gastrointestinal tract cancer symptoms
Chapter 087. Gastrointestinal Tract Cancer (Part 1) docx
... esophageal cancers. Chapter 087. Gastrointestinal Tract Cancer (Part 1) Harrison's Internal Medicine > Chapter 87. Gastrointestinal Tract Cancer Gastrointestinal Tract Cancer: ... Introduction The gastrointestinal tract is the second most common noncutaneous site for cancer and the second major cause of cancer- related mortality in the United States. Esophageal Cancer Incidence ... 87-1). In the United States, esophageal cancer cases are either squamous cell carcinomas or adenocarcinomas. The etiology of squamous cell esophageal cancer is related to excess alcohol consumption...
Ngày tải lên: 07/07/2014, 02:20
Chapter 087. Gastrointestinal Tract Cancer (Part 2) ppsx
... patients perioperative morbidity but often resulting in less satisfactory palliation of obstructive symptoms. The evaluation of chemotherapeutic agents in patients with esophageal carcinoma has been ... chemoradiation combination. For the incurable, surgically unresectable patient with esophageal cancer, dysphagia, malnutrition, and the management of tracheoesophageal fistulas are the diagnosis. ... squamous cell carcinoma of the esophagus (i.e., smokers and drinkers) also has a high rate of cancers of the lung and the head and neck region, endoscopic inspection of the larynx, trachea,...
Ngày tải lên: 07/07/2014, 02:20
Chapter 087. Gastrointestinal Tract Cancer (Part 3) doc
... 087. Gastrointestinal Tract Cancer (Part 3) Tumors of the Stomach Gastric Adenocarcinoma Incidence and Epidemiology For unclear reasons, the incidence and mortality rates for gastric cancer ... where the frequency of gastric cancer is declining. Thus, different etiologic factor(s) may be involved in these two subtypes. In the United States, ~30% of gastric cancers originate in the distal ... may lead to cellular atypia and eventual neoplasia. Since the declining incidence of gastric cancer in the United States primarily reflects a decline in distal, ulcerating, intestinal-type...
Ngày tải lên: 07/07/2014, 02:20
Chapter 087. Gastrointestinal Tract Cancer (Part 4) ppt
... high incidence of occult gastric cancers in young asymptomatic carriers. Duodenal ulcers are not associated with gastric cancer. Clinical Features Gastric cancers, when superficial and surgically ... Carcinoma Data from ACS Stage TNM Features No. of Cases, % 5- Year Chapter 087. Gastrointestinal Tract Cancer (Part 4) Several additional etiologic factors have been associated with gastric ... particularly prominent with tumors of the pylorus; dysphagia and early satiety may be the major symptoms caused by diffuse lesions originating in the cardia. There are no early physical signs....
Ngày tải lên: 07/07/2014, 02:20
Chapter 087. Gastrointestinal Tract Cancer (Part 5) pptx
... Chapter 087. Gastrointestinal Tract Cancer (Part 5) Gastric Adenocarcinoma: Treatment Complete surgical removal of ... unclear. The use of adjuvant chemotherapy alone following the complete resection of a gastric cancer has only minimally improved survival. However, combination chemotherapy administered before...
Ngày tải lên: 07/07/2014, 02:20
Chapter 087. Gastrointestinal Tract Cancer (Part 6) ppsx
... inhibitor of the c- kit tyrosine kinase. Colorectal Cancer Incidence Cancer of the large bowel is second only to lung cancer as a cause of cancer death in the United States: 153,760 new cases ... colonoscopy need not be carried out more frequently than every 3 years. Chapter 087. Gastrointestinal Tract Cancer (Part 6) Gastric (Nonlymphoid) Sarcoma Leiomyosarcomas and GISTs make up ... to colorectal cancer. The incidence rate has remained relatively unchanged during the past 30 years, while the mortality rate has decreased, particularly in females. Colorectal cancer generally...
Ngày tải lên: 07/07/2014, 02:20
Chapter 087. Gastrointestinal Tract Cancer (Part 7) ppt
... for colorectal cancer. Colorectal cancer has increased in Japan since that nation has adopted a more "western" diet. At least three Chapter 087. Gastrointestinal Tract Cancer (Part ... large-bowel cancer appears to be related to environmental factors. The disease occurs more often in upper socioeconomic populations who live in urban areas. Mortality from colorectal cancer is ... Factors Risk factors for the development of colorectal cancer are listed in Table 87- 4. Table 87-4 Risk Factors for the Development of Colorectal Cancer Diet: Animal fat hypotheses have been...
Ngày tải lên: 07/07/2014, 02:20
Chapter 087. Gastrointestinal Tract Cancer (Part 8) ppsx
... pigment epithelium, mesenteric desmoid tumors, and ampullary cancers in addition to the colonic polyps characterizes a subset of polyposis coli known as Gardner's ... evident in affected individuals by age 25. If the polyposis is not treated surgically, colorectal cancer will develop in almost all patients before age 40. Polyposis coli results from a defect ... however, this effect on polyps is only temporary, and NSAIDs are not proven to reduce the risk of cancer. Colectomy remains the primary therapy/prevention. The offspring of patients with polyposis...
Ngày tải lên: 07/07/2014, 02:20
Báo cáo khoa học: High and complementary expression patterns of alcohol and aldehyde dehydrogenases in the gastrointestinal tract Implications for Parkinson’s disease docx
... systems against toxic aldehydes in the gastrointestinal tract. We investigated cellular expression of Adh1, Adh3, Adh4 and Aldh1 mRNA along the rodent GI tract. Using oligonucleotide in situ hybridization ... mainly in the digestive tract and are implicated in detoxification reactions. It is thus possible that impaired function of these genes in the lining of the gastrointestinal (GI) tract could cause toxic ... that the genes are active in the GI tract. In this study we there- fore mapped the cellular expression of Adh1, Adh3, Adh4 and Aldh1 genes along the entire GI tract of mice and rats. Increased...
Ngày tải lên: 16/03/2014, 11:20
New Developments in Upper and Lower Genital Tract Cancer potx
... identity. References 1. National Cancer Institute of Canada: Canadian Cancer Statistics 2000. National Cancer Institute of Canada, Toronto, Canada, 2000, p. 9. 2. Health Canada: Cancer Updates: Cervical Cancer in Canada. ... center-dependent preferences for management. Cervical Cancer Cervical cancer is the eleventh most frequently diag- nosed cancer among Canadian women and the sec- ond most common form of cancer in women world- wide. In ... radiation therapy is the treatment. Vulvar cancer accounts for 5% of all gyneco- logic malignancies, with 90% being squamous in origin. Like cervical cancer, vulvar cancer is most frequently found in...
Ngày tải lên: 22/03/2014, 11:20
Báo cáo khoa học: Expression, localization and potential physiological significance of alcohol dehydrogenase in the gastrointestinal tract pdf
... dehydrogenase in the gastrointestinal tract (Eur. J. Biochem. 270) 2655 62. Wald, N., Boreham, J. & Bailey, A. (1986) Serum retinol and subsequent risk of cancer. Br.J .Cancer5 4, 957–961. 63. ... dehydrogenase in the gastrointestinal tract (Eur. J. Biochem. 270) 2661 Expression, localization and potential physiological significance of alcohol dehydrogenase in the gastrointestinal tract Julia Vaglenova 1, *,‡, ... entire gastrointestinal tract but with a differential tissue distribution. ADH1 was detected mainly in duodenum and the colorectal region, while ADH4 Ó FEBS 2003 Alcohol dehydrogenase in the gastrointestinal...
Ngày tải lên: 23/03/2014, 17:22