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https://www.readbyqxmd.com/read/28087402/accuracy-is-in-the-eyes-of-the-pathologist-the-visual-interpretive-process-and-diagnostic-accuracy-with-digital-whole-slide-images
#1
Tad T Brunyé, Ezgi Mercan, Donald L Weaver, Joann G Elmore
Digital whole slide imaging is an increasingly common medium in pathology, with application to education, telemedicine, and rendering second opinions. It has also made it possible to use eye tracking devices to explore the dynamic visual inspection and interpretation of histopathological features of tissue while pathologists review cases. Using whole slide images, the present study examined how a pathologist's diagnosis is influenced by fixed case-level factors, their prior clinical experience, and their patterns of visual inspection...
January 10, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28081315/the-association-of-papillary-thyroid-cancer-with-microcalcification-in-thyroidnodules-with-indeterminate-cytology-based-on-fine-needle-aspiration-biopsy
#2
İbrahim Ali Özemir, Barış Bayraktar, Ender Anılır, Kıvılcım Orhun, Tunç Eren, Jülide Sağıroğlu, Ayşe Bahar Ceyran, Rafet Yiğitbaşı, Orhan Alimoğlu
BACKGROUND/AIM: Microcalcifications are generally accepted as highly specific for thyroid malignancy, especially for papillary thyroid carcinoma (PTC). The aim of this study was to determine the significance of microcalcification within nodules that were classified as being of “indeterminate cytology” (IC) according to fine-needle aspiration biopsy. MATERIALS AND METHODS: Patients who underwent thyroidectomy between January 2010 and 2013 were included in the study...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28079289/apocrine-metaplasia-found-at-mr-biopsy-is-there-something-to-be-learned
#3
Yiming Gao, Vandana Dialani, Carolynn DeBenedectis, Nicole Johnson, Elena Brachtel, Priscilla Slanetz
The purpose of this study was to determine (a) the frequency of apocrine metaplasia (ApoM) found on MR core biopsy of suspicious findings, and (b) to determine if there are specific MR imaging features that might obviate the need for biopsy. This HIPAA-compliant retrospective study was performed under IRB exemption for quality assurance studies. Patient demographics, MR imaging features, and pathology were reviewed. Breast lesions which underwent MR-guided biopsy, yielding ApoM on pathology analysis were included...
January 12, 2017: Breast Journal
https://www.readbyqxmd.com/read/28078879/zenker-diverticulum-in-the-right-side-of-the-neck-resembling-a-thyroid-mass-at-ultrasound
#4
S Alessandrini, I Samperi, F De Cristofaro, E D'Armiento, D Diacinti, A Pernazza, D Bosco, V Ascoli, S Ulisse
Zenker’s diverticulum represents the most common form of pharyngo-oesophageal diverticula usually occurring on the left side of the neck. Due to its anatomical proximity to the thyroid, it can mimic a thyroid mass. Here we describe the case of an asymptomatic 49-year-old man referred to the Thyroid Clinic of the Policlinico Umberto I Hospital-“Sapienza” University of Rome for thyroid sonography due to a family history of autoimmune thyroid disease. The patient’s thyroid blood tests did not reveal any abnormalities...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28076502/carcinogenesis-in-rats-subjected-to-a-new-model-ureterosigmoidostomy-and-treated-with-l-lysine
#5
Alessandra Marques Dos Santos, Joao Paulo Ferreira Coelho, Camila de Carvalho Juanes, Rafael Barbosa de Azevedo, Nayanna de Oliveira Ramos Melo, Francisco Vagnaldo Fechine Jamacaru, Conceição Aparecida Dornelas
PURPOSE: To evaluate the effects of L-lysine on the intestinal and urothelial epithelium of rats subjected to ureterosigmoidostomy (new model for surgical carcinogenesis). METHODS: Forty-two rats, 9 weeks of age, were divided into 6 groups. Animals in groups A, B, C were subjected to ureterosigmoidostomy (US) and treated with L-lysine, celecoxib and H2O, respectively. Groups D, E and F (non-operated controls) received L-lysine, celecoxib and H2O, respectively. The L-lysine dose was 150 mg/kg and that of celecoxib was 20 mg/kg...
