles about its etiology, pathology and management. OBJECTIVE: The aim of our study was to discuss the etiology, pathogenesis, prevention and management of CTDs...
April 21, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28453394/expression-of-mir-23a-by-apoptotic-regulators-in-human-cancer-a-review
#6
Rabih Roufayel, Seifedine Kadry
MicroRNAs play fundamental roles in mammalian development, differentiation and cellular homeostasis by regulating essential processes such as proliferation, migration, metabolism, migration and cell death. These small non-coding RNAs are also responsible in RNA silencing, and in many developmental and pathological processes. Not surprisingly, miR-23a misexpression contributes to numerous diseases including cancer where certain miRNA genes have been classified as either oncogenes or tumor suppressor genes. Since a single microRNA is capable of targeting a large number of mRNA sequences, de-regulated miRNA expression has the ability to alter various transcripts and activate a wide range of cancer-related pathways...
April 28, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28449507/primary-mediastinal-myelolipoma-a-case-report-and-literature-review
#7
Qingtong Shi, Shu Pan, Yang Bao, Huangxin Fan, Yali Diao
Myelolipoma is a kind of rare benign tumour composed of mature adipocytes and hemopoietic elements, and is most often found in the adrenal glands. Primary mediastinal myelolipoma (PMM) more rarely happens and has no definite symptoms, and mediastinal masses are usually found in chest examination. The patients normally receive a surgical resection and have a favorable prognosis after postoperative pathological diagnosis. Here, we present the case of PMM, which was resected via video-assisted thoracic surgery (VATS), and investigate recent correlative literatures to summarize its etiology, histopathology, differential diagnosis and therapeutic method...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449499/regional-dietary-characteristics-and-bronchial-foreign-body-a-repeated-misdiagnosis-caused-by-a-red-pepper
#8
Yutian Lai, Jian Huang, Xudong Zhou, Heng Du, Guowei Che
Bronchial foreign body is a common health problem worldwide, types of bronchial foreign bodies are variegated, depending on patient age and cultural background including religious beliefs as well as alimentary habits. However, misdiagnoses caused by regional dietary correlation factors were rarely concerned. In this case, a 52-year-old woman with aggravated cough and hemosputum took thoracic CT scan twice and flexible fiberoptic bronchoscopy 5 times, which all revealed the chronic pulmonary inflammation. Furthermore, the biopsies showed bronchial granulation nodule formation...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449422/the-effect-of-anti-reflux-therapy-on-patients-diagnosed-with-minor-disorders-of-peristalsis-in-high-resolution-manometry
#9
Joonho Jeong, Sung Eun Kim, Moo In Park, Seun Ja Park, Won Moon, Jae Hyun Kim, Kyoungwon Jung, Youn Jung Choi, Jun Yeob Lee, Young Dal Lee
Background/Aims: Minor disorders of peristalsis are esophageal motility disorders categorized by the Chicago Classification (CC), version 3.0, which was announced in 2014. This study evaluated the efficacy of anti-reflux therapy in patients with minor peristaltic disorders. Methods: Patients with minor peristaltic disorders in accordance with CC v3.0 were included. We reviewed the medical records of patients with esophageal high-resolution manometry findings, and investigated the demographic and clinical information as well as the medical therapy...
April 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28449366/moving-forward-with-the-neuromuscular-junction
#10
REVIEW
Claire Legay, Lin Mei
The neuromuscular junction (NMJ) is indispensable for survival. This synapse between motoneurons and skeletal muscle fibers allows posture, movement and respiration. Therefore, its dysfunction creates pathologies than can be lethal. The molecular mechanisms of NMJ development and maintenance are the subject of intensive studies. This mini-review focuses on some of the most recent discoveries. An unexpected role for a protein, rapsyn, which has been known for 40 years to aggregate acetylcholine receptors has emerged...
April 27, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28449168/mri-sequences-in-head-neck-radiology-state-of-the-art
#11
Gerlig Widmann, Benjamin Henninger, Christian Kremser, Werner Jaschke
Background Magnetic resonance imaging (MRI) has become an essential imaging modality for the evaluation of head & neck pathologies. However, the diagnostic power of MRI is strongly related to the appropriate selection and interpretation of imaging protocols and sequences. The aim of this article is to review state-of-the-art sequences for the clinical routine in head & neck MRI and to describe the evidence for which medical question these sequences and techniques are useful. Method Literature review of state-of-the-art sequences in head & neck MRI...
May 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28448874/regulation-and-roles-of-cd26-dppiv-in-hematopoiesis-and-diseases
#12
REVIEW
Zeynab Aliyari Serej, Abbas Ebrahimi Kalan, Ahmad Mehdipour, Hojjatollah Nozad Charoudeh
Dipeptidyl peptidase IV (DPPIV),(1) on the surface of certain cells, where it is also referred to as CD26, is involved in a vast majority of biological and pathological processes. CD26/DPPIV function contributes to cancer and tumor metastasis as well as inhibition of its expression which alters the expression of immune response-related genes. CD26/DPPIV is a widely distributed multifunctional integral membrane and secreted protein that is defined as early predictive biomarker in HIV, cancer and autoimmunity diseases like diabetes and multiple sclerosis...
April 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28448764/mechanistic-insights-into-osteoporosis-in-patients-with-lipodystrophy-and-review-of-the-literature
#13
Lanhui Huang, Hong Shi, Xinli Zhou
OBJECTIVE: To demonstrate the underlying pathogenesis of osteoporosis occurring in patients with lipodystrophy. METHODS: MEDLINE was searched using the following key terms: lipodystrophy, osteoporosis and reduced bone mineral density. Additional studies were obtained from the bibliographies of reports and reviews above by manual search. RESULTS: Lipodystrophy is a very rare disease characterized by pathologic alterations in the distribution of adipose tissues in association with a diverse range of metabolic derangements such as hypertriglyceridemia, insulin resistance, diabetes and abnormal bone formation...
