DiagnosisHistorical featuresPhysical examination findings
Anal cancerPain around anus; weight loss in advanced casesUlcerating lesion of anus
Anal condylomataAnal mass without bleeding; history of anal intercourseCauliflower-like lesions
Anal fissureTearing pain and bleeding with bowel movementPainful rectal examination with fissure
Colorectal cancerBlood in stool, weight loss, abdominal pain, change in bowel habit, family historyAbdominal mass or tenderness
Inflammatory bowel diseaseConstitutional symptoms, abdominal pain, diarrhea, family historyNormal external rectal examination; rarely, fistula; colitis on anoscopy
Perianal abscessGradual onset of painTender mass covered with skin as opposed to rectal mucosa
Skin tagsNo bleeding; history of resolvedTags visualized around anus covered
hemorrhoidswith normal skin, not mucosa