December 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28072970/-histologic-classification-and-prognosis-factors-in-phyllodes-tumors-of-breast
#6
C Jia, F Mei, J Y Liu, H M Zhao, Y T Lei, J Su, S S Huang, J Zheng, J F You
Objective: To study the relationship between morphological characteristics, grading, diagnosis and prognosis in phyllodes tumors (PT) of the breast. Methods: A retrospective study was carried out on 83 PTs diagnosed between 1999 and 2003 that were classified semi-quantitatively according to the WHO recommendation. Follow-up data was available for some cases, and Cox regression analysis was used to evaluate factors affecting metastasis and recurrence. Results: All cases were classified into the benign (57.8%), borderline (28...
January 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28071986/evaluation-of-a-two-year-routine-application-of-molecular-testing-of-thyroid-fine-needle-aspirations-fna-using-a-7-gene-panel-in-a-primary-referral-setting-in-germany
#7
Markus Eszlinger, Katharina Böhme, Maha Ullmann, Fabian Görke, Udo Siebolts, Anna Neumann, Christiane Franzius, Sabine Adam, Thomas Molwitz, Christian Landvogt, Bassam Amro, Anja Hach, Berit Feldmann, Dieter Graf, Antje Wefer, Rainer Niemann, Catharina Bullmann, Günther Klaushenke, Reinhard Santen, Gregor Tönshoff, Velimir Ivancevic, Andreas Kögler, Eberhard Bell, Bernd Lorenz, Gerald Kluge, Christoph Hartenstein, Ilka Ruschenburg, Ralf Paschke
BACKGROUND: Major differences with respect to the diagnostic performance of a "ruling in" approach in the pre-surgical diagnosis of indeterminate thyroid fine needle aspirations (FNAs) have been reported. Therefore, the aim of this prospective multicenter study was to investigate the specific diagnostic impact of mutation testing using a 7-gene-panel in a routine primary referral setting analyzing FNAs from endocrinology and nuclear medicine practices in Germany. METHODS: RNA and DNA was extracted from 564 routine air-dried FNA smears obtained from 64 physicians and cytologically graded by one experienced cytopathologist...
January 10, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28062979/contemporary-indications-for-diagnostic-open-biopsy-in-women-assessed-for-screen-detected-breast-lesions-a-ten-year-single-institution-series-of-814-consecutive-cases
#8
Gelareh Farshid, P Grantley Gill
PURPOSE: In contemporary practice, 5% of women with non-malignant needle biopsies of screen-detected lesions still require diagnostic open biopsy (OBx). Our aims are to (i) capture a snapshot of the contemporary indications for OBx in screen-detected lesions; (ii) determine upgrade rates to malignancy (DCIS or invasive cancer); (iii) identify indications with sufficiently low upgrades to justify avoidance of OBx and (iv) propose plausible non-surgical alternatives. METHODS: Between Jan 2005 and Dec 2014, women assessed for a screen-detected lesion and recommended for OBx are included...
January 6, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28060369/virus-associated-neoplasms-of-the-nasopharynx-and-sinonasal-tract-diagnostic-problems
#9
John Kc Chan
A significant fraction of nasopharyngeal and sinonasal tumors are associated with Epstein-Barr virus (EBV) or human papillomavirus (HPV). Nasopharyngeal carcinoma (NPC) and extranodal NK/T-cell lymphoma harbor EBV in practically all cases, although a small proportion of cases of the former harbor HPV. Sinonasal inverted papillomas harbor HPV in about 25% of cases. Sinonasal squamous cell carcinomas harbor transcriptionally active HPV in about 20% of cases, and limited data suggest that this subset has a better prognosis than the HPV-negative subset...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28058023/laparoscopic-and-endoscopic-co-operative-surgery-for-non-ampullary-duodenal-tumors
#10
Daisuke Ichikawa, Shuhei Komatsu, Osamu Dohi, Yuji Naito, Toshiyuki Kosuga, Kazuhiro Kamada, Kazuma Okamoto, Yoshito Itoh, Eigo Otsuji
AIM: To assess the safety and feasibility of laparoscopic and endoscopic co-operative surgery (LECS) for early non-ampullary duodenal tumors. METHODS: Twelve patients with a non-ampullary duodenal tumor underwent LECS at our hospital. One patient had two mucosal lesions in the duodenum. The indication for this procedure was the presence of duodenal tumors with a low risk for lymph node metastasis. In particular, the tumors included small (less than 10 mm) submucosal tumors (SMT) and epithelial mucosal tumors, such as mucosal cancers or large mucosal adenomas with malignant suspicion...
