Related Experiment Videos
Infection as a risk factor for gallbladder cancer
Sandeep Kumar1, Shailendra Kumar, Surender Kumar
1Department of Surgery, King Georges Medical University, Lucknow, India. k_sandeep@hotmail.com
Journal of Surgical Oncology
|May 26, 2006
Summary
Chronic gallbladder infections, particularly Salmonella, are strongly linked to gallbladder cancer development, especially in regions with high typhoid prevalence. Further research is needed to fully understand these infective links.
Area of Science:
- Hepatobiliary Medicine
- Oncology
- Infectious Diseases
Background:
- Gallbladder cancer is a prevalent hepatobiliary malignancy with a poor prognosis.
- Identified risk factors include gallstones, obesity, reproductive factors, diet, and environmental exposures.
- Genetic and molecular predisposing factors have also been implicated.
Purpose of the Study:
- To review the association between chronic infection and gallbladder cancer.
- To explore the role of infective etiological aspects in gallbladder cancer pathogenesis.
- To highlight the need for further research into the disease's underlying causes.
Main Methods:
- Comprehensive review of published literature on gallbladder cancer and chronic infections.
- Analysis of studies investigating bacterial and Salmonella infections in gallbladder carcinogenesis.
- Examination of research on genetic mutations (e.g., P53, K-ras) in gallbladder cancer.
Main Results:
- A significant association exists between mixed bacterial and Salmonella infections and gallbladder cancer, particularly in areas endemic for typhoid.
- Chronic inflammation and bacterial degradation of bile are suggested as contributing factors.
- Mutations in tumor suppressor genes and oncogenes have been observed in some cases.
Conclusions:
- Chronic infections, especially Salmonella, represent a significant etiological factor in gallbladder cancer development.
- Bacterial activity and chronic inflammation likely play a role in the carcinogenic process.
- Further investigation is crucial for a comprehensive understanding of gallbladder cancer pathogenesis.
Related Concept Videos
01:20Cholecystitis
Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
01:26Diseases of the Liver and Gallbladder
Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
01:26Gastritis II: Pathophysiology
The pathophysiology of gastritis begins with the colonization of the stomach lining by Helicobacter pylori (H. pylori). This bacterium spreads mainly via the oral-oral route through saliva or shared utensils, and can also be transmitted in overcrowded or unhygienic environments through contaminated water, despite its brief survival outside the body.ColonizationOnce ingested, H. pylori enters the stomach and begins colonization by navigating through the mucus layer lining the stomach wall. It...
01:17Gallbladder
The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins the common...
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins the common...
02:59Cancer Prevention
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
01:28Amebiasis
Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...