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https://www.readbyqxmd.com/read/28333845/changes-in-the-extracellular-matrix-are-associated-with-the-development-of-serous-tubal-intraepithelial-carcinoma-into-high-grade-serous-carcinoma
#1
Sophieke C H A van der Steen, Johan Bulten, Koen K Van de Vijver, Toin H van Kuppevelt, Leon F A G Massuger
OBJECTIVE: The identification of a marker for early progression of preinvasive lesions into invasive pelvic high-grade serous carcinoma (HGSC) may provide novel handles for innovative screening and prevention strategies. The interplay between cancer cells and the extracellular matrix (ECM) is one of the main principles in cancer development and growth, but has been largely neglected in preinvasive lesions. This is the first study addressing the involvement of the ECM in the "step-by-step" transition of normal fallopian tube epithelium into preinvasive lesions, and eventually the progression of preinvasive lesions into invasive HGSC...
March 23, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28331826/pulmonary-ground-glass-opacity-computed-tomography-features-histopathology-and-molecular-pathology
#2
REVIEW
Jian-Wei Gao, Stefania Rizzo, Li-Hong Ma, Xiang-Yu Qiu, Arne Warth, Nobuhiko Seki, Mizue Hasegawa, Jia-Wei Zou, Qian Li, Marco Femia, Tang-Feng Lv, Yong Song
The incidence of pulmonary ground-glass opacity (GGO) lesions is increasing as a result of the widespread use of multislice spiral computed tomography (CT) and the low-dose CT screening for lung cancer detection. Besides benign lesions, GGOs can be a specific type of lung adenocarcinomas or their preinvasive lesions. Evaluation of pulmonary GGO and investigation of the correlation between CT imaging features and lung adenocarcinoma subtypes or driver genes can be helpful in confirming the diagnosis and in guiding the clinical management...
February 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28325192/endoscopic-management-of-early-gastric-adenocarcinoma-and-preinvasive-gastric-lesions
#3
REVIEW
Saowanee Ngamruengphong, Seiichiro Abe, Ichiro Oda
Early gastric cancer (ECG) can be difficult to diagnose endoscopically. Endoscopists should be familiar with subtle changes and endoscopic features of EGC. Chromoendoscopy and image-enhanced endoscopy improve diagnostic accuracy and facilitate endoscopic resection. Endoscopic submucosal dissection is a preferred endoscopic technique for resection of EGC and offers a comparable overall survival to surgical resection. Endoscopic management of benign gastric epithelial polyps (fundic gland polyps, hyperplastic polyps, and gastric adenoma) depends on patient symptomatology, patient's comorbidities (eg, familial syndromes), lesions' characteristics, and risk of malignant transformation...
April 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28169235/prediction-of-heterogeneity-in-breast-cancer-immunophenotype-at-ductal-carcinoma-in-situ-stage
#4
Manish Rohilla, Amanjit Bal, Gurpreet Singh, Kusum Joshi
INTRODUCTION: Ductal carcinoma in situ (DCIS) is considered a heterogeneous lesion at the molecular level. However, there is a paucity of literature about the existence of molecular subtypes in DCIS which can predict their biological behavior at the preinvasive stage. MATERIALS AND METHODS: Precise prevalence of molecular subtypes of pure DCIS and DCIS component of infiltrating duct carcinoma (IDC) was evaluated using immunohistochemistry and correlated with known prognostic factors...
October 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28143875/epithelial-cell-migration-as-a-potential-therapeutic-target-in-early-lung-cancer
#5
REVIEW
Fraser R Millar, Sam M Janes, Adam Giangreco
Lung cancer is the most lethal cancer type worldwide, with the majority of patients presenting with advanced stage disease. Targeting early stage disease pathogenesis would allow dramatic improvements in lung cancer patient survival. Recently, cell migration has been shown to be an integral process in early lung cancer ontogeny, with preinvasive lung cancer cells shown to migrate across normal epithelium prior to developing into invasive disease. TP53 mutations are the most abundant mutations in human nonsmall cell lung cancers and have been shown to increase cell migration via regulation of Rho-GTPase protein activity...
