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Cytopathology

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https://www.readbyqxmd.com/read/28324872/changing-trends-and-practices-in-cytopathology
#1
Maria F Gonzalez, Israh Akhtar, Varsha Manucha
OBJECTIVE: To explore the current and anticipated changes in the practice of cytopathology. STUDY DESIGN: The present review is based on a review of recent literature and an evaluation of the authors' personal experiences. RESULTS AND CONCLUSION: In recent years the practice of cytopathology, nationwide and in our institute, has witnessed a major change affecting gynecologic and nongynecologic cytology. There has been a decline in the number of Papanicolaou tests which has affected the utilization of cytotechnologists and provoked a reorganization of their work flow...
March 22, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28319328/bridging-the-gap-training-and-education-in-the-pathology-and-cytopathology-sphere
#2
Diane Davis Davey
No abstract text is available yet for this article.
March 20, 2017: Cancer
https://www.readbyqxmd.com/read/28315508/tumor-markers-in-pancreatic-cystic-fluids-for-diagnosis-of-malignant-cysts
#3
Alexandre Levy, Theodora Popovici, Phuong-Nhi Bories
BACKGROUND AND AIM: Early diagnosis of premalignant or malignant pancreatic cysts is essential to improve prognosis. Sampling of pancreatic cyst fluid by fine-needle aspiration during endoscopic ultrasonography (EUS) enables cytopathological examination combined with biochemical analysis. This study aimed to provide an aid based on biological markers for the preoperative management of patients with pancreatic cysts. METHODS: Pancreatic fluids obtained by EUS-guided fine-needle aspiration from 115 patients with cystic lesions were assayed for amylase, lipase, carcinoembryonic antigen (CEA), CA 19-9 and CA 72-4...
March 3, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28301226/false-negative-interpretation-of-adenocarcinoma-in-situ-in-the-college-of-american-pathologists-gynecologic-pap-education-program
#4
Chengquan Zhao, Barbara A Crothers, Z Laura Tabatabai, Zaibo Li, Mohiedean Ghofrani, Rhona J Souers, Mujtaba Husain, Fang Fan, Rulong Shen, Idris Tolgay Ocal, Christine N Booth, Kelly Goodrich, Donna Russell, Diane D Davey, College Of American Pathologists Cytopathology Committee
CONTEXT: - Adenocarcinoma in situ (AIS) is difficult to correctly interpret on Papanicolaou (Pap) cytology slides and false-negative interpretations of AIS can cause significant problems in daily practice. OBJECTIVE: - To investigate the false-negative interpretation rate of AIS and the factors related to false-negative interpretation through responses in an educational environment. DESIGN: - We retrospectively evaluated 11 337 responses in the PAP Education Program (PAP-Edu) from 173 AIS slides from 2011 to 2015...
March 16, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28300069/extracellular-%C3%AE-synuclein-induces-sphingosine-1-phosphate-receptor-subtype-1-uncoupled-from-inhibitory-g-protein-leaving-%C3%AE-arrestin-signal-intact
#5
Lifang Zhang, Taro Okada, Shaymaa Mohamed Mohamed Badawy, Chihoko Hirai, Taketoshi Kajimoto, Shun-Ichi Nakamura
Parkinson's disease (PD) is the second most common neurodegenerative disorder. The presence of α-synuclein (α-Syn)-positive intracytoplasmic inclusions, known as Lewy bodies, is the cytopathological hallmark of PD. Increasing bodies of evidence suggest that cell-to-cell transmission of α-Syn plays a role in the progression of PD. Although extracellular α-Syn is known to cause abnormal cell motility, the precise mechanism remains elusive. Here we show that impairment of platelet-derived growth factor-induced cell motility caused by extracellular α-Syn is mainly attributed to selective inhibition of sphingosine 1-phosphate (S1P) signalling...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28281441/miliary-tuberculosis
#6
Surendra K Sharma, Alladi Mohan
Miliary tuberculosis (TB) results from a massive lymphohematogenous dissemination of Mycobacterium tuberculosis bacilli and is characterized by tiny tubercles evident on gross pathology resembling millet seeds in size and appearance. The global HIV/AIDS pandemic and widespread use of immunosuppressive drugs and biologicals have altered the epidemiology of miliary TB. Considered to be predominantly a disease of infants and children in the pre-antibiotic era, miliary TB is increasingly being encountered in adults as well...
