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Cytopathology

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https://www.readbyqxmd.com/read/29161789/current-status-of-thyroid-fine-needle-aspiration-practice-in-thailand
#1
REVIEW
Somboon Keelawat, Samreung Rangdaeng, Supinda Koonmee, Tikamporn Jitpasutham, Andrey Bychkov
Thyroid carcinoma is one of the leading malignancies in Thailand increasingly prevalent in the female population. Fine-needle aspiration (FNA) cytology is a widely used diagnostic tool for evaluation of thyroid nodules and thyroid cancer. Thyroid FNA is a routine procedure universally performed in Thai hospitals by a variety of clinical specialists. Manual guidance is the first-line choice complemented by ultrasound assistance in selected cases. Despite national guidelines recommendations, the diagnostic criteria and terminology of the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) was slowly adopted in the local settings...
November 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29160163/cancer-risk-associated-with-nuclear-atypia-in-cytologically-indeterminate-thyroid-nodules-a-systematic-review-and-meta-analysis
#2
Pablo Valderrabano, Laila Khazai, Zachary J Thompson, Susan C Sharpe, Valentina D Tarasova, Kristen J Otto, Julie E Hallanger-Johnson, J Trad Wadsworth, Bruce M Wenig, Christine H Chung, Barbara A Centeno, Bryan McIver
BACKGROUND: Indeterminate categories of thyroid cytopathology (categories B-III and B-IV of the Bethesda system) are integrated by a heterogeneous spectrum of cytological scenarios that are generally clustered for analysis and management recommendations. It has been suggested that aspirates exhibiting nuclear atypia have a higher risk of malignancy. We assess whether cytologically indeterminate thyroid nodules with nuclear atypia have a significantly higher cancer risk than those without nuclear atypia...
November 21, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29158102/human-papillomavirus-types-from-infection-to-cancer-in-the-anus-according-to-sex-and-hiv-status-a-systematic-review-and-meta-analysis
#3
Chunqing Lin, Silvia Franceschi, Gary M Clifford
BACKGROUND: Data on carcinogenicity of human papillomavirus (HPV) types in the anus are needed to inform anal cancer prevention through vaccination and screening. This is particularly the case for people infected with HIV, who are at an increased risk of anal cancer. METHODS: We did a systematic review of studies published from January, 1986, to July, 2017, in MEDLINE, Embase, and the Cochrane Library on anal HPV infection, without any language restrictions. Eligible studies reported type-specific HPV prevalence by strata of cytopathological or histopathological anal diagnosis, sex, and HIV status...
November 17, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29151086/analysis-of-the-cytomorphological-features-in-atypical-urine-specimens-following-application-of-the-paris-system-for-reporting-urinary-cytology
#4
Ryan Glass, Lisa Rosen, Karen Chau, Sylvat Sheikh-Fayyaz, Peter Farmer, Constantinos Coutsouvelis, Farah Slim, Ryan Brenkert, Kasturi Das, Stephen Raab, Rubina Cocker
BACKGROUND: This study investigates the use of The Paris System (TPS) for Reporting Urinary Cytopathology and examines the performance of individual and combined morphological features in atypical urine cytologies. METHODS: We reviewed 118 atypical cytologies with subsequent bladder biopsies for the presence of several morphological features and reclassified them into Paris System categories. The sensitivity and specificity of individual and combined features were calculated along with the risk of malignancy...
November 18, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/29148178/training-in-molecular-cytopathology-testing
#5
REVIEW
P Maxwell, M Salto-Tellez
Training in molecular cytopathology testing is essential in developing and maintaining skills in modern molecular technologies as they are introduced to a universal health care system such as extant in the UK and elsewhere. We review the system in place in Northern Ireland (NI) for molecular testing of solid tumours, as an example to train staff of all grades, including pathologists, clinical scientists, biomedical scientists and equivalent technical grades. We describe training of pathologists as part of the NI Deanery medical curriculum, the NI training programme for scientists and laboratory rotation for Biomedical Scientists...
November 17, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/29141205/investigation-of-alimentary-canal-ultrastructure-following-knockdown-of-the-dicer-2-gene-in-planthoppers-reveals-the-potential-pathogenicity-of-southern-rice-black-streaked-dwarf-virus-to-its-insect-vector
#6
Yuyan Liu, Qianzhuo Mao, Hanhong Lan, Haitao Wang, Taiyun Wei, Qian Chen
An increasing number of studies are suggesting that plant viruses, including southern rice black-streaked dwarf virus (SRBSDV), can adversely affect biological characteristics of insect vectors by unknown mechanisms. To study the adverse effect of SRBSDV at cellular level on the insect vector, we promoted viral infection by the disruption of the small interfering RNA (siRNA) pathway. The transmission electron microscopy was utilized to describe the ultrastructural changes that occurred in insects when the core component of the siRNA pathway, Dicer-2, was knocked down...
