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Cytopathology

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https://www.readbyqxmd.com/read/28813105/a-scientific-survey-on-1550-cases-of-oral-lesions-diagnosed-in-a-brazilian-referral-center
#1
Artur C Vasconcelos, Carlos Aburad, Igor F P Lima, Sheila M M Santos, Silas Antonio J DE Freitas, Ademir Franco, Sigmar M Rode, Luiz R Paranhos
The present study aimed to perform an epidemiological survey on the prevalence rate of oral lesions diagnosed in a referral center in Brazil and to establish association between the lesions and the age and gender of the affected patients. This analytical observational study analyzed 3521 medical records of anatomopathological exams of the Pathological Anatomy and Cytopathology Laboratory of the Cancer Hospital of the state of Mato Grosso (Brazil), from December 2011 to September 2015. A total of 1550 relevant medical records was detected...
August 14, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28811803/a-study-of-galactin-3-on-fine-needle-aspiration-as-a-diagnostic-marker-differentiating-benign-from-malignant-thyroid-neoplasm
#2
Alliya Muzafar, Mulazim Hussain Bukhari, Ihtesham Uddin Qureshi
BACKGROUND & OBJECTIVE: Thyroid nodules are very common in our setup and their diagnosis on fine needle aspiration is not easy and is a taxing affair. It is a challenge to differentiate between follicular adenoma and follicular carcinoma without histology. Our objective was to investigate the role of Galectin-3 in fine needle aspirates of thyroid nodules as a prospective diagnostic marker and consequently its ability to differentiate benign from malignant neoplasms. METHODS: The research was conducted at the department of Pathology, King Edward Medical University, in association with other teaching institutions of Lahore from June 2012 to July 2014...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28801876/tumor-dna-an-emerging-biomarker-in-head-and-neck-cancer
#3
Joseph A Bellairs, Rifat Hasina, Nishant Agrawal
Head and neck cancer (HNC) includes a diverse range of malignancies arising commonly from mucosal epithelia of the upper aerodigestive tract. Head and neck squamous cell carcinoma (HNSCC), the most common form of HNC, develops in the oral cavity, pharynx, and larynx and is associated with tobacco exposure, alcohol abuse, and infection with oncogenic viruses. Despite global advances in cancer care, HNSCC often presents with advanced disease and is associated with poor 5-year survival of ~50%. Genotyping tumor tissue to guide clinical decision-making is becoming commonplace in modern oncology, but in the management of HNSCC, tissue biopsies with cytopathology or histopathology remain the mainstay for diagnosis...
August 12, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28797549/predicting-thyroid-nodule-malignancy-at-several-prevalence-values-with-a-combined-bethesda-molecular-test
#4
Hélène Lasolle, Benjamin Riche, Myriam Decaussin-Petrucci, Emmanuelle Dantony, Véronique Lapras, Catherine Cornu, Joël Lachuer, Jean-Louis Peix, Jean-Christophe Lifante, Oana-Maria Capraru, Samia Selmi-Ruby, Bernard Rousset, Françoise Borson-Chazot, Pascal Roy
OBJECTIVE: Investigation of thyroid nodules using fine-needle aspiration cytology (FNAC) gives indeterminate results in up to 30% of samples using the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC). We present a combined Bethesda-molecular predictor of nodule malignancy to improve the accuracy of the preoperative diagnosis of thyroid nodules. DESIGN: The study sought to detect a molecular signature of thyroid nodule malignancy. METHODS: A molecular test was performed on FNACs from 128 thyroid nodules from prospectively included patients, collected in a tertiary center...
July 22, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28791453/-the-paris-system-for-classification-of-urinary-cytology
#5
S Savic, T Vlajnic, L Bubendorf
A uniform classification system for reporting urinary cytology has not been available until recently, although urinary cytology represents an important volume of specimens in cytopathology laboratories and is well-established in the diagnosis and follow-up of patients with urothelial carcinoma. The Paris system is the first internationally accepted classification system, which allows uniform reporting of urinary cytology based on standardized morphological criteria. It emphasizes the detection of potentially life-threatening high-grade urothelial carcinomas and well-defined diagnostic categories have been developed...
August 8, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28790413/liquid-based-cytopathology-test-as-a-novel-method-to-identify-aspergillus-in-patients-with-pulmonary-aspergillosis
#6
Yongchun Shen, Xiaorong Zhang, Wenyi Lin, Chun Wan, Qiyuan Li, Yong Jiang
Conventional cytopathology examination of respiratory samples can aid in identifying Aspergillus but with poor sensitivity, so this study aimed to assess the potential of the liquid-based cytopathology test (LCT) for improving the identification of Aspergillus in respiratory samples following Papanicolaou's or Special staining with Grocott's methenamine silver or periodic acid-Schiff staining. Paired bronchial brushing samples (n = 54) and sputum samples (n = 117) from 171 patients with pulmonary aspergillosis were prepared as slides using either conventional cytopathology or SurePath LCT...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28776497/endoscopic-ultrasound-and-endoscopic-ultrasound-guided-fine-needle-aspiration-in-the-diagnosis-of-diffuse-gastrointestinal-lesions-with-inconclusive-endoscopic-biopsies
#7
Hussein Hassan Okasha, Shaimaa Elkholy, Mohamed Sayed, Reem Ezzat Mahdy, Yehia ElSherif, Emad El Gemeie, Amr Abo El Magd
BACKGROUND/AIMS: Many gastrointestinal tumors appearing as diffuse circumferential malignancies, for example, diffuse signet ring adenocarcinoma and lymphoma, might primarily involve the submucosal layer and hence are difficult to diagnose because they frequently yield negative endoscopic biopsies. This main aim of this study was to evaluate the accuracy of endoscopic ultrasound (EUS) and EUS-guided fine-needle aspiration (EUS-FNA) in the diagnosis of diffuse gastrointestinal lesions with inconclusive endoscopic biopsies...
