This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
A patient with Crohn's disease was opened for and an inflammed appendix found. The treatment of choice is? 
Select and explain. 
A. Appendicectomy, B. Ileocolic resection and anastamosis, C. Close the abdomen and sta medical treatment, D. None of the above
A: Appendicectomy
Answer: A: Appendicectomy 
Explanation: Ans. is 'a' i.e., Appendicectomy Sabiston writes - "Patients who undergo exploration for presumed appendicitis and have evidence of Crohn's disease should undergo appendectomy. Although there is theoretical concern for the development of an enterocutaneous fistula, this is extremely rare. Moreover appendectomy prevents fuher diagnostic confusion."