How to determine anal fistula

Anal fistula formation process is mainly started from anal sinusitis into perianal abscess, perianal abscess and finally developed into anal fistula, generally after the formation of perianal abscess if the abscess burst, or incision discharge pus, forming an incision.

This incision healing is not good, repeated burst, this time generally formed anal fistula, that is, perianal abscess is a stage in the process of forming anal fistula.

If you want to use auxiliary examination to distinguish words, you can do a color ultrasound to see this perianal abscess, it has a sinus and rectum communication, if there is, then basically will form anal fistula, if not, that is not perianal abscess, that is perianal inflammatory mass.