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https://www.readbyqxmd.com/read/28342951/a-model-to-identify-individuals-at-high-risk-for-esophageal-squamous-cell-carcinoma-and-precancerous-lesions-in-regions-of-high-prevalence-in-china
#1
Mengfei Liu, Zhen Liu, Hong Cai, Chuanhai Guo, Xiang Li, Chaoting Zhang, Hui Wang, Dong Hang, Fangfang Liu, Qiuju Deng, Xin Yang, Wenqing Yuan, Yaqi Pan, Jingjing Li, Chanyuan Zhang, Na Shen, Zhonghu He, Yang Ke
BACKGROUND & AIMS: We aimed to develop a population-based model to identify individuals at high-risk for esophageal squamous cell carcinoma (ESCC) in regions of China with a high prevalence of this cancer. METHODS: We collected findings from 15,073 permanent residents (45-69 years old) of 334 randomly selected villages in Hua County, Henan Province, China who underwent endoscopic screening (with iodine staining) for ESCC from January 2012 through September 2015...
March 22, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28329670/telomere-length-cutaneous-beta-human-papillomavirus-infection-and-cutaneous-squamous-cell-carcinoma
#2
Shalaka Hampras, Michael Pawlita, Massimo Tommasino, Jong Park, Pearlie Burnette, Neil Fenske, Basil Cherpelis, Dana Rollison
BackgroundCutaneous beta-human papillomavirus (HPV) infection and telomere length have both been associated with cutaneous squamous cell carcinoma (SCC). We examined the interaction between telomere length and beta-HPV in association with SCC.MethodsA subset of SCC cases and controls, enrolled in a previously conducted case-control study (2007-2008) at the University of South Florida and Moffitt Cancer Center, for whom data was available on telomere length and a) beta-HPV serology (135 cases and 201 controls), b) beta-HPV DNA in eyebrow hairs (EB) (130 SCC cases and 195 controls) and c) beta-HPV DNA in SCC tumors (117 cases), were included in the present analyses...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28287855/association-between-cataract-and-keratinocytic-skin-cancers-or-melanoma-speculating-on-the-common-role-of-sun-and-ultraviolet-radiation-exposures
#3
David Varssano, Mira Friedman, Michaella Goldstein, Shai Bar-Sela, Tal Sella, Varda Shalev, Gabriel Chodick
PURPOSE: Cataract and sun-related skin conditions are proxies to lifetime UV exposure. We examined the association between them using real-world data from an unselected Israeli population. METHODS: Computerized data was obtained from an Israeli health maintenance organization regarding cases of sun-related skin pathologies and cataract diagnosed between 2006 and 2011 in 686,260 members aged 40 or above. RESULTS: Sun-related skin disorders were found in 9...
March 13, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28279759/what-do-we-know-about-the-structure-of-human-thymic-hassall-s-corpuscles-a-histochemical-immunohistochemical-and-electron-microscopic-study
#4
Renáta Mikušová, Veronika Mešťanová, Štefan Polák, Ivan Varga
Hassall's corpuscles are the most prominent structures in the human thymus. However, relatively few analyses have been performed to determine their function and cellular origins during development. In this study, we evaluated the cellular microenvironment of human thymic Hassall's corpuscles using histochemistry, immunohistochemistry, and transmission electron microscopy. We examined 95 human thymic tissue samples, which were perioperatively obtained from children undergoing cardiac surgery. To characterize the complex cellular microenvironment of human thymic corpuscles, we used a panel of 14 different antibodies to identify discrete cell types...
March 6, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28278337/a-proposal-to-redefine-close-surgical-margins-in-squamous-cell-carcinoma-of-the-oral-tongue
#5
Daniella Karassawa Zanoni, Jocelyn C Migliacci, Bin Xu, Nora Katabi, Pablo H Montero, Ian Ganly, Jatin P Shah, Richard J Wong, Ronald A Ghossein, Snehal G Patel
Importance: Resection of the primary tumor with negative margins is the gold standard treatment for squamous cell carcinoma of the oral tongue (SCCOT). A microscopically positive surgical margin is clearly associated with a higher risk for local recurrence, whereas a negative margin has traditionally been defined as greater than 5.0 mm clearance from the tumor, with lesser margins arbitrarily designated as close. The precise cutoff at which the risk for local recurrence with a close margin approximates that of a microscopically positive margin remains unclear...
