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David M Murray, Sherri L Pals, Stephanie M George, Andrey Kuzmichev, Gabriel Y Lai, Jocelyn A Lee, Ranell L Myles, Shakira M Nelson
The purpose of this paper is to summarize current practices for the design and analysis of group-randomized trials involving cancer-related risk factors or outcomes and to offer recommendations to improve future trials. We searched for group-randomized trials involving cancer-related risk factors or outcomes that were published or online in peer-reviewed journals in 2011-15. During 2016-17, in Bethesda MD, we reviewed 123 articles from 76 journals to characterize their design and their methods for sample size estimation and data analysis...
March 15, 2018: Preventive Medicine
Safa Alshaikh, Zainab Harb, Eman Aljufairi, S Ali Almahari
Background: Fine-needle aspiration cytology (FNAC) of thyroid is the initial screening test for thyroid nodules. The Bethesda system classifies thyroid FNAC into six categories. Each category is linked to a malignancy risk and has a recommended clinical management. The aim of this study is to analyze the thyroid cytology smears by Bethesda system and to correlate the diagnosis of cytopathology with histopathology, whenever surgery was done. Materials and Methods: This study presents our experience with the Bethesda system in 681 thyroid FNAs from 632 patients in the period between January 2013 and December 2016...
2018: CytoJournal
Bekir Kuru, Mehmet Kefeli
BACKGROUND: Thyroid nodules diagnosed as Bethesda category IV [follicular neoplasm/suspicious for follicular neoplasm (FN/SFN)] are recommended for surgery. However, only 10%-40% of these nodules turn out to be malignant on histopathological examination. Therefore, selection for surgery of nodules diagnosed as Bethesda category IV is important. We aimed to define predictive factors for malignancy and factors associated with triage to surgery. METHODS: The records of all patients with nodules who underwent fine needle aspiration biopsy (FNAB) and classified by Bethesda reporting system as FN/SFN between January 2011 and July 2017 at our institution were reviewed...
March 10, 2018: Diagnostic Cytopathology
Fatma Beyazit, Fatma Sılan, Meryem Gencer, Buket Aydin, Barış Paksoy, Mesut A Unsal, Ozturk Ozdemir
OBJECTIVES: Cervical cancer is the second most common type of cancer for women worldwide with a great proportion proved to be related to human papillomavirus (HPV) infection. As infection with HPV is the strongest risk factor for cervical neoplasia, detection of HPV genotypes in cervical and vaginal specimens of women with normal and abnormal cytology seems to be of paramount importance in cervical cancer screening. The objective of the study is to evaluate the prevalence and HPV genotypes among women with normal or abnormal Pap smear tests...
2018: Ginekologia Polska
Louise Vølund Larsen, Alice Viktoria Egset, Camilla Holm, Stine Rosenkilde Larsen, Susanne Holm Nielsen, Jacob Bach, Jens Peter Helweg-Larsen, Jens Højberg Wanscher, Christian Godballe
INTRODUCTION: Fine-needle aspiration (FNA) is a cornerstone in diagnosing thyroid nodules. For decades, Danish FNA has been categorised into the groups: "FNA not performed", "Inadequate", "Cystic", "Inconclusive", "Benign", "Suspicious", "Malignant" and "Information missing". Internationally, The Bethesda Classification System (TBCS) is increasingly accepted, especially owing to a detailed specification of FNA suspicious for malignancy...
March 2018: Danish Medical Journal
Frederick O Foote, Herbert Benson, Ann Berger, Brian Berman, James DeLeo, Patricia A Deuster, David J Lary, Marni N Silverman, Esther M Sternberg
In response to the challenge of military traumatic brain injury and posttraumatic stress disorder, the US military developed a wide range of holistic care modalities at the new Walter Reed National Military Medical Center, Bethesda, MD, from 2001 to 2017, guided by civilian expert consultation via the Epidaurus Project. These projects spanned a range from healing buildings to wellness initiatives and healing through nature, spirituality, and the arts. The next challenge was to develop whole-body metrics to guide the use of these therapies in clinical care...
2018: Global Advances in Health and Medicine: Improving Healthcare Outcomes Worldwide
Gilda da Cunha Santos
CONTEXT: - Traditional methods for storing histologic and cytologic specimens for future use in molecular assays have consisted of either snap-freezing with cryopreservation or formalin-fixing, paraffin-embedding the samples. Although snap-freezing with cryopreservation is recommended for better preservation of nucleic acids, the infrastructure and space required for archiving impose challenges for high-volume pathology laboratories. Cost-effective, long-term storage at room temperature; relatively easy shipment; and standardized handling can be achieved with formalin-fixed, paraffin-embedded samples, but formalin fixation induces fragmentation and chemical modification of nucleic acids...
