Long standing goitre leads to: (A) Follicular carcinoma, (B) Colloid carcinoma, (C) Medullary carcinoma, (D) Papillary carcinoma
Answer is A. Long standing goitre leads to cancer, usually follicular. Dominant or rapidly growing nodules in longstanding goitres should always be subjected to aspiration cytology. Reference: Bailey & Love's Sho Practice of Surgery, 27th Edition, page no= 807.