December 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28053629/predictive-factors-for-upgrading-patients-with-benign-breast-papillary-lesions-using-a-core-needle-biopsy
#11
Young Ran Hong, Byung Joo Song, Sang Seol Jung, Bong Joo Kang, Sung Hun Kim, Byung Joo Chae
PURPOSE: Intraductal papilloma (IDP) is a benign breast disease with malignant potential, for which complete surgical excision is usually recommended. The aim of the present study was to investigate predictive factors for upgrading patients with a benign papillary lesion (BPL). METHODS: This study was an observational study using a prospectively collected cohort. In total, 13,049 patients who underwent a core needle biopsy (CNB) for a breast lesion between January 2009 and May 2015 were enrolled...
December 2016: Journal of Breast Cancer
https://www.readbyqxmd.com/read/28042407/nodular-fasciitis-of-the-neck-causing-emergency-a-case-report
#12
Serkan Yaşar Çelik, Yelda Dere, Özgür İlhan Çelik, Serhan Derin, Murat Şahan, Özcan Dere
Nodular fasciitis is a benign, reactive, tumor-like lesion composed of fibroblasts and myofibroblasts. It typically occurs in the extremities and the trunk. Head and neck localization is 13-20%. As it grows rapidly, clinicians frequently misdiagnose it as an aggressive or a malignant lesion. Some lesions show moderate cellularity, mild cellular atypia, and mitosis histologically causing pathologists to over-diagnose the lesion as a malignant tumor. It is important to diagnose nodular fasciitis correctly to avoid unnecessary additional surgery and treatment...
January 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28040694/risk-factors-that-increase-risk-of-estrogen-receptor-positive-and-negative-breast-cancer
#13
Karla Kerlikowske, Charlotte C Gard, Jeffrey A Tice, Elad Ziv, Steven R Cummings, Diana L Miglioretti
BACKGROUND: Risk factors may differentially influence development of estrogen receptor (ER)-positive vs -negative breast cancer. We examined associations with strong, prevalent risk factors by ER subtype. METHODS: Of 1 279 443 women age 35 to 74 years participating in the Breast Cancer Surveillance Consortium, 14 969 developed ER-positive and 3617 developed ER-negative invasive breast cancer. We calculated hazard ratios (HRs) using Cox regression and compared ER subtype hazard ratios at representative ages or by menopausal status using Wald tests...
May 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28035250/from-traditional-serrated-adenoma-to-tubulovillous-adenoma-and-beyond
#14
REVIEW
Sangeetha N Kalimuthu, Adeline Chelliah, Runjan Chetty
It is well established that colorectal cancer develops from a series of precursor epithelial polyps, including tubular adenomas, villous/tubulovillous adenomas (VA/TVA), sessile serrated adenomas (SSA) and traditional serrated adenomas (TSA). Of these, TSAs are least common and account for only 5% of all serrated polyps. TSAs are characterised by the presence of a "pinecone-like" architecture, granular eosinophilic cytoplasm, luminal serrations, ectopic crypt foci (ECF) and elongated, pencillate nuclei. However, the distinct slit-like luminal serrations, reminiscent of small bowel mucosa, appear to be the most unique and reproducible feature to distinguish TSAs from other polyps...
December 15, 2016: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28028338/cytological-diagnosis-of-pediatric-thyroid-nodule-in-perspective-of-the-bethesda-system-for-reporting-thyroid-cytopathology
#15
Chayanika Pantola, Sanjay Kala, Lubna Khan, Saurabh Pantola, Mahendra Singh, Sumanlata Verma
BACKGROUND: Thyroid nodule is one of the most common endocrinopathies occurring children and adolescents. Though thyroid nodule is rare in the pediatric age group, the rate of malignancy is much higher in this age group compared to adult population. AIM: The objective is to study the application of The Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) in pediatric patients and compare the findings with histology. MATERIALS AND METHODS: A total of 218 cases younger than 18 years were studied in a 4-year period from August 2010 to July 2014...
