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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
Treatment of choice in Medullary Ca thyroid
assistant
The correct answer is  Surgery is the main therapeutic modality. Total thyroidectomy with bilateral central node dissection and ipsilateral lateral neck dissection if primary tumor is greater than 1cm or central nodes are positive. Reference: SRB's Manual of Surgery, 6th Edition, page no= 477. Reference: Bailey & love, 26th Edition, page no =769.