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Cytopathology

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https://www.readbyqxmd.com/read/28734572/experience-of-the-implementation-of-rapid-on-site-evaluation-in-ultrasound-guided-fine-needle-aspiration-biopsy-of-thyroid-nodules
#1
Flor Marina Medina Chamorro, José Abella Calle, Juliana Escobar Stein, Lina Merchancano, Andrés Mauricio Mendoza Briñez, Andrés Arturo Pulido Wilches
OBJECTIVE: To evaluate the effect of the implementation of the rapid on-site evaluation (ROSE) technique in ultrasound-guided fine-needle aspiration biopsy of thyroid nodules. MATERIALS AND METHODS: We conducted an observational and retrospective study approved by the Institutional Ethics Committee as an investigation without risk. Between January 2012 and December 2015, 892 ultrasound-guided fine-needle aspiration biopsy procedures were performed under ultrasound guidance...
June 27, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28731534/internal-quality-control-in-an-academic-cytopathology-laboratory-for-the-introduction-of-a-new-reporting-system-for-endometrial-cytology
#2
Niki Margari, Abraham Pouliakis, Dionysios Aninos, Christos Meristoudis, Magdalini Stamataki, Ioannis Panayiotides, Petros Karakitsos
BACKGROUND: To evaluate reproducibility of a reporting system for endometrial cytology. METHODS: Cytologic slides from 49 patients, prepared via liquid based cytology, were blindly examined by five cytopathologists of various experience levels, applying a recently introduced reporting system as previously reported. The agreement among cytopathologists was evaluated via Kappa (κ) statistics and the Kendall's Coefficient of Variation (W); cytologic results were compared with the relevant histologic report...
July 21, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28730414/erratum-to-cytopathology-of%C3%A2-pericardial-effusions-experience-from-a%C3%A2-tertiary-center-of%C3%A2-cardiology
#3
C Gecmen, G G Gecmen, D Ece, M Kahyaoğlu, A Kalayci, C Y Karabay, O Candan, M E Isik, F Yilmaz, O Akgun, M Celik, I A Izgi, C Kirma, S Keser
No abstract text is available yet for this article.
July 20, 2017: Herz
https://www.readbyqxmd.com/read/28718513/the-fine-needle-aspiration-of-translocation-sarcomas
#4
C J VandenBussche, C L Adams, O G McDonald, S A Whitworth, S Z Ali
INTRODUCTION: Soft tissue sarcomas comprise a heterogeneous group of clinically aggressive cancers that are often hard to classify on limited cytological samples. "Translocation sarcomas" (TS) are a diverse subset of such cancers, different from pleomorphic sarcomas, and characterised by unique single chromosomal translocations in each sarcoma subtype. Interestingly, despite their high-grade biological behaviour, TS have deceptively monotonous and bland cytomorphology, therefore creating diagnostic issues on limited samples...
July 17, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28708928/the-milan-system-for-reporting-salivary-gland-cytopathology-analysis-and-suggestions-of-initial-survey
#5
Esther Diana Rossi, William C Faquin, Zubair Baloch, Güliz A Barkan, Maria Pia Foschini, Marc Pusztaszeri, Philippe Vielh, Daniel F I Kurtycz
BACKGROUND: An international panel of experts in the field of salivary gland cytology (SGC), supported by the American Society of Cytopathology (ASC) and the International Academy of Cytology, conducted a survey to seek evidence and practice patterns regarding SGC. Results were used to provide focus for the proposed Milan System for Reporting Salivary Gland Cytopathology. METHODS: The study group, formed during the 2015 European Congress of Cytology held in Milan, Italy, generated a survey that included 49 specific questions related to the taxonomies, practices, and diagnostic entities of salivary cytology...
