نتایج جستجو برای: squamous epithelial abnormalities
تعداد نتایج: 294692 فیلتر نتایج به سال:
Four cases are reported in each of which squamous epithelium was an incidental finding in surgically excised thyroid gland tissue. The occasional thyroid cyst lined throughout by squamous cells probably represents a persistent ultimo-branchial body, but the evidence indicates that the usual source of such cells in this gland is metaplasia of the follicular epithelium. An explanation is offered ...
Lung cancer is the leading cause of cancer deaths in the United States and worldwide, and the high mortality of this disease is primarily due to the fact that the majority of the lung cancers are diagnosed at advanced stages (1) when the options for treatment are mostly palliative. Experience with other epithelial tumors, such as uterine cervical, esophageal, and colon carcinomas, has shown tha...
OBJECTIVE There is insufficient data on geriatric period cervical cytology screening in our country. The aim of this study was to compare the cervical cytological results among elderly women and women aged between 45-64 years. MATERIAL AND METHOD A comparison of cervical cytological results of 273 women aged over 65 years and 388 women aged between 45-64 years from January 2010 to June 2013 w...
BACKGROUND Epidermal growth factor receptor (EGFR) plays a pivotal role in the pathophysiology of esophageal squamous cell carcinoma (ESCC). However, the clinical effects of EGFR inhibitors on ESCC are controversial. This study sought to identify the factors determining the therapeutic efficacy of EGFR inhibitors in ESCC cells. METHODS Immortalized-human esophageal epithelial cells (EPC2-hTER...
Alterations of the p53 gene are the most frequently documented genetic abnormalities in human cancer. The aim of the present study was to analyse if this alteration is an early event in oral tumorigenesis and if the suprabasal expression of p53 is a marker of the presence and severity of epithelial dysplasia. Immunohistochemical p53 expression in 78 specimens of oral squamous cell carcinoma and...
A portable confocal system with the excitations at 355nm and 457nm was instrumented to investigate the depth-resolved fluorescence of cervical tissue. The study focused on extracting biochemical and morphological information carried in the depth-resolved signals measured from the normal squamous epithelial tissue and squamous intraepithelial lesions. Strong keratin fluorescence with the spectra...
A comparative evaluation on E-cadherin expression in oral squamous cell carcinoma with and without regional lymph node metastasis Dr. N. Mohtasham* - Dr. A. Omidi**- Dr. K. Kamyabhesari*** - Dr. M. Shakeri**** *- Assistant Professor of Oral Pathology Dept. - Faculty of Dentistry – Mashhad University of Medical Sciences. **- Professor of Pathology Dept. – Ghaem Hospital. ***- Fellowship of Derma...
BACKGROUND Recent data have suggested that cardia biopsy specimens may be more reflective of gastro-oesophageal reflux disease (GORD) than squamous biopsy specimens. AIMS To assess the distribution, severity, and types of mucosal injury in GORD. PATIENTS Thirty patients with symptomatic GORD with no or minimal erosions. METHODS Biopsies were performed at the squamocolumnar junction (Z-lin...
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