Clinical classification | n | Clinical features |
Perianal subcutaneous abscess | 5 | Palpation with lumps and mild pain |
Abscess of ischiorectal space | 12 (8 cases complicated with anal fistula) | Anal flatulence discomfort |
Abscess of posterior anal space | 6 | Redness and swelling of skin |
Abscess of anal sphincter space | 5 (3 cases complicated with anal fistula) | Pain and discomfort, partial late burst |
Submucosal abscess of rectum | 2 | Anal swelling pain, finger tenderness |
High intermuscular abscess | 2 | Hidden onset, tenderness of the mass |
Complex abscess | 3 (3 cases complicated with anal fistula) | Swollen, hot and painful, touching lumps |
Misdiagnosis (Posterior rectal teratoma) | 1 | Touching the block |