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https://www.readbyqxmd.com/read/28105635/dental-and-extra-oral-clinical-features-in-41-patients-with-wnt10a-gene-mutations-a-multicentric-genotype-phenotype-study
#1
C Tardieu, S Jung, K Niederreither, M Prasad, S Hadj-Rabia, N Philip, A Mallet, E Consolino, E Sfeir, B Noueiri, N Chassaing, H Dollfus, M-C Manière, A Bloch-Zupan, F Clauss
WNT10A gene encodes a canonical wingless pathway signaling molecule involved in cell fate specification as well as morphogenetic patterning of the developing ectoderm, nervous system, skeleton, and tooth. In patients, WNT10A mutations are responsible for ectodermal-derived pathologies including isolated hypo-oligodontia, tricho-odonto-onycho-dermal dysplasia (TOODD) and Schöpf-Schulz-Passarge Syndrome (SSPS). Here we describe the dental, ectodermal, and extra-ectodermal phenotypic features of a cohort of 41 patients from 32 unrelated families...
January 20, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28094216/mild-to-moderate-dysplasia-at-surgical-margin-is-a-significant-indicator-of-survival-in-patients-with-oral-cancer
#2
Sandhya Gokavarapu, Nagendra Parvataneni, Sreenivasa Pavagada, L M Chandrasekhara Rao, K V Raju, T Subramaneshwar Rao
OBJECTIVE: The objective of this study was to investigate the significance of mild and moderate dysplasia at the surgical margin with regard to survival and locoregional recurrence. STUDY DESIGN: We investigated cases of primary oral squamous cell carcinoma with negative margins retrospectively from the database of a tertiary cancer hospital. All patients had been treated between January 2010 and December 2012, and margin dysplasia was investigated in a multivariate analysis for locoregional recurrence and overall survival...
November 16, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28091876/hypermethylation-of-ifn-%C3%AE-in-oral-cancer-tissues
#3
Songbo Tian, Chunyang Jiang, Xiaoqin Liu, Sheng Xu, Zhiyong Zhang, Huizhen Chen, Yinghuai Zhang, Yanping Liu, Dong Ma
OBJECTIVES: The study aimed to evaluate the methylation pattern of the interferon-gamma (IFN-γ) gene in oral cancer tissues compared with normal and benign oral disease tissues. MATERIALS AND METHODS: The oral tissues were gained from the patients of 85 cases of oral squamous cell carcinoma (OSCC), 47 cases of oral dysplastic lesions, and 53 normal biopsies. IFN -γ methylation in oral tissues was verified through methylation-specific polymerase chain reaction (PCR) and DNA sequencing analyses, and the expression levels of IFN-γ messenger RNA (mRNA) and protein were detected using real-time reverse transcription (RT)-PCR and enzyme-linked immunosorbent assays, respectively...
January 13, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28060366/oral-lichenoid-lesions-distinguishing-the-benign-from-the-deadly
#4
Susan Müller
Oral lichen planus is a chronic inflammatory disease of unknown etiology or pathogenesis with varied disease severity that waxes and wanes over a long period of time. Although a common oral mucosal disease, accurate diagnosis is often challenging due to the overlapping clinical and histopathological features of oral lichen planus and other mucosal diseases. Other immune-mediated mucocutaneous diseases can exhibit lichenoid features including mucous membrane pemphigoid, chronic graft-versus-host disease, and discoid lupus erythematosus...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28043400/dental-issues-in-lacrimo-auriculo-dento-digital-syndrome-an-autosomal-dominant-condition-with-clinical-and-genetic-variability
#5
M J Hajianpour, Hannah Bombei, Scott M Lieberman, Rachael Revell, Rachana Krishna, Robert Gregorsok, Simon Kao, Jeff M Milunsky
BACKGROUND AND OVERVIEW: Lacrimo-auriculo-dento-digital (LADD) syndrome is an autosomal dominant disorder with variable lacrimal and salivary gland hypoplasia and aplasia, auricular anomalies and hearing loss, dental defects and caries, and digital anomalies. CASE DESCRIPTION: The authors present the cases of 2 unrelated children with enamel defects and history of dry mouth leading to recurrent dental caries. The referring diagnoses were Sjögren disease and hypohidrotic ectodermal dysplasia, respectively...
