Cutaneous Crohn’s Disease

• Skin changes related to Crohn’s disease
• Genital: labial or scrotal erythema with swelling
• Nongenital: erythematous indurated plaque or ulcerations with drainage (typically perianal)
• Oral: cobblestoning (buccal mucosa), small aphthae-like ulcers or linear ulcers, pyostomatitis vegetans, cheilitis glandularis, indurated fissuring of lower lip
• Histology: non-caseating granulomas (sarcoidal or diffuse)
• Treatment: topical or IL corticosteroid