نتایج جستجو برای: esophagus cancer
تعداد نتایج: 921436 فیلتر نتایج به سال:
This review focuses on the histopathological evaluation of endoscopic mucosal resection (EMR) specimens in Barrett's esophagus, and on the histopathological, biological, and molecular properties of postablation Barrett's esophagus. EMR may be used for both diagnostic and therapeutic purposes. Diagnostic accuracy regarding the grade and stage of neoplasms is improved with the use of EMR, but the...
Cancer of the esophagus is the eighth most common cancer by incidence worldwide and ranks sixth as the most common cause of cancer death. It is unique among the gastrointestinal tract malignancies because it embodies two distinct histopatologic types, squamous cell carcinoma and adenocarcinoma. Which type of cancer occurs in a given patient or predominates in a given geographic area depends on ...
Background: Esophageal cancer remains one of the deadliest cancers with an overall 5-year survivalrate estimated to be less than 18%. Squamous cell carcinoma esophagus is predominanthistology in cervical and upper middle thirds thoracic esophagus, whereasadenocarcinoma predominates distal esophagus. Lymph node involvement number oflymph metastases are important prognostic factorsMaterials Metho...
The effects of feeding p-methoxyphenol, benzyl isothiocyanate, coumarin, alpha-angelicalactone, 2-tert-butyl-4-hydroxyanisole, and 3-tert-butyl-4-hydroxyanisole on the glutathione S-transferase activity and sulfhydryl levels of esophagus and small bowel mucosa of ICR/Ha mice have been investigated. p-Methoxyphenol, benzyl isothiocyanate, coumarin, and 2-tert-butyl-4-hydroxyanisole increased glu...
BACKGROUND Risk factors for development of a stricture of the upper esophagus after radiotherapy for head and neck cancer are poorly defined. METHODS This was a retrospective case-control study of patients diagnosed and treated for esophageal stricture after radiotherapy for head and neck cancer. RESULTS The incidence of esophageal stricture after external beam radiation therapy (EBRT) was ...
10.1586/14750708.4.6.xxx © 2 Barrett’s esophagus is a metaplastic change of the epithelium of the esophagus, caused by injury and inflammation related to gastroesophageal reflux disease. Metaplasia is defined as the transformation from one cell type to another cell type. In the case of Barrett’s esophagus, the normal squamous epithelium is replaced by a columnar epithelium-containing goblet cel...
سرطان سومین عامل مرگ در ایران است و سالانه حدود 30 هزار نفر در ایران بر اثر ابتلا به انواع سرطان جان خود را از دست می دهند. سرطان مری یا esophagus cancer در بین سرطان ها رتبه ششم از نظر شیوع و از نظر مرگ و میر در رتبه نهم سرطان ها دارد. هدف از این مطالعه ارزیابی بررسی بیان ژن پروستاگلاندین اندوپروکسید سنتتاز 2 (cox-2) در سرطان مری می باشد. cox ها (cyclo-oxygenases)، cox-1و cox-2، آنزیم های نظار...
PURPOSE Long-term follow-up studies of asbestos-related cancer in shipbreaking workers are lacking. This study examines the relationship between cancer incidence and asbestos exposure among former Taiwan shipbreaking workers. METHODS A total of 4,427 shipbreaking workers and 22,135 population-based matched controls were successfully followed in this study. The study cohort was linked to the T...
We hereby reported a case of 60-year old man with superficial esophageal cancer complicated with idiopathic muscular hypertrophy of the esophagus. Endoscopic ultrasonography and CT showed the thickness of esophageal muscular layer, but the accurate diagnosis could not be entertained before operation. Idiopathic muscular hypertrophy of the esophagus is an entity rarely encountered, and most case...
esophageal cancer is the ninth most common malignancy.the incidence of esophageal cancer varies greatly among regions of the world and occurs at a high frequency in asia and northern iran. we report the case of an 80-year-old man with esophageal squamous cell carcinoma who initially presented with a metastatic scalp lesion. esophagoscopy was performed and a lesion was located in the mid-portion...
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