December 30, 2016: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28042239/oral-steroid-prophylaxis-is-effective-in-preventing-esophageal-strictures-after-large-endoscopic-resection
#6
Jean-Philippe Ratone, Erwan Bories, Fabrice Caillol, Christian Pesenti, Sebastien Godat, Flora Poizat, Chiara De Cassan, Marc Giovannini
BACKGROUND: Strictures are frequent complications of large endoscopic mucosal resections (EMR) and endoscopic submucosal dissections of the esophagus. Local or systemic steroid therapy has shown promise in the prevention of secondary stenosis. The aim of this study was to evaluate the safety and efficacy of systemic steroid therapy following endoscopic resection of at least hemi-circumferential esophageal mucosa. METHODS: This was a single-center retrospective study in a tertiary center...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28036153/semi-quantifiable-angiogenesis-parameters-in-association-with-the-malignant-transformation-of-oral-leukoplakia
#7
D Thiem, S Schneider, Narayan T V, V V Kumar, J Brieger, B Frerich, P W Kämmerer
BACKGROUND: Aim of the study was to assess the role of angiogenesis in the process of malignant transformation of clinical diagnosed oral leukoplakia (OL). MATERIALS AND METHODS: 131 histological preparations (oral leukoplakia/hyperkeratosis without dysplasia (OL; n=49), oral leukoplakia/hyperkeratosis with mild dysplasia (OL-SIN1; n=33), with moderate dysplasia (OL-SIN2; n=13) and leukoplakia-derived oral squamous cell carcinoma (OL-OSCC; n=36)) were evaluated for microvessel density (MVD), vessel diameter as well as for vascular endothelial growth factor (VEGF-A) expression...
December 30, 2016: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28007843/clinical-characteristics-and-management-of-growth-hormone-excess-in-patients-with-mccune-albright-syndrome
#8
Yong Yao, Yang Liu, Lin Jie Wang, Kan Deng, Hongbo Yang, Lin Lu, Feng Feng, Bing Xing, Hui You, Zimeng Jin, Renzhi Wang, Hui Pan, Shi Chen, Hui Juan Zhu
OBJECTIVE: McCune-Albright syndrome (MAS) is a sporadic, postzygotic disease presenting with fibrous dysplasia, cafe-au-lait spots and multiple endocrinopathies. Growth hormone (GH) excess is an uncommon but potentially severe complication of MAS. This study aims to describe the clinical manifestations of GH excess in the context of MAS, and analyze the responses of these patients to treatments. DESIGN: Retrospective clinical study. METHODS: Clinical data from 52 MAS patients were analyzed...
December 22, 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28005783/florid-cemento-osseous-dysplasia-simultaneous-the-chronic-suppurative-osteomyelitis-in-mandible
#9
Mateus Barros Cavalcante, Amanda Laísa de Oliveira Lima, Marcus Antônio Brêda Júnior, Milkle Bruno Pessoa Santos
INTRODUCTION: The florid cemento-osseous dysplasia is an uncommon condition nonneoplastic, of unknown cause with higher prevalence in melanodermic women, limited the maxillary bones, is characterized by the presence of dispersed and diffuse radiopaque calcifications, constituted of bone and dense cemento; however, when the bone is infected it induces the suppuration and formation of osseous sequestra, thus resulting in an osteomyelitis frame. CLINICAL REPORT: The patient was attended in a Dental Specialties Center in the state of Alagoas, Brazil, presenting on clinical examination edema and extra oral fistula with pus drainage in hemiface submandibular of the right side...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28000225/topical-oral-cavity-chemoprophylaxis-using-isotretinoin-rinse-a-15-year-experience
#10
Sameep Kadakia, Arvind Badhey, Mary Milam, Thomas Lee, Yadranko Ducic
OBJECTIVES/HYPOTHESIS: To determine the utility of isotretinoin oral rinses as a method of chemoprevention for recurrent oral cavity squamous cell carcinoma (SCC), carcinoma in situ, and dysplasia. STUDY DESIGN: Retrospective cohort study. METHODS: One hundred forty-three patients were initially enrolled in the study; however, 18 were excluded due to inability to tolerate therapy. The included patients were classified into four groups. Group 1 included patients with multiple early stage oral cavity lesions following initial resection...