March 9, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28274074/oral-carcinoma-cuniculatum-a-new-entity-in-the-clinicopathological-spectrum-of-oral-squamous-cell-carcinoma
#6
Uma Vasant Datar, Alka Kale, Deepa Mane
Carcinoma cuniculatum is principally recognized as a variant of carcinoma involving foot. The World Health Organization (WHO) recognizes Oral Carcinoma Cuniculatum (OCC) as a distinct and rare clinicopathological variant of Oral Squamous Cell Carcinoma (OSCC). OCC is confused clinically and histologically with Verrucous Carcinoma (VC) and is often misdiagnosed as either VC or OSCC. To best of our knowledge, till date, only 50 cases of this tumour have been reported in oral cavity (including the present case) and only limited number of cases have been reported from Indian subcontinent...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28257152/hpv-independent-vulvar-squamous-cell-carcinoma-has-a-worse-prognosis-than-hpv-associated-disease-a-retrospective-cohort-study
#7
Jessica N McAlpine, Samuel Leung, Angela Cheng, Dianne Miller, Aline Talhouk, C Blake Gilks, Anthony N Karnezis
BACKGROUND: Vulvar squamous cell carcinoma (VSCC) can be subdivided by HPV status into two clinicopathological entities. Studies on the prognostic significance of HPV in VSCC are discordant. METHODS: We performed a retrospective analysis of overall survival (OS), disease-specific survival (DSS) and progression-free survival (PFS) in 217 patients with VSCC. Cases were extracted from an era of more aggressive en bloc radical dissections (1985-1995) and more localized radical surgery through separate vulvar and groin excisions (1996-2005)...
March 3, 2017: Histopathology
https://www.readbyqxmd.com/read/28243906/structural-reorganization-of-the-vaginal-mucosa-in-stress-urinary-incontinence-under-conditions-of-er-yag-laser-treatment
#8
G A Lapii, A Yu Yakovleva, A I Neimark
Structural characteristics of the vaginal mucosa in stress incontinence and its correction by IncontiLase technology were studied. Studies of vaginal biopsy specimens before the exposure showed degenerative and atrophic changes in the stratified squamous epithelium, disorganization of fibrillar structures of the intercellular matrix, and microcirculatory disorders. Studies after Er:YAG laser exposure showed signs of neocollagenogenesis and elastogenesis, foci of neoangiogenesis, reduction of epithelial degeneration and atrophy, and an increase of the fibroblast population...
February 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28231601/early-age-at-first-sexual-intercourse-is-associated-with-higher-prevalence-of-high-grade-squamous-intraepithelial-lesions-hsil
#9
José Cândido Caldeira Xavier-Júnior, Rozany Mucha Dufloth, Diama Bhadra Vale, Marcelo Tavares de Lima, Luiz Carlos Zeferino
Objective To evaluate the association of age at first sexual intercourse with the results of the cervicovaginal cytology. Study Design Observational analytical study about the prevalence of altered cervicovaginal cytology results in women aged between 18 and 34 years from a densely populated area in Brazil, during 10 years. The patients were stratified into 2 categories according to their age at first sexual intercourse (13-16 years and 17-24 years). Results From the total of 2,505,154 exams, 898,921 tests were in accordance with the inclusion criteria...
February 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28225789/non-melanoma-skin-cancer-and-risk-of-alzheimer-s-disease-and-all-cause-dementia
#10
Sigrun A J Schmidt, Anne G Ording, Erzsébet Horváth-Puhó, Henrik T Sørensen, Victor W Henderson
Cancer patients may be at decreased risk of Alzheimer's disease. This hypothesis is best developed for non-melanoma skin cancer (NMSC), but supportive epidemiological data are sparse. We therefore conducted a nationwide cohort study of the association between NMSC and Alzheimer's disease (main outcome) and all-cause dementia. Using Danish medical databases, we identified adults diagnosed with NMSC between 1 January 1980 and 30 November 2013 (n = 216,221) and a comparison cohort of five individuals matched to each NMSC patient by sex and birth year (n = 1,081,097)...