April 27, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28448710/-toddler-s-fracture-case-report-and-review-of-literature
#14
I Corres-Franco, F Mas-Celis, P Castañeda-Leeder
INTRODUCTION: The suspected diagnosis of a Toddler's fracture can often be complicated by an unclear history, the lack of specific clinical findings and the absence of obvious changes in the initial radiographs. We present the case of an infant of 3 years and 7 months old with a history of falling from her own height with a rotation mechanism of the left pelvic limb. The purpose of this paper is to describe the etiopathology, diagnosis and therapeutic management of these fractures. DISCUSSION: The clinical history, physical examination and the use of imaging studies help identify Toddler's fractures, pathology that must be known to medical specialists for an ideal treatment...
September 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28448692/a-complex-homozygous-mutation-in-abhd12-responsible-for-pharc-syndrome-discovered-with-ngs-and-review-of-the-literature
#15
REVIEW
Justine Lerat, Pascal Cintas, Hélène Beauvais-Dzugan, Corinne Magdelaine, Franck Sturtz, Anne-Sophie Lia
PHARC syndrome (MIM612674) is an autosomal recessive neurodegenerative pathology that leads to demyelinating Polyneuropathy, Hearing loss, cerebellar Ataxia, Retinitis pigmentosa, and early-onset Cataracts (PHARC). These various symptoms can appear at different ages. PHARC syndrome is caused by mutations in ABHD12 (α-β Hydrolase Domain 12), of which several have been described. We report here a new complex homozygous mutation c.379_385delAACTACTinsGATTCCTTATATACCATTGTAGTCTTACTGCTTTTGGTGAACACA (p.Asn127Aspfs*23)...
April 27, 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/28448462/targeting-the-atr-chk1-axis-in-cancer-therapy
#16
REVIEW
Stuart Rundle, Alice Bradbury, Yvette Drew, Nicola J Curtin
Targeting the DNA damage response (DDR) is a new therapeutic approach in cancer that shows great promise for tumour selectivity. Key components of the DDR are the ataxia telangiectasia mutated and Rad3 related (ATR) and checkpoint kinase 1 (CHK1) kinases. This review article describes the role of ATR and its major downstream target, CHK1, in the DDR and why cancer cells are particularly reliant on the ATR-CHK1 pathway, providing the rationale for targeting these kinases, and validation of this hypothesis by genetic manipulation...
April 27, 2017: Cancers
https://www.readbyqxmd.com/read/28448405/gastric-heterotopic-pancreas-computed-tomography-with-clinicopathologic-correlation
#17
Nam Ju Lee, Ralph H Hruban, Elliot K Fishman
Asymptomatic heterotopic pancreas (HP) is benign and can be monitored long term without further intervention. Heterotopic pancreas is sometimes surgically resected because it can be difficult to distinguish HP from neoplastic submucosal masses such as gastrointestinal stromal tumors. Although it is not very common, HP should be considered in the differential diagnosis when diagnosing extramucosal gastric masses to avoid unnecessary intervention. We review gastric HP with pathologic correlation to help with diagnosing HP on computed tomography...
April 26, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28448235/intracranial-artery-steno-occlusion-diagnosis-by-using-three-dimensional-parallel-multichannel-transmission-mr-imaging
#18
Mi Sun Chung, Seung Chai Jung, Seon-Ok Kim, Ho Sung Kim, Choong Gon Choi, Sang Joon Kim, Sun U Kwon, Dong-Wha Kang, Jong S Kim
Purpose To determine whether magnetic resonance (MR) imaging by using two-dimensional spatially selective radiofrequency (RF) excitation pulses (zoomed MR imaging) is a reliable method for the diagnosis of intracranial artery steno-occlusion compared with full-field-of-view (FOV) MR imaging. Materials and Methods The institutional review board approved this retrospective study and informed consent was waived. From December 2014 to August 2015, 88 patients who underwent both full-FOV MR imaging and zoomed MR imaging for further evaluation of intracranial artery steno-occlusion at prior luminal evaluation were included...
April 27, 2017: Radiology
https://www.readbyqxmd.com/read/28447902/reporting-results-of-molecular-tests-a-retrospective-examination-of-braf-mutation-reporting
#19
Amanda L Treece, Margaret L Gulley, Patricia Vasalos, Cherie Paquette, Neal I Lindeman, Lawrence J Jennings, Angela N Bartley
CONTEXT: - With enormous growth in the field of molecular pathology, the reporting of results gleaned from this testing is essential to guide patient care. OBJECTIVE: - To examine molecular reports from laboratories participating in proficiency testing for required elements to convey molecular laboratory test results to clinicians and patients. DESIGN: - Molecular laboratories participating in the College of American Pathologists (CAP) proficiency testing program for BRAF mutation analysis were solicited to submit examples of final reports from 2 separate proficiency testing reporting cycles...
May 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28447899/the-american-college-of-surgeons-minimum-standards-for-hospitals-and-the-provision-of-high-quality-laboratory-services
#20
James R Wright
CONTEXT: - The first major project of the American College of Surgeons (Chicago, Illinois), founded in 1913, was implementing Minimum Standards for Hospitals. The 1918 standard (1) established medical staff organizations in hospitals; (2) restricted membership to licensed practitioners in good standing; (3) mandated that the medical staff work with hospital administration to develop and adopt regulations and policies governing their professional work; (4) required standardized, accessible medical records; and (5) required availability of diagnostic and therapeutic facilities...
May 2017: Archives of Pathology & Laboratory Medicine
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