March 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28280507/fine-needle-aspiration-of-thyroid-nodules-using-the-bethesda-system-for-reporting-thyroid-cytopathology-an-institutional-experience-in-a-rural-setting
#7
Aili Guo, Yuuki Kaminoh, Terra Forward, Frank L Schwartz, Scott Jenkinson
Background. Fine needle aspiration (FNA) remains the first-line diagnostic in management of thyroid nodules and reduces unnecessary surgeries. However, it is still challenging since cytological results are not always straightforward. This study aimed to examine the results of thyroid FNA using the Bethesda system for reporting thyroid cytopathology (TBSRTC) to establish the level of accuracy of FNA procedures in a rural practice setting. Method. A retrospective chart review was conducted on existing thyroid FNA performed in a referral endocrine center between December 2011 and November 2015...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28261993/carcinoma-ex-pleomorphic-adenoma-a-diagnostic-challenge-on-cytology
#8
Kanika Singh, Charu Agarwal, Mukta Pujani, Pragya Verma, Varsha Chauhan
Carcinoma ex pleomorphic adenoma (Ca ex PA) is a malignant neoplasm arising from primary or recurrent benign pleomorphic adenoma. It is rare with an annual incidence rate of 0.17 tumors per million. Histopathology remains the gold standard for the diagnosis of Ca ex PA, with only a handful of cases reported on cytology. In our case a 66-year-old male presented with the right parotid mass for 5 years rapidly increasing for the last 3 months. Fine needle aspiration cytology (FNAC) smears showed malignant tumor cells in clusters along with benign myoepithelial cells in chondromyxoid background...
March 6, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28259878/diagnostic-accuracy-of-fine-needle-aspiration-in-thyroid-nodules-arising-in-patients-with-graves-disease
#9
Jen-Fan Hang, Mohammed T Lilo, Justin A Bishop, Syed Z Ali
OBJECTIVE: Cytopathologic interpretation in Graves disease (GD) is considered challenging due to significant cellular atypia. STUDY DESIGN: We retrospectively identified 55 fine needle aspirations (FNAs) from 43 patients with GD that subsequently underwent thyroidectomy from 1995 to 2016. RESULTS: There were 5 patients with papillary thyroid carcinoma (PTC) and 4 with follicular adenoma (FA). Of the 5 patients with PTC, FNA was interpreted as PTC in 3, atypia of undetermined significance (AUS) in 1, and adenomatoid nodule (AN) in 1 (with a 0...
March 4, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28248731/aberrant-cytokeratin-20-reactivity-in-epithelioid-malignant-mesothelioma-a-case-report
#10
Rashmi Manur, Ihab Lamzabi
Malignant mesothelioma is an uncommon neoplasm that should be distinguished from the more common pulmonary adenocarcinomas and other metastatic lesions. Although diagnosis is based on morphologic features, immunohistochemical stains such as Calretinin, WT-1, CK-5/6, D2-40, Ber-Ep4, and MOC-31 are routinely used. Other organ-specific immunohistochemical markers are used when metastases from unknown primary lesion is suspected clinically. Here, we report a case of pleural epithelioid malignant mesothelioma expressing CK20...
February 28, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28248012/-cytological-evaluation-of-urothelial-damage-in-extracorporeal-shock-wave-lithotripsy
#11
A M Grabsky, E V Manukyan, A A Muradyan
INTRODUCTION: The study proposed a technique for early detection of the damaging effect of shock waves on the urinary tract tissues, for monitoring the state of urothelial cells in the early post-procedure period and choosing an adequate method for preventing and managing possible complications. MATERIALS AND METHODS: The study analyzed the urine samples of 300 patients aged 20 to 50 years, who for the first time underwent ESWL for kidney stones. The urine sediment smears were fixed in the May-Grunwald stain and stained with azure eosin solution according to Pappenheim...
November 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28241108/external-quality-assurance-in-nongynecologic-cytology-the-australasian-experience
#12
Paul W Shield, Felicity Frost, Jo L Finnimore, R Gordon Wright, Margaret C Cummings
BACKGROUND: The Royal College of Pathologists of Australasia Cytopathology Quality Assurance Program has operated an external quality assurance program in nongynecologic cytopathology since 1993. Glass slide preparations of a wide range of nongynecologic cases were circulated to approximately 200 cytopathology laboratories in 16 countries. METHODS: General nongynecologic cytology cases were manufactured from residual specimens after routine diagnosis. Fine-needle aspiration (FNA) cases were made by sampling fresh tissue and making direct specimens...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28225151/cytopathologic-differential-diagnosis-of-low-grade-urothelial-carcinoma-and-reactive-urothelial-proliferation-in-bladder-washings-a-logistic-regression-analysis
#13
Ebru Cakir, Ulku Kucuk, Emel Ebru Pala, Ozlem Sezer, Rahmi Gokhan Ekin, Ozgur Cakmak
Conventional cytomorphologic assessment is the first step to establish an accurate diagnosis in urinary cytology. In cytologic preparations, the separation of low-grade urothelial carcinoma (LGUC) from reactive urothelial proliferation (RUP) can be exceedingly difficult. The bladder washing cytologies of 32 LGUC and 29 RUP were reviewed. The cytologic slides were examined for the presence or absence of the 28 cytologic features. The cytologic criteria showing statistical significance in LGUC were increased numbers of monotonous single (non-umbrella) cells, three-dimensional cellular papillary clusters without fibrovascular cores, irregular bordered clusters, atypical single cells, irregular nuclear overlap, cytoplasmic homogeneity, increased N/C ratio, pleomorphism, nuclear border irregularity, nuclear eccentricity, elongated nuclei, and hyperchromasia (p ˂ 0...