2017: PloS One
https://www.readbyqxmd.com/read/28218707/fkbp51-immunohistochemical-expression-a-new-prognostic-biomarker-for-oscc
#11
Daniela Russo, Francesco Merolla, Massimo Mascolo, Gennaro Ilardi, Simona Romano, Silvia Varricchio, Virginia Napolitano, Angela Celetti, Loredana Postiglione, Pier Paolo Di Lorenzo, Luigi Califano, Giovanni Orabona Dell'Aversana, Fabio Astarita, Maria Fiammetta Romano, Stefania Staibano
Up-to-date, several molecular markers of prognosis have been studied in Oral Squamous Cell Carcinoma (OSCC), but none entered in the clinical setting. Therapy of OSCC tumors mainly relies on surgery, radiotherapy and partially on chemotherapy; there is an urgent need for biomarkers able to better stratify OSCC patients' risk to address targeted therapeutic strategies. The role of immune response in the pathogenesis and biological behavior of OSCC has been investigated by several authors, and promising results have been obtained with immune checkpoint inhibitors...
February 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28216507/-a-case-report-for-giant-cholesteatoma-occurred-in-%C3%A2-fronto-parietal-bone
#12
Yu Zhou, Yugang Jiang
Cholesteatoma is a destructive and expanding growth benign tumor, mainly consisting of stratified squamous epithelium. It possesses the capacity of eroding bone and can exist in a nonaggressive state, remaining undetected for years. Once cholesteatoma appeared, it grows relentlessly and threats to invade intra-temporal structures. Most cholesteatomas occurred in the petrous bone and also affected the labyrinth and middle cranial fossa. Here, we report a preliminary wrongly-diagnosed case. The patient was wrongly diagnosed as "sebaceous cyst with infection" by local hospital...
January 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28209236/epithelial-downgrowth-report-of-2-cases-diagnosed-by-ocular-biopsy
#13
REVIEW
Hershel R Patel, Curtis E Margo
Epithelial downgrowth is an uncommon complication of ocular surgery or adverse consequence of accidental trauma, caused by surface squamous epithelium that has gained access to the inner compartments of the eye. Once embedded in the eye, squamous epithelium spreads over contiguous structures, interfering with normal aqueous outflow and vision. The pursuit of improved therapies is ongoing, but the greatest chance of preventing blindness is with early recognition. Two cases of epithelial downgrowth diagnosed from a corneal button and an iris biopsy are presented to familiarize pathologists with this disorder...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28209012/a-case-of-verruciform-xanthoma-arising-in-the-tongue
#14
Yukihiro Hiraishi, Itaru Tojyo, Norifumi Kiga, Koji Tanimoto, Shigeyuki Fujita
Verruciform Xanthoma (VX) is a rare lesion of the oral cavity. Histologically, it is characterized by papillary or verrucous proliferation of squamous epithelium and numerous foam cells. VX arising in the tongue is comparatively rare, as most cases of VX in oral cavity occur in gingiva. A 65-year-old woman was referred to our clinic with a mass on the left side of the tongue. The lesion was yellowish, and its surface was granulated. The patient had neither tenderness nor any symptoms. The lesion was clinically diagnosed to be a benign tumor, and hence, biopsy was performed, according to which it was diagnosed as hyperparakeratosis...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28199962/incorporation-of-the-number-of-positive-lymph-nodes-leads-to-better-prognostic-discrimination-of-node-positive-early-stage-cervical-cancer
#15
Juan Zhou, San-Gang Wu, Jia-Yuan Sun, Xu-Lin Liao, Feng-Yan Li, Huan-Xin Lin, Li-Chao Yang, Zhen-Yu He
To determine the prognostic value of the number of positive lymph nodes (LNs) in cervical cancer and further stratify patients with positive LNs into multiple risk groups based on analysis of Surveillance Epidemiology and End Results (SEER) program. Patients with cervical cancer who undergo hysterectomy and had pathologically-confirmed positive LNs after lymphadenectomy were identified using the SEER database (1988-2012). Kaplan-Meier survival methods and Cox proportional hazards regression were performed. We included 2,222 patients with the median number of removed LNs and positive LNs was 22 and 2, respectively...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28195638/significant-changes-in-sexual-behavior-after-a-diagnosis-of-human-papillomavirus-positive-and-human-papillomavirus-negative-oral-cancer
#16
Miren Taberna, Ronald C Inglehart, Robert K L Pickard, Carole Fakhry, Amit Agrawal, Mira L Katz, Maura L Gillison
BACKGROUND: Sexual behavior and oral human papillomavirus (HPV) infection are risk factors for oral squamous cell carcinoma (OSCC). The effects of OSCC diagnosis and treatment on subsequent relationship stress and sexual behavior are unknown. METHODS: Incident cases of HPV-positive or HPV-negative OSCC in patients who had a partnered relationship and partners of patients with oropharyngeal cancer were eligible for a study in which surveys were administered at diagnosis and at the 6-month follow-up time point to assess relationship distress, HPV transmission and concerns about health consequences, and sexual behavior...