December 21, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27999209/s4s8-rpa-phosphorylation-as-an-indicator-of-cancer-progression-in-oral-squamous-cell-carcinomas
#11
Jeff Rector, Sasha Kapil, Kelly J Treude, Phyllis Kumm, Jason G Glanzer, Brendan M Byrne, Shengqin Liu, Lynette M Smith, Dominick J DiMaio, Peter Giannini, Russell B Smith, Greg G Oakley
Oral cancers are easily accessible compared to many other cancers. Nevertheless, oral cancer is often diagnosed late, resulting in a poor prognosis. Most oral cancers are squamous cell carcinomas that predominantly develop from cell hyperplasias and dysplasias. DNA damage is induced in these tissues directly or indirectly in response to oncogene-induced deregulation of cellular proliferation. Consequently, a DNA Damage response (DDR) and a cell cycle checkpoint is activated. As dysplasia transitions to cancer, proteins involved in DNA damage and checkpoint signaling are mutated or silenced decreasing cell death while increasing genomic instability and allowing continued tumor progression...
December 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27994417/a-study-of-ki-67-expression-and-its-clinicopathological-determinants-in-nondysplastic-oral-leukoplakia
#12
Krishnendu Mondal, Rupali Mandal, Badal Chandra Sarkar
CONTEXT: Oral cancer is the third most prevalent malignancy in India. Leukoplakia is its most common precursor lesion. AIMS: This study aimed at evaluation of the Ki-67 expression and thereby detection of the dysplastic potential in histopathologically nondysplastic oral leukoplakia (OL). Secondarily, another purpose was to correlate various clinicopathological factors with the labeling indices (LIs) of Ki-67 in those cases as well. SETTINGS AND DESIGN: In total, 97 OL cases were examined...
October 2016: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/27994410/estimation-of-salivary-sialic-acid-in-oral-premalignancy-and-oral-squamous-cell-carcinoma
#13
Vishakha Chaudhari, G L Pradeep, Nilima Prakash, Aarti M Mahajan
AIMS: Oral cancer is the most life-threatening disease of oral tissues. In societies where the incidence of oral cancer is high, clinically recognizable premalignant lesions are particularly common. Diagnosing oral cancers at an early stage is critical in improving the survival rate and reducing the morbidity associated with the disease. Alterations in the sialic acid levels in cancer patients have stimulated interest in this sugar residue as a possible tumor marker. SETTINGS AND DESIGN: The purpose of this study was to estimate the salivary sialic acid levels in patients with oral premalignancy and squamous cell carcinoma and to correlate it with their grades to develop a cost-effective and noninvasive diagnostic parameter...
October 2016: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/27989864/fluorescence-visualization-efficacy-for-detecting-oral-lesions-more-prone-to-be-dysplastic-and-potentially-malignant-disorders-a-pilot-study
#14
Luciana Estevam Simonato, Saygo Tomo, Glauco Issamu Miyahara, Ricardo Scarparo Navarro, Antonio Jose Guillermo Balbin Villaverde
BACKGROUND: To analyze the efficacy of fluorescence visualization in early detection of oral early neoplastic processes when used by an inexperienced and an adept oral examiner. METHODS: A dental student and an expert professional in oral diagnosis examined 15 randomly selected patients using conventional oral examination and fluorescence visualization searching for early signs of epithelial dysplasia and oral potentially malignant disorders. Patients detected with oral lesions in any of examinations were submitted to incisional biopsy for definitive diagnosis...
October 29, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27978911/-histopathological-analysis-of-oral-lichen-planus-with-malignant-transformation
#15
Y Gao, H Y Luo
Objective: To estimate the histological features of oral lichen planus (OLP) which underwent malignant transformation and discuss the current problems in OLP pathological diagnosis. Methods: Using the modified WHO OLP criteria (2003), reevaluated the pathological changes of cases diagnosed initially as OLP and transformed into squamous cell carcinomas indicated by subsequent biopsies. Results: Among 3 721 cases of OLP clinically and pathologically diagnosed during 1984 and 2015, there were 19 cases (0.51%) having underwent malignant transformation...
