Perianal dermatosis can encompass lesions from benign eczematous processes to advanced malignancies. It is important for the colorectal surgeon to be able to distinguish common problems from more serious pathology. This article covers nonsexually transmitted diseases occurring in the intergluteal fold and perianal region. These include inflammatory dermatoses, bacterial and fungal infections, and other disease processes. Perianal dermatoses can encompass anything from benign eczematous processes to advanced malignancies, and the breadth of the differential often leads to a difficult diagnostic challenge. The symptoms of the dermatoses can very often go unnoticed or can be the presenting complaint of a patient. Learning to identify common perianal dermatoses and being able to distinguish them from more serious pathology is integral for any colorectal surgeon.
Itching of the skin, also called pruritus, is a common problem experienced by many people. The itching may or may not come along with a rash, which can be limited to small areas of skin or can occur over the entire body. When a rash does occur, it can be a clue as to the cause of the itching. There are many causes of pruritus ani, the majority of which can be linked to a certain medical problem, such as hemorrhoids or anal fissures. Other common causes include irritation from fecal material, infections, contact dermatitis, reactions to food and clothing, medication side effects, colorectal and anal cancer, dermatologic conditions, as well as other medical and psychological conditions.
Anal Dermatitis Pruritis ani is a very common complaint. The most common symptom is that of anal itching, burning, or irritation. One of the more common causative factors is the excessive use of soap. The body produces fatty acids and waxes in the anal area, making a natural protective barrier.