January 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28139862/the-pd-1-pd-l1-axis-may-be-aberrantly-activated-in-occupational-cholangiocarcinoma
#6
Yasunori Sato, Masahiko Kinoshita, Shigekazu Takemura, Shogo Tanaka, Genya Hamano, Shoji Nakamori, Masahiro Fujikawa, Yasuhiko Sugawara, Takatsugu Yamamoto, Akira Arimoto, Minako Yamamura, Motoko Sasaki, Kenichi Harada, Yasuni Nakanuma, Shoji Kubo
An outbreak of cholangiocarcinoma in a printing company was reported in Japan, and these cases were regarded as an occupational disease (occupational cholangiocarcinoma). This study examined the expression status of programmed death-1 (PD-1) and programmed death-ligand 1 (PD-L1) in occupational cholangiocarcinoma. Immunostaining of PD-1, PD-L1, CD3, CD8, and CD163 was performed using tissue sections of occupational cholangiocarcinoma (n = 10), and the results were compared with those of control cases consisting of intrahepatic (n = 23) and extrahepatic (n = 45) cholangiocarcinoma...
March 2017: Pathology International
https://www.readbyqxmd.com/read/28121939/multiple-preinvasive-and-invasive-hpv-related-lesions-of-the-anogenital-tract-in-a-female-patient-with-hiv-infection-a-case-report
#7
Nicolò Clemente, Lara Alessandrini, Emanuela Vaccher, Antonino De Paoli, Monica Buttignol, Vincenzo Canzonieri, Francesco Sopracordevole
RATIONALE: Patients with human immunodeficiency virus (HIV) infection have been shown to be at increased risk for high-risk human papillomavirus (HR-HPV) infection of the anogenital tract. Furthermore, in the last decades, the introduction of highly active antiretroviral therapy (HAART) has increased the longevity of these patients who now live long enough to develop HPV-related cancers; hence, the impact of HPV infection on HIV-positive patients is of increasing concern. PATIENT CONCERNS: We reported the case of an HIV-positive female patient on HAART with a good virological and immunological response and with a long history of HPV-related intraepithelial and invasive lesions of the anogenital tract...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28119395/cone-depth-increases-risk-of-adverse-obstetric-outcomes-following-treatment-for-cervical-preinvasive-disease
#8
Alejandra Castanon
No abstract text is available yet for this article.
March 2017: Evidence-based Medicine
https://www.readbyqxmd.com/read/28091444/impact-of-visual-inspection-with-acetic-acid-plus-cryotherapy-see-and-treat-approach-on-the-reduction-of-the-population-burden-of-cervical-preinvasive-lesions-in-southeast-nigeria
#9
C O Chigbu, A K Onyebuchi, E F Nnakenyi, C C Egbuji
OBJECTIVE: The aim of this study is to determine the impact of visual inspection with acetic acid (VIA) plus immediate cryotherapy on the prevalence of VIA-detected cervical squamous intraepithelial lesion (SIL). METHODS: Women in four rural communities in Southeast Nigeria were screened with VIA. Women who tested positive to VIA were offered either immediate cryotherapy or large loop excision of the transformation zone based on predetermined eligibility criteria...
February 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28088318/correlation-of-the-hpv-detection-protein-expression-and-dna-content-in-cutaneous-pre-invasive-and-invasive-carcinoma-among-croatian-patients
#10
Kristina Meljanac Salopek, Stanko Jukić, Damir Babić
Development of cutaneous carcinomas has been associated with HPV infection. There have been various reports on p16, p53 and pRb expression in cutaneous carcinomas and on its linkage to HPV status. Association of protein expression and HPV infection with DNA content is not clear. The aim of this study was to determine a possible correlation between HPV type, protein expression and DNA content in both pre-invasive and invasive squamous cell carcinoma, as well as differences between studied groups in these parameters...
