You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Villous adenoma presents as: September 2010 and explain in detail?
Ans. B: Hypokalemia Villous adenomas of the colon usually produce a hyperchloremic metabolic acidosis because of the loss of large volumes of colonic fluid, rich in potassium and bicarbonate. Occasionally, these tumors cause metabolic alkalosis. The mechanism is not well understood. Some authors opine that the hypokalemia caused by these tumors is the etiology of metabolic alkalosis.