February 14, 2017: Cancer
https://www.readbyqxmd.com/read/28190659/demographic-and-lifestyle-factors-and-survival-among-patients-with-esophageal-and-gastric-cancer-the-biobank-japan-project
#17
Emiko Okada, Shigekazu Ukawa, Koshi Nakamura, Makoto Hirata, Akiko Nagai, Koichi Matsuda, Toshiharu Ninomiya, Yutaka Kiyohara, Kaori Muto, Yoichiro Kamatani, Zentaro Yamagata, Michiaki Kubo, Yusuke Nakamura, Akiko Tamakoshi
BACKGROUND: Several studies have evaluated associations between the characteristics of patients with esophageal and gastric cancer and survival, but these associations remain unclear. We described the distribution of demographic and lifestyle factors among patients with esophageal and gastric cancer in Japan, and investigated their potential effects on survival. METHODS: Between 2003 and 2007, 24- to 95-year-old Japanese patients with esophageal and gastric cancer were enrolled in the BioBank Japan Project...
March 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28160562/the-tumor-suppressor-capability-of-p53-is-dependent-on-non-muscle-myosin-iia-function-in-head-and-neck-cancer
#18
Sonya D Coaxum, Jessica Tiedeken, Elizabeth Garrett-Mayer, Jeffrey Myers, Steven A Rosenzweig, David M Neskey
Over 300,000 patients develop squamous cell carcinoma of the head and neck (HNSCC) worldwide with 25-30% of patients ultimately dying from their disease. Currently, molecular biomarkers are not used in HNSCC but several genes have been identified including mutant TP53 (mutp53). Our recent work has identified an approach to stratify patients with tumors harboring high or low risk TP53 mutations. Non-muscle Myosin IIA (NMIIA) was recently identified as a tumor suppressor in HNSCC. We now demonstrate that low MYH9 expression is associated with decreased survival in patients with head and neck cancer harboring low-risk mutp53 but not high-risk mutp53...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28160234/morphological-study-of-the-european-hedgehog-erinaceus-europaeus-tongue-by-sem-and-lm
#19
Ghasem Akbari, Mohammad Babaei, Belal Hassanzadeh
The hedgehog tongue is a tactile and taste organ which carries out various functions. Detailed functional and morphological studies are required to clearly define the relationship of the hedgehog tongue with taste, food palatability, mastication and swallowing of food, as well as the production of sounds. The aim of this study was to determine the relationship between the morphological characteristics of the European hedgehog tongue and the lifestyle of this animal, as well as to compare findings with the results of studies on other vertebrates...
February 3, 2017: Anatomical Science International
https://www.readbyqxmd.com/read/28152979/the-important-role-of-circulating-cyfra21-1-in-metastasis-diagnosis-and-prognostic-value-compared-with-carcinoembryonic-antigen-and-neuron-specific-enolase-in-lung-cancer-patients
#20
Li Zhang, Dan Liu, Lei Li, Dan Pu, Ping Zhou, Yuting Jing, He Yu, Yanwen Wang, Yihan Zhu, Yanqi He, Yalun Li, Shuang Zhao, Zhixin Qiu, Weimin Li
BACKGROUND: The roles of carcinoembryonic antigen (CEA), cytokeratin 19 fragments (CYFRA21-1) and neuron-specific enolase (NSE) in metastases occurrence and poor diagnosis in specific histological classifications of lung cancer need further exploring. In this study, we investigated relationship between elevated levels of three biomarkers of CEA, CYFRA21-1 and NSE (individually and in combination) and metastasis, survival status and prognosis in lung cancer patients. METHODS: Eight hundred and sixty eight lung cancer patients including adenocarcinoma (ADC, N = 445), squamous cell carcinoma (SCC, N = 215), small cell lung cancer (SCLC, N = 159) and other types (N = 49) were categorized into negative, moderate and high groups according to serum levels of biomarkers, and were then categorized into negative, single, double and triple groups according to any positive combination of three biomarkers...
February 2, 2017: BMC Cancer
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