March 2018: Archives of Pathology & Laboratory Medicine
Matteo Fassan
CONTEXT: - Comprehensive molecular investigations of mainstream carcinogenic processes have led to the use of effective molecular targeted agents in most cases of solid tumors in clinical settings. OBJECTIVE: - To update readers regarding the evolving role of the pathologist in the therapeutic decision-making process and the introduction of next-generation technologies into pathology practice. DATA SOURCES: - Current literature on the topic, primarily sourced from the PubMed (National Center for Biotechnology Information, Bethesda, Maryland) database, were reviewed...
March 2018: Archives of Pathology & Laboratory Medicine
B D Adkins, A B Barlow, A Jack, S J Schultenover, M M Desouki, A C Coogan, V L Weiss
INTRODUCTION: The characteristic features of Papanicolaou (Pap) tests collected from female-to-male (FTM) transgender patients on androgen therapy have not been well defined in the literature. FTM transgender patients require cervical cancer screening with the same recommended frequency as cis-gender females. Dysplasia remains challenging to differentiate from atrophy. Without pertinent history, the atrophic findings in younger transgender patients can be misinterpreted as high-grade dysplasia...
February 28, 2018: Cytopathology: Official Journal of the British Society for Clinical Cytology
Polycarp Erivwo, Chandrani Ghosh
INTRODUCTION: The rates of atypia of undetermined significance (AUS) by fine-needle aspiration (FNA) and malignant outcomes have been estimated at < 7% and 5-15%, respectively. Initial AUS diagnosis is followed up clinically with serial ultrasounds, repeat FNA, molecular testing, or direct surgery. We investigated the incidence, follow-up modalities, and final outcomes of AUS in Newfoundland. METHODS: All cases of AUS diagnosed at the Eastern Health Cytology Laboratory between 1 January 2010 and 31 December 2013 were identified...
February 27, 2018: Acta Cytologica
Franco Fulciniti, Kenji Yanoh, Petros Karakitsos, Jun Watanabe, Alessia Di Lorito, Niki Margari, Yoshinobu Maeda, Maki Kihara, Yoshiaki Norimatsu, Tadao K Kobayashi, Yasuo Hirai
BACKGROUND: The main purpose of directly sampled endometrial cytology is to detect invasive endometrial malignancies. With this principle in mind, The Yokohama System (TYS) Working Group, composed of cytopathologists, surgical pathologists, and gynecologic oncologists met at the 2016 International Congress of Cytology, Yokohama, with the aim to publish a standardized reporting system inclusive of specific diagnostic categories and cytomorphologic criteria for uniform and reliable diagnosis of endometrial malignancies on directly sampled endometrial samples...
February 26, 2018: Diagnostic Cytopathology
Satoyo Hosono, Teruhiko Terasawa, Takafumi Katayama, Seiju Sasaki, Keika Hoshi, Chisato Hamashima
The Bethesda system (TBS) has been used for cervical cytological diagnosis in Japan since 2008. Evaluation of specimen adequacy is the most important aspect of quality assurance and for precise diagnosis in TBS. A systematic review and meta-analysis were performed to assess the unsatisfactory specimen rate in the primary cervical cancer screening setting in Japan. Ovid MEDLINE and Ichushi-Web were searched from inception through May 2017. Prospective and retrospective studies that reported the proportion of unsatisfactory specimens in healthy asymptomatic Japanese women in a cervical cancer screening program were eligible for inclusion; 17 studies were included in the meta-analysis...
February 25, 2018: Cancer Science
Claudio Bellevicine, Roberta Sgariglia, Ilaria Migliatico, Elena Vigliar, Melania D'Anna, Maria Antonia Nacchio, Nicola Serra, Umberto Malapelle, Massimo Bongiovanni, Giancarlo Troncone
BACKGROUND: The Bethesda System for Reporting Thyroid Cytopathology category of atypia of undetermined significance/follicular lesion of undetermined significance (AUS/FLUS) includes fine-needle aspiration (FNA) specimens that cannot straightforwardly be classified as benign or malignant. To determine whether morphological subcategorization based on atypia qualifiers and molecular testing could improve malignancy risk stratification of AUS/FLUS patients, this study assessed the correlation between these qualifiers and the molecular alterations commonly harbored by thyroid neoplasms...
February 22, 2018: Cancer Cytopathology
Giovanni Guido Pompili, Silvia Tresoldi, Anna Ravelli, Alessandra Primolevo, Giovanni Di Leo, Gianpaolo Carrafiello
Purpose: The purpose of this study was to validate the role of the total malignancy score (TMS) in identifying thyroid nodules suspicious for malignancy through the sum of their ultrasound features. Methods: The local ethical committee approved this prospective observational study. We examined 231 nodules in 231 consecutive patients (164 females and 67 males; age range, 20 to 87 years; median age, 59 years; interquartile range, 48 to 70 years) who underwent ultrasound followed by fine-needle aspiration cytology (FNAC)...