July 14, 2017: Cancer
https://www.readbyqxmd.com/read/28704594/critical-diagnoses-in-cytopathology-experience-at-a-large-medical-center
#6
Juan Xing, Lindsey Seigh, Sara E Monaco, N Paul Ohori, Samuel A Yousem, Rajnikant Amin, Liron Pantanowitz
BACKGROUND: Critical values have been well established and accepted in laboratory medicine, but to the authors' knowledge are less well accepted in anatomic pathology. Herein, the authors used a reporting process whereby reports with critical diagnoses were coded to ensure that the patient's clinical team was promptly notified electronically of this finding. The aim of the current study was to determine whether this coding mechanism was used appropriately for critical cytopathology diagnoses in the study health care system...
July 13, 2017: Cancer
https://www.readbyqxmd.com/read/28701827/malignancy-rate-in-thyroid-nodules-categorized-as-atypia-of-undetermined-significance-or-follicular-lesion-of-undetermined-significance-an-institutional-experience
#7
Smita Chandra, Harish Chandra, Sampan S Bisht
INTRODUCTION: Atypia of undetermined significance (AUS) or follicular lesion of undetermined significance (FLUS) of Bethesda system for reporting thyroid cytopathology has emerged as most controversial category due to its heterogeneity and inconsistent usage. Initially associated risk of malignancy was estimated to be about 5-15%, but eventually different results have been obtained across institutions due to variable follow-ups and interpretation. The present study was conducted to evaluate the rate of malignancy along with appropriate management in this category...
July 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28701825/role-of-cell-block-in-cytopathologic-evaluation-of-image-guided-fine-needle-aspiration-cytology
#8
Elizabath P Mathew, Vijayalakshmi Nair
CONTEXT: Fine needle aspiration cytology (FNAC) of superficial or deep-seated lesion is an increasingly common practice, eliminating time consuming and costly diagnostic procedures and providing rapid and safe diagnosis. AIMS: To assess utility of cell block preparation method in increasing sensitivity of cytodiagnosis in deep-seated image-guided FNACs. SETTINGS AND DESIGN: This was a hospital-based observational study conducted in the Department of Pathology, over a period of one and a half years...
July 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28701706/intraoperative-frozen-section-can-be-reduced-in-thyroid-nodules-classified-as-bethesda-categories-v-and-vi
#9
Jing Huang, Jieli Luo, Jianshe Chen, Yang Sun, Chao Zhang, Kanlun Xu, Qin Ye, Pintong Huang
Intraoperative frozen section (FS) can be reduced during thyroid lobectomy according to the results of fine needle aspiration (FNA). We evaluated the role of intraoperative FS in thyroid nodules with different diagnostic categories of the Bethesda System for Reporting Thyroid Cytopathology by FNA. This retrospective study included 1,235 nodules collected via thyroidectomy with both preoperative FNA and intraoperative FS at the Second Affiliated Hospital of Zhejiang University School of Medicine, from January 2011 to January 2014...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28699990/likelihood-of-malignancy-in-thyroid-nodules-according-to-a-proposed-thyroid-imaging-reporting-and-data-system-ti-rads-classification-merging-suspicious-and-benign-ultrasound-features
#10
Ricardo Luiz Costantin Delfim, Leticia Carrasco Garcez da Veiga, Ana Paula Aguiar Vidal, Flávia Paiva Proença Lobo Lopes, Mário Vaisman, Patrícia de Fatima Dos Santos Teixeira
Objective: The aim of this study was to describe the ultrasound features of benign and malignant thyroid nodules and evaluate the likelihood of malignancy associated with each feature according to the Bethesda System for Reporting Thyroid Cytopathology and histopathology. With this analysis, we propose a new TI-RADS classification system. Materials and methods: The likelihood of malignancy from ultrasound features were assessed in 1413 thyroid nodules according to the Bethesda System for Reporting Thyroid Cytopathology and histopathological findings...
