Types of Cancer :: Gallbladder Cancer - Part II
The majority of these cancers are "adenocarcinomas", with subtypes such as papillary, nodular, and tubular, depending on the appearance of the tumor cells under the microscope. Less common subtypes include: squamous cell, signet ring cell, and adenosquamous (adenoacanthoma).
Who gets gallbladder cancer?
Gallbladder cancer is most often seen in older patients, with a median age at diagnosis of 62-66 years. It occurs more often in females, with a female-to-male ratio of about 3:1. The highest rates of gallbladder cancer occur among US Native Americans, as well as in Mexico, South America, Israel, and China. In fact, Israel has the highest worldwide incidence, with 7.5 cases per 100,000 men and 13.8 cases per 100,000 women. Low rates are seen in India, Nigeria, and Singapore.
posted by Dave Stone @ 1/07/2006 01:36:00 PM
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