January 6, 2018: Ultrasonography
B Boylan, C H Miller
INTRODUCTION: The use of pre-analytical heat treatment (PHT) with the Nijmegen-Bethesda assay (NBA) for inhibitors to factor VIII (FVIII) can remove/destroy infused or endogenous FVIII from patient plasma samples, allowing testing of recently infused patients with haemophilia. Two PHT methods have been described as follows: heating to 56°C for 30 minutes and heating to 58°C for 90 minutes. Data examining the effects of PHT on anti-FVIII IgG4 , the antibodies known to correlate most closely with the presence of FVIII inhibitors, are limited...
February 20, 2018: Haemophilia: the Official Journal of the World Federation of Hemophilia
Akiko Shinagawa, Tetsuji Kurokawa, Makoto Yamamoto, Toshimichi Onuma, Hideaki Tsuyoshi, Yoko Chino, Kazumi Iwasaki, Masaki Mori, Yoshiaki Imamura, Yoshida Yoshio
OBJECTIVE: The introduction and establishment of a new classification system for endometrial cytology, the "New Terminology in Endometrial Cytology (NTEMC) system," which is based on the Bethesda System for uterine cervical cytology, has recently been reported. However, the clinical management for new categories in the NTEMC system, particularly atypical endometrial cells (ATEC), has not been clarified. The objective of the present study is to determine how the ATEC category should be treated and whether the introduction of the system has decreased the number of unnecessary endometrial biopsies...
April 2018: Diagnostic Cytopathology
Mev Dominguez-Valentin, Sigve Nakken, Hélène Tubeuf, Daniel Vodak, Per Olaf Ekstrøm, Anke M Nissen, Monika Morak, Elke Holinski-Feder, Alexandra Martins, Pål Møller, Eivind Hovig
BACKGROUND: The genetic mechanisms for families who meet the clinical criteria for Lynch syndrome (LS) but do not carry pathogenic variants in the mismatch repair (MMR) genes are still undetermined. We aimed to study the potential contribution of genes other than MMR genes to the biological and clinical characteristics of Norwegian families fulfilling Amsterdam (AMS) criteria or revised Bethesda guidelines. METHODS: The Hereditary Cancer Biobank of the Norwegian Radium Hospital was interrogated to identify individuals with a high risk of developing colorectal cancer (CRC) for whom no pathogenic variants in MMR genes had been found in routine diagnostic DNA sequencing...
February 20, 2018: BMC Medical Genetics
Jessica Miller, Marvin L Birnbaum
In October 2010, the Haitian Ministry of Public Health and Population (MSPP; Port au Prince, Haiti) reported a cholera epidemic caused by contamination of the Artibonite River by a United Nation Stabilization Mission camp. Interventional studies of the subsequent responses, including a descriptive Methods section and systematic approach, may be useful in facilitating comparisons and applying lessons learned to future outbreaks. The purpose of this study was to examine publicly available documents relating to the 2010 cholera outbreak to answer: (1) What information is publicly available on interventional studies conducted during the epidemic, and what was/were the impact(s)? and (2) Can the interventions be compared, and what lessons can be learned from their comparison? A PubMed (National Center for Biotechnology Information, National Institutes of Health; Bethesda, Maryland USA) search was conducted using the parameters "Haiti" and "cholera...
February 19, 2018: Prehospital and Disaster Medicine
Lisa M J Lee, Haviva M Goldman, Michael Hortsch
Over the last 20 years, virtual microscopy has become the predominant modus of teaching the structural organization of cells, tissues, and organs, replacing the use of optical microscopes and glass slides in a traditional histology or pathology laboratory setting. Although virtual microscopy image files can easily be duplicated, creating them requires not only quality histological glass slides but also an expensive whole slide microscopic scanner and massive data storage devices. These resources are not available to all educators and researchers, especially at new institutions in developing countries...
February 14, 2018: Anatomical Sciences Education
Isabel Amendoeira, Tiago Maia, Manuel Sobrinho-Simões
The 2017 edition of the WHO book on Classification of Tumours of Endocrine Organs includes a new section entitled 'Other encapsulated follicular-patterned thyroid tumours', in which the newly created NIFTP (non-invasive follicular thyroid neoplasm with papillary-like nuclear features) is identified and described in detail. Despite deleting the word 'carcinoma' from its name, NIFTP is not a benign tumor either and is best regarded as a neoplasm with 'very low malignant potential'. The main goal of the introduction of NIFTP category is to prevent overdiagnosis and overtreatment...
April 2018: Endocrine-related Cancer
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