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Pathology review

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https://www.readbyqxmd.com/read/29334562/is-a-pathological-complete-response-following-neoadjuvant-chemoradiation-associated-with-prolonged-survival-in-patients-with-pancreatic-cancer
#1
Jin He, Alex B Blair, Vincent P Groot, Ammar A Javed, Richard A Burkhart, Georgios Gemenetzis, Ralph H Hruban, Kevin M Waters, Justin Poling, Lei Zheng, Daniel Laheru, Joseph M Herman, Martin A Makary, Matthew J Weiss, John L Cameron, Christopher L Wolfgang
OBJECTIVES: To describe the survival outcome of patients with borderline resectable or locally advanced pancreatic ductal adenocarcinoma (BR/LA-PDAC) who have a pathologic complete response (pCR) following neoadjuvant chemoradiation. BACKGROUND: Patients with BR/LA-PDAC are often treated with neoadjuvant chemoradiation in an attempt to downstage the tumor. Uncommonly, a pCR may result. METHODS: A retrospective review of a prospectively maintained database was performed at a single institution...
January 12, 2018: Annals of Surgery
https://www.readbyqxmd.com/read/29334555/multi-institutional-analysis-of-recurrence-and-survival-after-neoadjuvant-chemoradiotherapy-of-esophageal-cancer-impact-of-histology-on-recurrence-patterns-and-outcomes
#2
Mian Xi, Yadi Yang, Li Zhang, Hong Yang, Kenneth W Merrell, Christopher L Hallemeier, Robert K Shen, Michael G Haddock, Wayne L Hofstetter, Dipen M Maru, Linus Ho, Carol C Wu, Mengzhong Liu, Steven H Lin
OBJECTIVE: To determine the impact of histology on pathologic response, survival outcomes, and recurrence patterns in patients with esophageal cancer (EC) who received neoadjuvant chemoradiotherapy (CRT). SUMMARY OF BACKGROUND DATA: There is a paucity of data regarding comparative outcomes after neoadjuvant CRT between esophageal squamous cell carcinoma (SCC) and adenocarcinoma. METHODS: Between 2002 and 2015, 895 EC patients who underwent neoadjuvant CRT followed by esophagectomy at 3 academic institutions were retrospectively reviewed, including 207 patients with SCC (23...
January 12, 2018: Annals of Surgery
https://www.readbyqxmd.com/read/29334520/invited-commentary-evaluation-of-horner-syndrome-in-the-mri-era
#3
Aki Kawasaki
This Invited Commentary discusses the following article: BACKGROUND:: To identify the etiologies of adult Horner syndrome (HS) in the MRI era using a targeted evaluation approach and to assess the value and yield of targeted imaging. METHODS: A retrospective chart review was performed of 200 adult outpatients with HS, confirmed with cocaine eyedrop testing. Patients were divided into subgroups based on the presence or absence of symptoms and those who did or did not receive additional testing with hydroxyamphetamine drops...
January 11, 2018: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/29334498/evidence-based-interpretation-of-amyloid-%C3%AE-pet-results-a-clinician-s-tool
#4
David Bergeron, Rik Ossenkoppele, Robert Jr Laforce
BACKGROUND: Amyloid-β positron emission tomography (PET) allows for in vivo detection of fibrillar amyloid plaques, a pathologic hallmark of Alzheimer's disease (AD). However, amyloid-β PET interpretation is limited by the imperfect correlation between PET and autopsy, and the fact that it is positive in about 20% to 30% of cognitively normal individuals and non-AD dementias, especially when older or carrying the ε4 allele of apolipoprotein E (ApoE4). When facing a positive amyloid PET, clinicians have to evaluate the probability of a pathologic false positive as well as the probability of amyloid positivity being age-related, comorbid to a primary non-AD dementia (clinicopathologic false positive)...