October 2016: Journal of Cytology
https://www.readbyqxmd.com/read/28027827/recurrence-of-moderately-dysplastic-nevi-with-positive-histologic-margins
#16
Bryan Hiscox, Melissa R Hardin, Ida F Orengo, Theodore Rosen, Mohsin Mir, A Hafeez Diwan
BACKGROUND: The Pigmented Lesion Subcommittee of the Melanoma Prevention Working Group recently published a consensus statement that incompletely excised moderately dysplastic nevi (MDN) without clinical residual pigmentation can be observed and not re-excised. However, data regarding recurrence of MDN with positive histologic margins are quite scant. OBJECTIVE: We sought to extend the reported findings with a study to determine the recurrence rate of MDN with positive histologic margins...
December 24, 2016: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28027079/differentiating-intralymphatic-histiocytosis-intravascular-histiocytosis-and-subtypes-of-reactive-angioendotheliomatosis-review-of-clinical-and-histologic-features-of-all-cases-reported-to-date
#17
Sean E Mazloom, Alicia Stallings, Angela Kyei
Reactive angioendotheliomatosis (REA) is a rare benign angioproliferative condition of the skin, which has been noted to occur in patients with a variety of underlying systemic diseases. Histopathologically, this condition is characterized by vascular proliferation, and endothelial cell hyperplasia within the lumina and around dermal vessels, without significant cellular atypia. Since the first case of RAE was reported in 1958, multiple histologic patterns of benign cutaneous vascular proliferations with similar clinical presentations to RAE have been described in the literature and have been proposed as subtypes of the originally described condition...
January 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28024110/the-importance-of-ezh2-and-moc-31-expression-in-the-differential-diagnosis-of-benign-and-malignant-effusions
#18
Canan Sadullahoglu, Deniz Nart, Ali Veral
BACKGROUND: All malignant tumors may spread throughout the pleural, peritoneal, and pericardial cavities. The presence of tumor cells in serosal fluid is a poor prognostic indicator. It may be difficult to differentiate nuclear atypia of mesothelial cells due to injury of serosal surfaces from mesothelioma or malignant epithelial tumor cells. Epithelial and mesothelial immunohistochemical markers can be used in such conditions. The aim of this study was to evaluate the expression of two immunohistochemical markers (MOC-31 and EZH2) in serosal effusions...
December 26, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28009609/atypical-intraductal-cribriform-proliferations-of-the-prostate-exhibit-similar-molecular-and-clinicopathologic-characteristics-as-intraductal-carcinoma-of-the-prostate
#19
Richard A Hickman, Hui Yu, Jianhong Li, Max Kong, Rajal B Shah, Ming Zhou, Jonathan Melamed, Fang-Ming Deng
Atypical intraductal cribriform proliferations of the prostate (AIP) are loose cribriform proliferations of luminal cells that exhibit greater architectural complexity and/or nuclear atypia than high-grade prostatic intraepithelial neoplasia (HGPIN), but lack the diagnostic criteria for intraductal carcinoma (IDC). The significance of AIP has not been formally established. We compared the clinical, morphologic, and immunohistochemical characteristics of AIP with classic IDC in 310 radical prostatectomy specimens that were received over an 18-month period...
December 22, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28009314/hurtle-cells-immunohistochemical-activities-in-hashimoto-thyroiditis-parenchyma
#20
Z Tsagareli, T Kvachadze, E Melikadze, L Metreveli, E Nikobadze, L Gogiashvili
The present study was designed to evaluate the participation and utility of Hǘrtle cells morphological requirment and transformation under Hashimoto autoimmune thyroiditis versus Riedel´s struma. Several markers have been evaluated to detect induced activities of Hǘrtle cells. Study subject - specimens (tissue fragments) collected from TG surgery (thyroidectomy) for mollecular (receptor) diagnosis of Hǘrtle cells activities using routine histological and immunohistochemical samples. 89 cases were selected in Hashimoto thyroiditis diagnosis with Hǘrtle cells history (adenoma and adenomatous grouth of oncocytes)...
November 2016: Georgian Medical News
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