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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Villous adenoma presents as: September 2010
assistant
The correct answer is  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.