Internal<unk> Originate above the dentate line
Painless
External<unk> Originate below the dentate line
Painful
Originate above the dentate line
Painless
Originate below the dentate line
Painful
Luminal protrusion above dentate line
No prolapse
Painless bleeding
Prolapse with spontaneous reduction
Prolapse during straining
Prolapse requires manual reduction
Prolapse during straining
Prolapse—nonreducible
Can result in edema and strangulation
Hemorrhoids
Anal fissure
Anal fistula
External hemorrhoid
Internal hemorrhoid
Rectal prolapse
Proctitis
Anorectal abscess