November 12, 2017: Virus Research
https://www.readbyqxmd.com/read/29135538/cervical-morbidity-in-alsace-france-results-from-a-regional-organized-cervical-cancer-screening-program
#7
Jean-Jacques Baldauf, Muriel Fender, Christine Bergeron, Emilie Marrer, Michel Velten, Pierre Pradat, Marc Arbyn
In 1994, a pilot program of cervical cancer screening was introduced in the Alsace region, France. Women aged 25-65 years were proposed to have one Pap smear every 3 years. The objective was to assess cervical morbidity in Alsace before the human papillomavirus vaccinated population reaches the age of screening. Data on cervical lesions and cancers were collected by EVE for the period September 2008 to August 2011 from existing medical services and cytopathology laboratories in Alsace. Cytological and histological data were completed with data from the two cancer registries covering the region (Bas-Rhin and Haut-Rhin)...
November 13, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/29131530/biomarkers-for-immune-checkpoint-inhibitors-the-importance-of-tumor-topography-and-the-challenges-to-cytopathology
#8
REVIEW
Douglas P Clark
The recent emergence of immune checkpoint inhibitors for cancer therapy has created much excitement among cancer patients, drug and diagnostic developers, and health care professionals. This is due largely to the dramatic and sustained responses among some advanced cancers that were previously refractory to therapy. Unfortunately, these responses are difficult to predict, so the goal of the right drug for the right patient at the right time remains elusive. This is in part due to the complexity of the tumor immune microenvironment and its role in drug efficacy...
November 13, 2017: Cancer
https://www.readbyqxmd.com/read/29118474/cytological-evaluation-of-thyroid-lesions-by-nuclear-morphology-and-nuclear-morphometry
#9
R Yashaswini, T N Suresh, A Sagayaraj
Introduction: Fine needle aspiration (FNA) of the thyroid gland is an effective diagnostic method. The Bethesda system for reporting thyroid cytopathology classifies them into six categories and gives implied risk for malignancy and management protocol in each category. Though the system gives specific criteria, diagnostic dilemma still exists. Using nuclear morphometry, we can quantify the number of parameters, such as those related to nuclear size and shape. The evaluation of nuclear morphometry is not well established in thyroid cytology...
October 2017: Journal of Cytology
https://www.readbyqxmd.com/read/29115040/telecytology-is-it-possible-with-smartphone-images
#10
Davut Sahin, Uguray Payam Hacisalihoglu, Saime Hale Kirimlioglu
INTRODUCTION: This study aimed to discuss smartphone usage in telecytology and determine intraobserver concordance between microscopic cytopathological diagnoses and diagnoses derived via static smartphone images. METHODS: The study was conducted with 172 cytologic material. A pathologist captured static images of the cytology slides from the ocular lens of a microscope using a smartphone. The images were transferred via WhatsApp® to a cytopathologist working in another center who made all the microscopic cytopathological diagnoses 5-27 months ago...
November 8, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29108912/autophagy-activation-is-required-for-influenza-a-virus-induced-apoptosis-and-replication
#11
B Yeganeh, S Ghavami, Md N Rahim, T Klonisch, A J Halayko, K M Coombs
Autophagy and apoptosis are two major interconnected host cell responses to viral infection, including influenza A virus (IAV). Thus, delineating these events could facilitate the development of better treatment options and provide an effective anti-viral strategy for controlling IAV infection. We used A549 cells and mouse embryonic fibroblasts (MEF) to study the role of virus-induced autophagy and apoptosis, the cross-talk between both pathways, and their relation to IAV infection [ATCC strain A/Puerto Rico/8/34(H1N1) (hereafter; PR8)]...
November 3, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29108474/molecular-testing-for-oncogenic-gene-alterations-in-pediatric-thyroid-lesions
#12
Sogol Mostoufi-Moab, Emmanuel Labourier, Lisa Sullivan, Virginia A LiVolsi, Yimei Li, Rui Xiao, Sylvie Beaudenon-Huibregtse, Ken Kazahaya, N Scott Adzick, Zubair W Baloch, Andrew J Bauer
BACKGROUND: Thyroid nodules are less common in pediatric patients (≤18 years) than in adults. The Bethesda System for Reporting Thyroid Cytopathology allows for individual risk stratification, but a significant number of nodules are indeterminate. Incorporating gene mutation panels and gene expression classifiers may aid in pre-operative diagnosis. The overall aim of this study was to assess the prevalence of oncogene alterations in a representative pediatric population and across a broad-spectrum of thyroid tumor diagnoses...
November 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29099902/correlation-between-the-fceai-and-diagnostic-parameters-in-chronic-enteropathies-in-147-cats-2006-2012
#13
Stefanie Mitze, Katharina Moser, Erik Teske, Wolf V Bomhard, Christian Stockhaus
OBJECTIVE: The Feline Chronic Enteropathy Activity Index (FCEAI) has been established as a quantitative index for disease activity in chronic enteropathies in cats. A definite diagnosis is aimed at histology with initial exclusion of extraintestinal causes by laboratory examinations, diagnostic imaging and endoscopy. The study aimed to examine diagnostic parameters and FCEAI in chronic gastroenteropathies. MATERIALS AND METHODS: A retrospective case review of 147 cats with chronic enteropathies was performed...