December 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/27978548/vitamin-d-receptor-genotype-vitamin-d3-supplementation-and-risk-of-colorectal-adenomas-a-randomized-clinical-trial
#16
Elizabeth L Barry, Janet L Peacock, Judy R Rees, Roberd M Bostick, Douglas J Robertson, Robert S Bresalier, John A Baron
Importance: Despite epidemiological and preclinical evidence suggesting that vitamin D and calcium inhibit colorectal carcinogenesis, daily supplementation with these nutrients for 3 to 5 years was not found to significantly reduce the risk of recurrent colorectal adenomas in a recent randomized clinical trial. Objective: To investigate whether common variants in 7 vitamin D and calcium pathway genes (VDR, GC, DHCR7, CYP2R1, CYP27B1, CYP24A1, and CASR) modify the effects of vitamin D3 or calcium supplementation on colorectal adenoma recurrence...
December 15, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/27976455/evaluation-of-the-p-akt-p-jnk-and-foxo3a-function-in-the-oral-epithelial-dysplasia-malignance
#17
Filipe Nobre Chaves, Thâmara Manoela Marinho Bezerra, Paulo Goberlânio de Barros Silva, Francisco Artur Forte Oliveira, Fabrício Bitu Sousa, Fábio Wildson Gurgel Costa, Ana Paula Negreiros Nunes Alves, Karuza Maria Alves Pereira
OBJECTIVES: To evaluate the expression of p-AKT, p-JNK, FoxO3a and KI-67 in samples of Oral Squamous Cell Carcinoma (OSCC) and Oral Epithelial Dysplasias (OEDs) to understand their possible involvement in the malignant transformation process of oral lesions. MATERIALS AND METHODS: Tissue samples of 20 cases of OSCCs, 20 OEDs and normal oral mucosa were subjected to immunohistochemistry reactions for anti-p-Akt, anti-p-JNK, anti-FoxO3a and anti-Ki-67 antibodies. It was analyzed quantitative (number of immunostained cells) and qualitative (immunostaining intensity) parameters in different cell immunostaining sublocations...
December 14, 2016: Oral Diseases
https://www.readbyqxmd.com/read/27939123/feeding-methods-at-discharge-predict-long-term-feeding-and-neurodevelopmental-outcomes-in-preterm-infants-referred-for-gastrostomy-evaluation
#18
Sudarshan R Jadcherla, Tanvi Khot, Rebecca Moore, Manish Malkar, Ish K Gulati, Jonathan L Slaughter
OBJECTIVE: To test the hypothesis that oral feeding at first neonatal intensive care unit discharge is associated with less neurodevelopmental impairment and better feeding milestones compared with discharge with a gastrostomy tube (G-tube). STUDY DESIGN: We studied outcomes for a retrospective cohort of 194 neonates <37 weeks' gestation referred for evaluation and management of feeding difficulties between July 2006 and July 2012. Discharge milestones, length of hospitalization, and Bayley Scales of Infant Development-Third Edition scores at 18-24 months were examined...
December 1, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27924463/diagnostic-biomarkers-in-oral-verrucous-carcinoma-a-systematic-review
#19
REVIEW
Sepanta Hosseinpour, Fatemeh Mashhadiabbas, Mitra Ghazizadeh Ahsaie
Oral verrucous carcinoma (OVC), a low-grade variant of oral squamous cell carcinoma (OSCC), is most frequently seen in the oral cavity. No clear etiology has been found for this lesion, but human papilloma virus, chewing betel nuts, and ultraviolet radiation are suggested as probable causes. Differential diagnosis of OVC is challenging for oral pathologists. The aim of this study was to review the molecular-based approaches for differential diagnosis of OVC. An electronic search was conducted in Medline and Scopus from January 2004 to July 2015 limited to English language publications...
December 6, 2016: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/27900245/image-analysis-assisted-study-of-mitotic-figures-in-oral-epithelial-dysplasia-and-squamous-cell-carcinoma-using-differential-stains
#20
Ankita Tandon, Narendra Nath Singh, V R Brave, Gadiputi Sreedhar
BACKGROUND: Mitosis is a process of cell division resulting in two genetically equivalent daughter cells. Excessive proliferation of cells due to mitosis is the hallmark in pre cancer and cancer. AIMS: This study was conducted to count the number of mitotic figures in normal oral mucosa, oral epithelial dysplasia and squamous cell carcinoma in both Hematoxylin and Eosin (H&E) and Crystal Violet stained sections. Also the overall number of mitotic figures with both stains were compared along with the evaluation of staining efficacy of both the stains...
November 2016: Journal of Oral Biology and Craniofacial Research
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