− | Infection and inflammation of the anal sac leading to an abscess or cellulitis. Anal sacculitis can have a variety of predisposing factors including obesity, diet, skin disease, colitis and perianal swelling. | + | Infection and Inflammation of the anal sac leading to an abscess or cellulitis. Anal sacculitis can have a variety of predisposing factors including obesity, diet, skin disease, colitis and perianal swelling. |