This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
Variant of papillary carcinoma thyroid 
Select and explain. 
A. Medullary, B. Wahin, C. Columnar cell, D. Insular
C: Columnar cell
Answer: C: Columnar cell 
Explanation: Papillary carcinoma common in female and younger age group . Its called hormone dependend tumour. Types: tall cell type - very aggresive type show capsular and vascular invasion. Columnar type- seen in males . Treatment :total oe near total thyroidectomy Suppresive dose of L thyroxine. SRB's Manual of Surgery.Edition -5. Pg no:480