system
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
A biopsy from a mass in front of the neck revealed parafollicular cells. How do you follow up?
assistant
The correct answer is  Biopsy from the mass in front of the neck revealed parafollicular cells indicating that it's a case of Medullary carcinoma of the thyroid. Medullary carcinoma of the thyroid (MTC): It is a distinct thyroid carcinoma that originates in the parafollicular C cells of the thyroid gland. These C cells produce calcitonin. Hence it is used for follow up of these patients