January 12, 2018: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/29334244/evolving-concepts-and-use-of-immunohistochemical-biomarkers-in-flat-non-neoplastic-urothelial-lesions-who-2016-classification-update-with-diagnostic-algorithm
#5
Francesca Sanguedolce, Matteo Brunelli, Alessandro D'Amuri, Beppe Calò, Vito Mancini, Giuseppe Carrieri, Luigi Cormio
CONTEXT: The classification of flat non-neoplastic urothelial lesions has been evolved through the years in the attempt to better define a spectrum of morphologic entities with somewhat overlapping features. Differentiating these lesions is important because of differences in patient management and clinical outcome. Materials and methods and objective: A systematic review of the literature has been carried out in order to (1) assess the most striking clinical features of each lesion, and (2) identify those morphological traits and immunophenotypical markers which may aid in the differential diagnosis...
January 15, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29333886/anaemia-worsens-early-functional-outcome-after-traumatic-brain-injury-a-preliminary-study
#6
N Scott Litofsky, Douglas C Miller, Zhenzhou Chen, Agnes Simonyi, Diana Klakotskaia, Andrew Giritharan, Qi Feng, Diane McConnell, Jiankun Cui, Zezong Gu
OBJECTIVE: To determine early effects on outcome from traumatic brain injury (TBI) induced by controlled cortical impact (CCI) associated with anaemia in mice. HYPOTHESIS: Outcome from TBI with concomitant anaemia would be worse than TBI without anaemia. METHODS: CCI was induced with electromagnetic impaction in four groups of C57BL/6J mice: sham, sham+anaemia; TBI; and TBI+anaemia. Anaemia was created by withdrawal of 30% of calculated intravascular blood volume and saline replacement of equal volume...
January 15, 2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29333834/-congenital-esophageal-stenosis-diagnosis-and-treatment-cases-review
#7
Enrique J Romero Manteola, Pablo Ravetta, Celeste C Patiño González, Víctor H Defago
Congenital esophageal stenosis is a very rare condition and there is no standard treatment. We report the diagnosis, treatment and outcome of 11 patients with this condition managed at our institution. The most common symptom was dysphagia. The age at diagnosis was between 1 day and 14 years (mean age: 4.7 years). The esophagogram confirmed the diagnosis. Five patients presented associated anomalies. Four patients received surgical treatment and 7 only balloon dilatations. Pathologic examinations showed 3 fibromuscular stenosis and one with tracheobronchial remnants...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333623/evaluation-of-universal-immunohistochemical-screening-of-sebaceous-neoplasms-in-a-service-setting
#8
K Schon, E Rytina, J Drummond, J Simmonds, S Abbs, R Sandford, M Tischkowitz
BACKGROUND: Muir-Torre syndrome (MTS) is a subtype of Lynch syndrome, which encompasses the combination of sebaceous skin tumours or keratoacanthomas and internal malignancy, due to mutations in DNA mismatch repair genes. Sebaceous neoplasms (SNs) may occur before other malignancies, and may lead to the diagnosis, which allows testing of other family members, cancer surveillance, risk-reducing surgery or prevention therapies. AIM: To evaluate the efficacy of universal immunohistochemistry (IHC) screening of SNs in a service setting...
January 14, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29333517/safety-and-feasibility-of-platelet-rich-fibrin-matrix-injections-for-treatment-of-common-urologic-conditions
#9
Ethan L Matz, Amy M Pearlman, Ryan P Terlecki
Purpose: Autologous platelet rich plasma (PRP) is used increasingly in a variety of settings. PRP injections have been used for decades to improve angiogenesis and wound healing. They have also been offered commercially in urology with little to no data on safety or efficacy. PRP could theoretically improve multiple urologic conditions, such as erectile dysfunction (ED), Peyronie's disease (PD), and stress urinary incontinence (SUI). A concern with PRP, however, is early washout, a situation potentially avoided by conversion to platelet rich fibrin matrix (PRFM)...
