Koebner phenomenon = lesions appear at sites of trauma.

P L A S T i C

• Psoriasis
• Lichen planus; lichen sclerosus
• Alopecia areata
• Systemic lupus erythematosus; vitiligo
• Tinea infections (dermatophytes)
• i (italic i) → Infections (viral warts, molluscum)
• Cutaneous sarcoidosis