Anal cancer | Pain around anus; weight loss in advanced cases | Ulcerating lesion of anus |
Anal condylomata | Anal mass without bleeding; history of anal intercourse | Cauliflower-like lesions |
Anal fissure | Tearing pain and bleeding with bowel movement | Painful rectal examination with fissure |
Colorectal cancer | Blood in stool, weight loss, abdominal pain, change in bowel habit, family history | Abdominal mass or tenderness |
Inflammatory bowel disease | Constitutional symptoms, abdominal pain, diarrhea, family history | Normal external rectal examination; rarely, fistula; colitis on anoscopy |
Perianal abscess | Gradual onset of pain | Tender mass covered with skin as opposed to rectal mucosa |
Skin tags | No bleeding; history of resolved | Tags visualized around anus covered |
hemorrhoids | with normal skin, not mucosa |