May 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28698279/zika-virus-persistently-infects-and-is-basolaterally-released-from-primary-human-brain-microvascular-endothelial-cells
#11
Megan C Mladinich, John Schwedes, Erich R Mackow
Zika virus (ZIKV) is a mosquito-borne Flavivirus that has emerged as the cause of encephalitis and fetal microencephaly in the Americas. ZIKV uniquely persists in human bodily fluids for up to 6 months, is sexually transmitted, and traverses the placenta and the blood-brain barrier (BBB) to damage neurons. Cells that support persistent ZIKV replication and mechanisms by which ZIKV establishes persistence remain enigmatic but central to ZIKV entry into protected neuronal compartments. The endothelial cell (EC) lining of capillaries normally constrains transplacental transmission and forms the BBB, which selectively restricts access of blood constituents to neurons...
July 11, 2017: MBio
https://www.readbyqxmd.com/read/28696007/comparison-of-conventional-cytology-and-surepath-in-split-thyroid-fine-needle-aspiration-materials
#12
D Sahin, D Yilmazbayhan, P Firat, U P Hacisalihoglu, S H Kirimlioglu, E Celenk, R Arslan
OBJECTIVE: The aim of the present study was to compare the cytomorphological features and cytopathological diagnoses in thyroid aspiration materials prepared by SurePath® (SP) and conventional cytology (CC). MATERIALS AND METHODS: Fine needle aspiration (FNA) materials from 180 thyroid nodules were divided into two groups to prepare three conventional smears and one SP slide. Twenty-nine cytomorphological features of thyroid lesions were compared in the CC and SP slides...
July 11, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28695237/cytopathology-of-pericardial-effusions-experience-from-a-tertiary-center-of-cardiology
#13
C Gecmen, G G Gecmen, D Ece, M Kahyaoğlu, A Kalayci, C Y Karabay, O Candan, M E Isik, F Yilmaz, O Akgun, M Celik, I A Izgi, C Kirma, S Keser
BACKGROUND: Pericardial effusion (PE) is a common clinical condition that can develop as a result of systemic or cardiac diseases. Here, we report the results of cytology for patients who underwent pericardiocentesis for PE. METHODS: The study comprised 283 patients who underwent primary percutaneous pericardiocentesis between 2007 and 2016. The mean age of the patients was 60.0 ± 16.6 years; 162 (57.2%) were male and 121 (42.8%) were female. The presence of reactive mesothelial cells, acute and chronic inflammatory cells, and/or blood without evidence of malignant cells was considered as benign...
July 10, 2017: Herz
https://www.readbyqxmd.com/read/28693006/two-fortuitous-papers-in-1917-that-conceived-diagnostic-cytopathology
#14
Nikolaos Chantziantoniou
No abstract text is available yet for this article.
July 11, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28689321/underestimated-risk-of-cancer-in-solitary-thyroid-nodules-%C3%A2-3%C3%A2-cm-reported-as-benign
#15
Sohail Bakkar, Anello Marcello Poma, Caterina Corsini, Mario Miccoli, Carlo Enrico Ambrosini, Paolo Miccoli
BACKGROUND: The study aims to assess the risk of cancer in solitary thyroid nodules ≥30 mm in size reported as Bethesda II, and its implications. METHOD: The clinical records of 202 patients, who underwent thyroid lobectomy for solitary nodules measuring ≥30 mm, reported as Bethesda II on preoperative FNAC between Jan 2015 and Apr 2016 were reviewed. Data collected included nodule size and consistency, and final histopathology results. The risk of cancer and the recommended management according to ATA guidelines were the outcomes of interest...
July 8, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28672062/liquid-based-cytology-for-the-diagnosis-of-solid-pancreatic-tumors-with-endoscopic-ultrasound-guided-fine-needle-aspiration-can-we-dismiss-conventional-smear
#16
Carlos Bernardes, Diana Carvalho, Gonçalo Ramos
Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) has become crucial for the management of pancreatic tumors(1) . Liquid-based cytology (LBC) has proven to be effective for the cytopathological characterization of several malignancies; however, its value in the approach of pancreatic neoplasms is not fully established yet(2-4) . With great interest, we carefully read the retrospective study conducted by Hashimoto and colleagues, which reported higher sensitivity and accuracy rates with LBC for diagnosing pancreatic ductal adenocarcinoma (PDAC) when compared to conventional smear (CS)(5) ...