January 2018: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29333376/anti-inflammatory-and-anti-obesity-properties-of-food-bioactive-components-effects-on-adipose-tissue
#10
REVIEW
Shasika Jayarathne, Iurii Koboziev, Oak-Hee Park, Wilna Oldewage-Theron, Chwan-Li Shen, Naima Moustaid-Moussa
Obesity is an epidemic and costly disease affecting 13% of the adult population worldwide. Obesity is associated with adipose tissue hypertrophy and hyperplasia, as well as pathologic endocrine alterations of adipose tissue including local and chronic systemic low-grade inflammation. Moreover, this inflammation is a risk factor for both metabolic syndrome (MetS) and insulin resistance. Basic and clinical studies demonstrate that foods containing bioactive compounds are capable of preventing both obesity and adipose tissue inflammation, improving obesity-associated MetS in human subjects and animal models of obesity...
December 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29333011/oral-verrucous-carcinoma-ten-year-experience-from-a-tertiary-care-hospital-in-india
#11
Joshua Franklyn, Rajinikanth Janakiraman, Amit J Tirkey, Cecil Thankachan, John Muthusami
Background: Verrucous carcinoma of the oral cavity (OVC) is an uncommon variant of oral squamous cell carcinoma (OSCC). The clinical presentation and surgical outcomes of OVC are unique; however, the management protocols for OVC are largely extrapolated from OSCC. Objectives: The aim is to study the clinical, histopathological demographics, and outcome of OVC at a tertiary care referral hospital in South India. To study the need for lymph node dissection and the role of adjuvant therapy for close resection margins...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29333006/rational-use-of-imaging-to-stage-breast-cancer-evidences-for-a-selective-approach
#12
S G D Gangadaran
Introduction: Staging investigations at diagnosis are customary to accurately assign a clinical stage before therapy. The practice of routine imaging in patients asymptomatic for metastasis is not recommended but widely adopted. This study was done to reexamine the basis behind guideline recommendations and to identify the factors predictive of asymptomatic metastasis. Methods: Oncology records of 200 breast cancer patients in clinical Stages I-III at diagnosis were prospectively reviewed...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29332842/ligand-cascading-nano-delivery-devices-to-enable-multiscale-targeting-of-anti-neurodegenerative-therapeutics
#13
Adam Mullis, Benjamin William Schlichtmann, Balaji Narasimhan, Rebecca Cademartiri, Surya K Mallapragada
Neurodegenerative diseases are a debilitating set of conditions that affect a significant fraction of the world's population, and this fraction is expected to increase as the population ages. Many therapeutic strategies have been explored to treat the pathological mechanisms of neurodegenerative disease, but multiple sequential hurdles to central nervous system delivery, including the blood-brain barrier, diseased neuronal membranes, and the organelle barrier, make drug delivery challenging and necessitate the use of innovative strategies to target and cross each barrier...
January 15, 2018: Biomedical Materials
https://www.readbyqxmd.com/read/29332590/the-potential-role-of-oxidative-stress-in-cardiac-hypertrophy-a-narrative-review
#14
Abeer Rababa H, Ashley Guillory, Rima Mustafa, Tamara Hijjawi
BACKGROUND: A common phenotype associated with heart failure is the development of cardiac hypertrophy. Cardiac hypertrophy occurs in response to stress, such as hypertension, coronary vascular disease, or myocardial infarction. The most critical pathophysiological conditions involved may include dilated hypertrophy, fibrosis and contractile malfunction. The intricate pathophysiological mechanisms of cardiac hypertrophy have been the core of several scientific studies, which may help in opening a new avenue in preventive and curative procedures...
January 11, 2018: Current Cardiology Reviews
https://www.readbyqxmd.com/read/29332181/management-of-rotator-cuff-injuries-in-the-elite-athlete
#15
REVIEW
Leigh J Weiss, Dean Wang, Michael Hendel, Philip Buzzerio, Scott A Rodeo
PURPOSE OF REVIEW: Rotator cuff injuries are a common cause of pain and dysfunction for the elite athlete and can result in time loss from participation. This review highlights the current management of these injuries. RECENT FINDINGS: Conservative management of rotator cuff injuries continues to be the "gold standard" in the elite athlete. This includes a comprehensive rehabilitation program, anti-inflammatories, and corticosteroid injections. Newer treatment techniques such as intramuscular dry needling and the use of biologics such as platelet-rich plasma and stem cells demonstrate early promising results; however, these modalities require further investigation to determine their effectiveness...