February 22, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28217980/reproducibility-of-atypia-of-undetermined-significance-follicular-lesion-of-undetermined-significance-category-using-the-bethesda-system-for-reporting-thyroid-cytology-when-reviewing-slides-from-different-institutions-a-study-of-interobserver-variability-among
#14
Vijayalakshmi Padmanabhan, Carrie B Marshall, Guliz Akdas Barkan, Mohiedean Ghofrani, Alice Laser, Idris Tolgay Ocal, Charles David Sturgis, Rhona Souers, Daniel F I Kurtycz
BACKGROUND: The Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) offers a six-tiered diagnostic scheme for thyroid Fine Needle Aspiration (FNA): Benign, Atypia of Undetermined Significance/Follicular Lesion of Undetermined Significance (AUS/FLUS), suspicious for follicular neoplasm, suspicious for malignancy, malignant, and unsatisfactory with an aim to standardize diagnostic criteria. Reported rate of AUS/FLUS category in the literature has varied from 3% to 20.5%. METHODS: The aim of this study was to assess interobserver variability among cytopathologists to assess reproducibility of the AUS/FLUS category...
February 20, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28207201/diagnostic-yield-of-cytopathology-in-evaluating-pericardial-effusions-clinicopathologic-analysis-of-419-specimens
#15
Jad Saab, Rana S Hoda, Navneet Narula, Syed A Hoda, Brian E Geraghty, Abu Nasar, Susan A Alperstein, Jeffrey L Port, Tamar Giorgadze
BACKGROUND: Pericardial effusions can cause considerable morbidity and potentially may lead to mortality. Malignant pericardial effusions are uncommon, and data on malignancies encountered in pericardial effusion cytology specimens are limited. METHODS: Relevant records of all pericardial effusions from January 2008 to September 2014 were examined and compared with pericardial biopsy results when performed. Discrepant cases were reviewed to determine the cause of the disagreement...
February 2017: Cancer
https://www.readbyqxmd.com/read/28206852/british-journal-of-biomedical-science-in-2016-what-have-we-learned
#16
Andrew Blann
In 2016, the British Journal of Biomedical Science published 36 reports outlining specific advances in each of the various disciplines within biomedical science. These were one review, 25 original articles, 9 'In Brief' reports and one letter to the Editor. Of these, the majority were in blood science (5 in biochemistry, 7 in haematology and 2 in immunology) and infection science (8 in microbiology, 2 in virology) with a smaller number in cellular sciences (6 in cellular pathology and 2 in cytopathology). Three reports considered both biochemistry and immunology, while another reported an advance in the identification of chromosomal abnormalities...
January 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28205345/differential-diagnosis-of-well-differentiated-squamous-cell-carcinoma-from-non-neoplastic-oral-mucosal-lesions-new-cytopathologic-evaluation-method-dependent-on-keratinization-related-parameters-but-not-nuclear-atypism
#17
Hitoshi Hara, Tsuneo Misawa, Eri Ishii, Miki Nakagawa, Saki Koshiishi, Kenji Amemiya, Toshio Oyama, Kazuya Tominaga, Jun Cheng, Akio Tanaka, Takashi Saku
BACKGROUND: The cytology of oral squamous cell carcinoma (SCC) is challenging because oral SCC cells tend to be well differentiated and lack nuclear atypia, often resulting in a false negative diagnosis. The purpose of this study was to establish practical cytological parameters specific to oral SCCs. METHODS: We reviewed 123 cases of malignancy and 53 of non-neoplastic lesions of the oral mucosa, which had been diagnosed using both cytology and histopathology specimens...
February 16, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28198123/inside-this-month-s-cytopathology
#18
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28198122/cytopathology-moves-on-with-a-growing-team
#19
EDITORIAL
M Sheaff
No abstract text is available yet for this article.
February 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28198053/morphology-quiz-cytopathology-of-a-thyroid-neoplasm
#20
M Nicola, M Onorati, S Bellone, P Collini, F Di Nuovo
No abstract text is available yet for this article.
February 14, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
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