Gallbladder cancer is a malignancy that arises in the gallbladder. There are several types of gallbladder cancer, some of them include:
- Adenocarcinomas – they are cancers that develop in the gland cells in the lining of the gallbladder. Gallbladder adenocarcinomas represent about85% of gall bladder cancers; they include non papillary adenocarcinoma, papillary adenocarcinoma, and mucinous adenocarcinoma.
- Squamous cell cancer of the gallbladder – this is a rare form of gallbladder cancer,accounts for only less than 12.7% of all gallbladder tumors. In general, s quamous cell cancer of the gallbladder develops from the skin-like cells that form the lining of the gallbladder.
- Adenosquamous cancer of the gallbladder – this is a rare histological form of the gallbladder carcinoma that affects both squamous epithelial cells and glandular cells of the bladder.
- Small cell cancer of the gallbladder – also called oat cell carcinomas, small cell carcinoma of the gallbladder is a rare form of malignant tumor that has characteristics similar to those of adenocarcinoma of the gallbladder.
- Sarcoma of the gallbladder – this type of gallbladder cancer affects the muscle layer of the gallbladder; it is very rare.