| Cutaneous sarcoidosis | Reddish-brown to purple plaques that can scar, ulcerate, or become nodular |
| Erythema multiforme | Target-like lesions; usually occurs on the palms of the hands, soles of the feet, face, and genitalia |
| Granuloma annulare | Localized or generalized; pruritic, erythematous or flesh-colored, annular plaques |
| Subacute cutaneous lupus erythematosus | Erythematous, annular, scaly plaques; occurs on sun-exposed areas |
| Sweet's syndrome (acute febrile neutrophilic dermatosis) | Annular, red, tender papules and plaques; usually occurs on the face, neck, and upper Extremities |