This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2018, Subject name: Surgery
Using a small fine probe, single lactiferous duct is excised. What is the name of the procedure: 
Select and explain. 
A. Macrodochectomy, B. Microdochectomy, C. Webster operation, D. Hadfield operation
B: Microdochectomy
Answer: B: Microdochectomy 
Explanation: Microdochectomy: Small fine probe inseed into duct Peri-areolar incision is made By dissecting nipple flap, duct is excised Done for duct papilloma Hadfield operation: Conical excision of major ducts Done for duct ectasia