What are the types of bladder cancer?

Many. Most "bladder cancer" in the US refers to urothelial carcinoma (previously called transitional cell carcinoma). This accounts for 90% of "bladder cancer". Squamous cell and adenocarcinoma are more rare types acounting for 8% or so. These are associated with chronic inflammation/irritation or genetic predisposition. There is conflicting evidence if any of the above types are worse than the others.
Various. The most common type of bladder cancer is called transitional cell carcinoma and makes up the vast majority of bladder cancers in the unites states. The next most common form is squamous cell carcinoma, followed by the rarest called adenocarcinoma. The latter 2 tend to be more aggressive tumors with a poorer long term prognosis.

Related Questions

I take 30 mg of actos (pioglitazone) for type 2 diabetes daily. It has been linked to increased risk of bladder cancer in person taking actos (pioglitazone). Is actors safe?

See answer. There has been a slight excess of bladder cancers detected in patients who have taken Actos (pioglitazone) compared to others who do not. This appears to be time and dose dependent. Very few people who take Actos (pioglitazone) will develop bladder cancer. However there are many alternatives so it makes sense to switch to another drug if that will be effective , . Read more...