January 12, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28073359/whole-transcriptome-analysis-of-pre-invasive-and-invasive-early-squamous-lung-carcinoma-in-archival-laser-microdissected-samples
#11
Andre Koper, Leo A H Zeef, Leena Joseph, Keith Kerr, John Gosney, Mark A Lindsay, Richard Booton
BACKGROUND: Preinvasive squamous cell cancer (PSCC) are local transformations of bronchial epithelia that are frequently observed in current or former smokers. Their different grades and sizes suggest a continuum of dysplastic change with increasing severity, which may culminate in invasive squamous cell carcinoma (ISCC). As a consequence of the difficulty in isolating cancerous cells from biopsies, the molecular pathology that underlies their histological variability remains largely unknown...
January 10, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28055239/the-evolving-role-of-pathology-in-new-developments-classification-terminology-and-diagnosis-of-pancreatobiliary-neoplasms
#12
REVIEW
Michelle D Reid, Melinda M Lewis, Field F Willingham, N Volkan Adsay
Pancreatobiliary tract lesions are increasingly being discovered because of more sensitive imaging modalities. Magnetic resonance imaging has identified incidental pancreatic cysts in 13.5% of patients of progressively increasing age. Pancreatobiliary tissue is more accessible through endoscopic ultrasound and magnetic resonance imaging-guided biopsy procedures, and is now an integral part of pathologists' routine practice. Accordingly, several new tumor categories have been recently recognized, including intraductal tubulopapillary neoplasm, a new addition to tumoral intraepithelial neoplasms...
March 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27977543/preinvasive-and-invasive-cervical-adenocarcinoma-preceding-low-risk-or-negative-pap-result-increases-time-to-diagnosis
#13
Lea A Moukarzel, Ana M Angarita, Christopher VandenBussche, Anne Rositch, Carol B Thompson, Amanda N Fader, Kimberly Levinson
OBJECTIVES: The aims of the study were to investigate screening histories of women with adenocarcinoma in situ (AIS) and adenocarcinoma (AdCa) of the cervix and to further evaluate screening for glandular disease. MATERIALS AND METHODS: Screening histories were retrospectively collected for patients with AIS or AdCa at a single large-volume academic institution from 2005 to 2015. Fisher exact and Wilcoxon rank sum tests were used to compare AIS with AdCa patient characteristics, distribution of preceding Pap (i...
December 13, 2016: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/27941046/topical-1-5-fluoruracil-as-a-sole-treatment-of-corneoconjunctival-ocular-surface-squamous-neoplasia-long-term-study
#14
Raffaele Parrozzani, Luisa Frizziero, Sara Trainiti, Ilaria Testi, Giacomo Miglionico, Elisabetta Pilotto, Stella Blandamura, Ambrogio Fassina, Edoardo Midena
AIMS: To report long-term clinical outcome of topical 1% 5-fluoruracil (5-FU) as a sole treatment of ocular surface squamous neoplasia (OSSN). METHODS: 41 patients affected by OSSN were included. Each patient underwent full ophthalmological examination at baseline, with cytological or histological confirmation. Patients were treated by topical chemotherapy with 1% 5-FU four times a day for 4 weeks. One course was defined as 4 weeks of topical chemotherapy. Adjunctive courses were administered after 1 month of chemotherapy-free interval...
December 9, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27833960/p53-p16-and-ki67-immunoexpression-in-cutaneous-squamous-cell-carcinoma-and-its-precursor-lesions
#15
Alexandru Marinescu, Alex Emilian Stepan, Claudiu Mărgăritescu, Alis Magdalena Marinescu, Roxana Eugenia Zăvoi, Cristiana Eugenia Simionescu, Mihaela Niculescu
The incidence of cutaneous squamous cell carcinoma (CSCC) and its precursor lesions argues the research for validating markers that would define the biomolecular mechanisms behind the potential progression and aggressiveness of these lesions. In this study, we analyzed the expression of p53, p16 and Ki67 in 91 cases of CSCC and its precursors in relation with the histological prognostic parameters. The quantification of the immunohistochemical reactions indicated superior significant differences for the studied markers in squamous cell carcinomas compared to keratinocytic intraepithelial neoplasia (KIN)...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27815041/feasibility-of-robotic-assisted-laparoendoscopic-single-site-surgery-in-the-gynecologic-oncology-setting
#16
Lea A Moukarzel, Amanda N Fader, Edward J Tanner
STUDY OBJECTIVE: To assess the feasibility of incorporating robotic laparoendoscopic single-site (R-LESS) surgery into gynecologic oncology care. DESIGN: Retrospective study (Canadian Task Force classification II-3). SETTING: Academic university hospital. PATIENTS: Patients undergoing R-LESS hysterectomy for gynecologic malignancies, preinvasive disease, or risk reduction performed by a single gynecologic oncologist between 2014 and 2016...