November 3, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/29091573/the-2017-bethesda-system-for-reporting-thyroid-cytopathology
#14
Edmund S Cibas, Syed Z Ali
The Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) established a standardized, category-based reporting system for thyroid fine-needle aspiration (FNA) specimens. The 2017 revision reaffirms that every thyroid FNA report should begin with one of six diagnostic categories, the names of which remain unchanged since they were first introduced: (i) nondiagnostic or unsatisfactory; (ii) benign; (iii) atypia of undetermined significance (AUS) or follicular lesion of undetermined significance (FLUS); (iv) follicular neoplasm or suspicious for a follicular neoplasm; (v) suspicious for malignancy; and (vi) malignant...
November 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29091005/thyroid-nodules-with-nondiagnostic-cytologic-results-follow-up-management-using-ultrasound-patterns-based-on-the-2015-american-thyroid-association-guidelines
#15
Chae Jung Park, Eun-Kyung Kim, Hee Jung Moon, Jung Hyun Yoon, Vivian Youngjean Park, Jin Young Kwak
OBJECTIVE: The purpose of this study was to evaluate the malignancy rate of nodules with nondiagnostic cytologic results based on the American Thyroid Association (ATA) ultrasound (US) patterns and to suggest management guidelines for these nodules. MATERIALS AND METHODS: From January 2013 to December 2014, 441 nodules (≥ 1 cm) were found in 437 patients with nondiagnostic results of ultrasound (US)-guided fine-needle aspiration biopsy (nondiagnostic nodules)...
November 1, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29084374/assessing-cytopathology-milestones-with-checklists-and-online-learning
#16
Roseann I Wu
No abstract text is available yet for this article.
October 30, 2017: Cancer
https://www.readbyqxmd.com/read/29081620/cardioprotective-effect-of-coenzyme-q10-on-apoptotic-myocardial-cell-death-by-regulation-of-bcl-2-gene-expression
#17
Najam Ali Khan, M Abid, Aftab Ahmad, Mohammed F Abuzinadah, Mohammed Basheikh, Kamal Kishore
OBJECTIVES: To investigate the effect of coenzyme Q10 (CoQ10) on apoptotic myocardial cell death in rat model of heart ischemia and reperfusion I/R injury. MATERIALS AND METHODS: Eighteen rats (200-250 g) were divided into three groups of 6 rats in each. Group I (sham-operated control group): this is the control group. The animals received the surgical procedure without IR injury or any drug treatment. Group II (I/R group): ischemia was accomplished by the occlusion of coronary artery for 30 min followed by reperfusion for 45 min and Group-III (Coenzyme Q10 treated group): Treated with CoQ10 at a dose of 1 mg/kg, postoperative for 7 days before induction of IR injury...
July 2017: Journal of Pharmacology & Pharmacotherapeutics
https://www.readbyqxmd.com/read/29076916/68ga-dotatate-uptake-in-a-soft-tissue-metastasis-from-clear-cell-renal-cell-cancer
#18
S Vamadevan, K Le, L Shen, A Stevanovic, H Loh, R Mansberg
A 64-year-old man with a history of metastatic clear cell renal cell cancer was referred for progress Ga-DOTATATE PET/CT imaging. Ga-DOTATATE PET/CT imaging demonstrated increased DOTATATE uptake (SUVmax 13.8) in the left thigh localized to a soft tissue lesion. Cytopathology of the resected lesion was in keeping with a clear cell renal cell cancer metastasis. This case illustrates that Ga-DOTATATE accumulation in a soft tissue lesion can be due to a clear cell renal cell cancer metastasis.
October 26, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29076658/fine-needle-aspiration-cytology-of-hepatic-metastases-of-neuroendocrine-tumors-a-20-year-retrospective-single-institutional-study
#19
Omer A M Saeed, Harvey Cramer, Xiaoyan Wang, Howard H Wu
BACKGROUND: Fine needle aspiration (FNA) is considered an excellent technique for documenting metastatic neuroendocrine tumors (NETs). This study aims to evaluate the accuracy of FNA in diagnosing metastatic NETs to the liver and determining the grade and origin of these metastases. METHODS: Our laboratory information system was searched from 1997 to 2016 to identify all cases of metastatic NETs to the liver that were sampled by FNA. The cytopathology and surgical pathology reports as well as the patients' electronic medical records were reviewed...
October 27, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29075565/assisting-the-neurologist-in-diagnosis-of-cns-malignancies-current-possibilities-and-limits-of-cerebrospinal-fluid-cytology-and-immunocytochemistry
#20
Jaroslava Dušková, Ondřej Sobek
OBJECTIVES: In tumorous impairment of CNS, cytological identification of the neoplastic cells in CSF frequently requires the use of ancillary techniques. Our methods are focused on identifying algorithms that increase the probability of identifying CSF malignant cells. MATERIALS AND METHODS: A total of 1.272 CSF samples from patients with tumorous infiltration of CNS of nonhematologic origin along with 721 samples from patients with hematologic malignancies were analyzed in a complex setting including cytological and immunocytochemical investigations...
October 2017: Brain and Behavior
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