Imaging diagnosis technique and perioperative management for complex anal fistula in patients with Crohn's disease        PENG Jun-sheng，ZHOU Zhi-yang，GAO Xiang. Department of Gastrointestinal Surgery, Six Affiliated Hospital of Sun Yat-sen University, Guangzhou 510655，China
Corresponding author ：PENG Jun-sheng，E-mail：Pengjunsheng@tom.com
Abstract    Perianal fistula is one of common symptoms of Crohn’s disease (CD). Perianal fistula is the only first manifestation in 5%-10% of CD patients. Most of them are complex anal fistula. CD complicated with perianal fistula, especially complex anal fistula, will lead to difficult management and poor quality of life. For patients with complex anal fistula, a feasible individualized treatment plan should be drawn up considering the patient’s condition and drug effects based on the discussion of experts from multiple disciplinary team (MDT).