January 13, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29332087/adaptive-brain-stimulation-for-movement-disorders
#16
Martijn Beudel, Hayriye Cagnan, Simon Little
Deep brain stimulation (DBS) has markedly changed how we treat movement disorders including Parkinson's disease (PD), dystonia, and essential tremor (ET). However, despite its demonstrable clinical benefit, DBS is often limited by side effects and partial efficacy. These limitations may be due in part to the fact that DBS interferes with both pathological and physiological neural activities. DBS could, therefore, be potentially improved were it applied selectively and only at times of enhanced pathological activity...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332026/medicinal-plant-materials-in-the-treatment-of-anxiety-disorders-neurobiological-aspects
#17
Miłosz Jan Gołyszny, Ewa Obuchowicz
Context • Pathological anxiety, which affects approximately one-third of the world population, is an inadequate, irrational reaction of an organism to the environment and to a potential threat. Despite advancements in pharmacotherapy for anxiety disorders, further studies are still necessary to search for new substances possessing the desired anxiolytic effects, with as few unwanted effects as possible. Objective • This study intended to examine the characteristics of medicinal plant materials that exhibit anxiolytic properties, with a special emphasis on the mechanisms of action of their active ingredients on the systems involved in the pathophysiology of anxiety...
January 15, 2018: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/29331965/right-iliac-fossa-pain-treatment-rift-study-protocol-for-an-international-multicentre-prospective-observational-study
#18
Dmitri Nepogodiev
INTRODUCTION: Patients presenting with right iliac fossa (RIF) pain are a common challenge for acute general surgical services. Given the range of potential pathologies, RIF pain creates diagnostic uncertainty and there is subsequent variation in investigation and management. Appendicitis is a diagnosis which must be considered in all patients with RIF pain; however, over a fifth of patients undergoing appendicectomy, in the UK, have been proven to have a histologically normal appendix (negative appendicectomy)...
January 13, 2018: BMJ Open
https://www.readbyqxmd.com/read/29331500/peripheral-modulation-of-the-endocannabinoid-system-in-metabolic-disease
#19
REVIEW
Nirajan Shrestha, James S M Cuffe, Dana S Hutchinson, John P Headrick, Anthony V Perkins, Andrew J McAinch, Deanne H Hryciw
Dysfunction of the endocannabinoid system (ECS) has been identified in metabolic disease. Cannabinoid receptor 1 (CB1) is abundantly expressed in the brain but also expressed in the periphery. Cannabinoid receptor 2 (CB2) is more abundant in the periphery, including the immune cells. In obesity, global antagonism of overexpressed CB1 reduces bodyweight but leads to centrally mediated adverse psychological outcomes. Emerging research in isolated cultured cells or tissues has demonstrated that targeting the endocannabinoid system in the periphery alleviates the pathologies associated with metabolic disease...
January 10, 2018: Drug Discovery Today
https://www.readbyqxmd.com/read/29331402/tailored-surgical-treatment-of-duodenal-polyposis-in-familial-adenomatous-polyposis-syndrome
#20
Toms Augustin, Maitham A Moslim, Andrew Tang, R Matthew Walsh
BACKGROUND: To review our experience in patients undergoing operative treatment for duodenal polypoisis associated with familial adenomatous polyposis with an emphasis on operative approach and long-term outcomes. METHODS: Duodenal polypoisis associated with familial adenomatous polyposis patients undergoing operative treatment were studied retrospectively excluding patients with preoperative duodenal cancer. RESULTS: Of 767 patients in the database, 63 (8...
January 10, 2018: Surgery
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