August 4, 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/28772003/case-of-chondroid-syringoma-mimicking-as-nodular-hidradenoma-a-diagnostic-pitfall-on-cytopathology
#8
Bahadur Shalini, Katyal Akshi, Nargotra Namrata, Soni Shilpi, Nain Manupriya
Limited literature is available on the use of fine needle aspiration (FNA) for skin tumors. Awareness of cytological features of these lesions is important to prevent misdiagnosis. A 45-year-old male, presented with slowly growing swelling over the thigh since 4 years. FNA from multiple sites yielded highly cellular smears with a dual cell population consisting of cells with small round nucleus scanty cytoplasm and polygonal cells with moderate to abundant cytoplasm. Extracellular basement membrane like material was also noted...
August 3, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28771986/clinicopathological-significance-of-atypical-glandular-cells-on-cervicovaginal-pap-smears
#9
Mi-Kyung Kim, Yoo Kyung Lee, Sung Ran Hong, Kyung Taek Lim
OBJECTIVE: To evaluate the histologic correlation and clinical significance of atypical glandular cells (AGC) detected on Pap tests. METHODS: Pap tests interpreted as AGC were retrieved from an institutional cytopathology database. The AGC subcategories according to the Bethesda system 2001 include atypical glandular cells, not otherwise specified (AGC-NOS), atypical endometrial cells (AEM), and atypical endocervical cells (AEC). Clinicopathologic variables were collected from medical records retrospectively, and histologic follow-up diagnoses were correlated with AGC subcategories...
August 3, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28759963/nondiagnostic-cytological-results-on-ultrasound-guided-fine-needle-aspiration-does-the-thyroid-nodule-depth-matter
#10
Jia-Jing Xia, Meng-Sen Li, Li Zhen, You-Zhen Shi
OBJECTIVE: To evaluate whether thyroid nodule depth and other ultrasound features can predict nondiagnostic cytological results on ultrasound-guided fine needle aspiration. MATERIAL AND METHODS: This retrospective study included 412 thyroid nodules that underwent ultrasound-guided fine needle aspiration from 2014 to 2015. The nodules were classified as nondiagnostic and diagnostic by the cytopathological results. Clinical information of the patients (ie., age, sex) and ultrasound features (ie...
July 25, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28759154/the-evolving-role-of-cytopathology-in-the-era-of-neoadjuvant-chemotherapy-for-the-accurate-pathologic-diagnosis-of-epithelial-ovarian-cancer
#11
https://www.readbyqxmd.com/read/28752691/inside-this-month-s-cytopathology
#12
(no author information available yet)
No abstract text is available yet for this article.
August 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28748761/tyrosinase-electrochemical-biosensors-monitoring-medicinally-significant-substances
#13
Milan Sýs, Karel Vytřas
Nowadays in biosensing, development of analytical techniques is focused on improvement for monitoring biologically active species in living organisms, especially in real time analysis. This article provides an overview of applications of electrochemical tyrosinase biosensors in analysis of medicinally significant substances, otherwise also known as biomarkers. At the beginning, special attention is paid to characterisation of the tyrosinase enzyme, explanation of reaction mechanisms of tyrosinase with various types of electrochemical transducers and techniques needed for stable immobilization of this biocatalyst on the transducer surface used...
July 27, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28745566/best-practices-in-immunohistochemistry-in-surgical-pathology-and-cytopathology
#14
Lanjing Zhang, Fan Lin
No abstract text is available yet for this article.
August 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28741442/a-systematic-review-of-the-methods-of-diagnostic-accuracy-studies-of-the-afirma%C3%A2-gene-expression-classifier
#15
Quan-Yang Duh, Naifa Busaidy, Catherine Rahilly-Tierney, Hossein Gharib, Gregory W Randolph
BACKGROUND: The Afirma® Gene Expression Classifier (GEC) risk-stratifies Bethesda System for the Reporting of Thyroid Cytopathology class III/IV (indeterminate) thyroid nodules (ITNs) as Suspicious for malignancy or Benign. Several authors have published studies describing the diagnostic accuracy of the GEC. However, the quality of these methods has not been rigorously examined. SUMMARY: We searched Medline and EMBASE for studies published between January 1, 2010 and June 30, 2016 examining the sensitivity, specificity, negative predictive value (NPV), and positive predictive value (PPV) of the GEC...
July 25, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28737230/endometrial-cytopathology-an-image-analysis-approach-using-the-ki-67-biomarker
#16
G Apostolou, N Apostolou, P Moulos, P Chatzipantelis
OBJECTIVE: To investigate the different identity and biological behaviour of endometrial benign epithelial and endometrial adenocarcinoma cell categories. METHODS: For this study, the imprint smears from three groups, 10 cases of disordered proliferative/benign hyperplastic endometrium, 21 cases of low-grade and eight cases of high-grade endometrial adenocarcinoma, were examined using image analysis and the Ki-67 biomarker. The plastic stem cell model was also applied...
July 24, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
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
#17
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
#18
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
#19
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
#20
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
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