This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Salivary Gland, Subject name: Surgery
Seabrocks operation is done for 
Select and explain. 
A. Parotid fistula, B. Thyroglossal fistula, C. Thyroglossal cyst, D. Branchial fistula
A: Parotid fistula
Answer: A: Parotid fistula 
Explanation: Ans. (a) Parotid FistulaRef: SRB Manual of surgery, 4th ed p-438-39* Parotid fistula usually results following surgery or Trauma or infection* Fistulas from Parotid gland usually heals* Fistulas from duct wont heal and will need Newman and Seabrook operation - reconstruction of duct by double cannulation.