November 1, 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27775945/diffuse-idiopathic-pulmonary-neuroendocrine-cell-hyperplasia-and-granulomatous-inflammation-mimicking-high-grade-malignancy-on-fdg-pet-ct
#17
Joyce Hsu, Leo Jia, Darko Pucar, Hadyn Williams, Jayanth Keshavamurthy
Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is a rare form of preinvasive lung lesion associated with indolent carcinoid tumor formation. This disease is characterized by multiple small pulmonary nodules with low SUVmax on F-FDG PET. Biopsy and immunohistochemical staining for neuroendocrine markers confirm diagnosis. There is no consensus for treatment, which typically involves surgical excision or management of symptoms with steroid-based therapies. We report an unusual case of DIPNECH colocalizing with necrotizing granulomatous inflammation mimicking high-grade aggressive malignancy on FDG-PET and a typical case of DIPNECH for comparison with low FDG avidity...
January 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27732992/surgical-treatment-of-early-l-stage-lung-cancer-what-has-changed-and-what-will-change-in-the-future
#18
Huan H Sun, Joanna Sesti, Jessica S Donington
Recent advances in the surgical treatment of early stage non-small cell lung cancer (NSCLC) have focused heavily on making procedures less invasive, less radical, and better tolerated. Advances in accuracy and increased utilization of cross-sectional imaging allows for diagnosis of smaller and more indolent tumors and preinvasive lesions. Similar to advanced disease, early-stage treatment is now being tailored to individual patients and their tumors. Sublobar resections are gaining acceptance as an oncologically equivalent approach to lobectomy in well-selected stage I patients...
October 2016: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27709786/rgb-and-hsv-quantitative-analysis-of-autofluorescence-bronchoscopy-used-for-characterization-and-identification-of-bronchopulmonary-cancer
#19
Xiaoxuan Zheng, Hongkai Xiong, Yong Li, Baohui Han, Jiayuan Sun
Autofluorescence bronchoscopy (AFB) shows good sensitivity in detecting dysplasia and bronchopulmonary cancer. However, the poor specificity of AFB would lead to excessive biopsy. The aim of the study is to establish a more effective quantitative method (optimal identification index and reference value) for characterizing the AFB images within the region of interest and discuss AFB's significance in the diagnosis of central-type lung cancer. A total of 218 suspected lung cancer patients were enrolled in this study...
November 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27688241/expression-of-ezrin-and-estrogen-receptors-during-cervical-carcinogenesis
#20
Ahmed Fadiel, Seung Do Choi, Bora Park, Tae-Hee Kim, Julia Buldo-Licciardi, Mitra Ahmadi, Alan Arslan, Khushbakhat Mittal, Frederick Naftolin
RATIONALE: Development of cervical squamous carcinoma (CXCA) is accompanied by changes in estrogen receptors (ERs, ERα and ERβ) and ezrin expression; however, reports have been conflicting. Using histologically documented staging of cervical biopsies, we determined ezrin and ER relationships during CXCA development. METHODS: Immunoreactive (ir) ezrin, ir-ERα, and ir-ERβ were studied in normal epithelium, carcinoma in situ/cervical intraepithelial neoplasia (CIN) 1 to 3, and local invasion or metastatic CXCA...
September 29, 2016: Reproductive Sciences
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