By Gary M. White, MD
Benign Moles in the perianal area. Courtesy of Paul Koonings, MD. Perianal nevi are relatively common and in one study were associated with prominent and atypical nevi elsewhere [JAMA Derm 2016;152;1209].
Plasma Cell Mucositis
- Is it psoriasis? Any psoriasis elsewhere?
- Tinea usually emanates onto buttocks in annular plaques.
- Candida usually has satellite pustules.
- If just red plaques, probably psoriasis.
- If stool is present, may just be irritant contact dermatitis. Then, keep stool off.
Perineal Streptococcal Disease
Red, Scaly Plaque
Extramammary Paget's Disease
Herpes Simplex. HIV positive?
Langerhans Cell Histiocytosis A persistent perianal ulcer may occur in adult Langerhans cell histiocytosis [ADDV 1989;116;875 (CP)] [AD 1993;129;1261(CP)].
Nicorandil: Chronic anal ulceration has been reported from nicorandil.
Homepage | FAQs | Contact Dr. White
It is not the intention of RegionalDerm.com to provide specific medical advice, diagnosis or treatment. RegionalDerm.com only intends to provide users with information regarding various medical conditions for educational purposes and will not provide specific medical advice. Information on RegionalDerm.com is not intended as a substitute for seeking medical treatment and you should always seek the advice of a qualified healthcare provider for diagnosis and for answers to your individual questions. Information contained on RegionalDerm.com should never cause you to disregard professional medical advice or delay seeking treatment. If you live in the United States and believe you are having a medical emergency call 911 immediately.