July 3, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28671182/a-transcriptomics-data-driven-gene-space-accurately-predicts-liver-cytopathology-and-drug-induced-liver-injury
#17
Pekka Kohonen, Juuso A Parkkinen, Egon L Willighagen, Rebecca Ceder, Krister Wennerberg, Samuel Kaski, Roland C Grafström
Predicting unanticipated harmful effects of chemicals and drug molecules is a difficult and costly task. Here we utilize a 'big data compacting and data fusion'-concept to capture diverse adverse outcomes on cellular and organismal levels. The approach generates from transcriptomics data set a 'predictive toxicogenomics space' (PTGS) tool composed of 1,331 genes distributed over 14 overlapping cytotoxicity-related gene space components. Involving ∼2.5 × 10(8) data points and 1,300 compounds to construct and validate the PTGS, the tool serves to: explain dose-dependent cytotoxicity effects, provide a virtual cytotoxicity probability estimate intrinsic to omics data, predict chemically-induced pathological states in liver resulting from repeated dosing of rats, and furthermore, predict human drug-induced liver injury (DILI) from hepatocyte experiments...
July 3, 2017: Nature Communications
https://www.readbyqxmd.com/read/28670850/cystic-major-salivary-gland-lesions-utilizing-fine-needle-aspiration-to-optimize-the-clinical-management-of-a-broad-and-diverse-differential-diagnosis
#18
Derek B Allison, Austin M McCuiston, Satomi Kawamoto, David W Eisele, Justin A Bishop, Zahra Maleki
INTRODUCTION: The use of fine-needle aspiration (FNA) cytology for the preoperative evaluation of salivary gland lesions is an accepted but, currently, nonstandardized practice. More specifically, cystic major salivary gland lesions are relatively rare and can be very challenging to diagnose on FNA due to low cellularity and an incredibly broad differential diagnosis. The purpose of this study was to investigate the diagnostic utility of preoperative FNA cytology for cystic major salivary gland lesions...
July 3, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28668915/mechanical-ventilation-and-cytopathological-changes-in-the-oral-mucosa
#19
Ana Carolina Machado Landgraf, Angélica Reinheimer, Júlio Cezar Merlin, Soraya de Azambuja Berti Couto, Paulo Henrique Couto Souza
BACKGROUND: The oral mucosa is an important defense barrier to penetration of microorganisms. Thus, changes in the oral epithelium might indicate risk for infection in intensive care patients receiving mechanical ventilation. OBJECTIVE: To evaluate the oral mucosa of intensive care patients who did or did not receive mechanical ventilation by using liquid-base exfoliative cytology. METHODS: The sample consisted of 3 groups: 27 patients admitted to intensive care during a 7- to 14-day period who received mechanical ventilation, 29 patients admitted during the same period who did not receive mechanical ventilation, and 27 healthy patients who had no lesions in the mouth...
July 2017: American Journal of Critical Care: An Official Publication, American Association of Critical-Care Nurses
https://www.readbyqxmd.com/read/28663518/amyloid-precursor-protein-and-endosomal-lysosomal-dysfunction-in-alzheimer-s-disease-inseparable-partners-in-a-multifactorial-disease
#20
REVIEW
Ralph A Nixon
Abnormalities of the endosomal-lysosomal network (ELN) are a signature feature of Alzheimer's disease (AD). These include the earliest known cytopathology that is specific to AD and that affects endosomes and induces the progressive failure of lysosomes, each of which are directly linked by distinct mechanisms to neurodegeneration. The origins of ELN dysfunction and β-amyloidogenesis closely overlap, which reflects their common genetic basis, the established early involvement of endosomes and lysosomes in amyloid precursor protein (APP) processing and clearance, and the pathologic effect of certain APP metabolites on ELN functions...
July 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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