The<unk>  groups, described and debated for nearly a century, has spawned a confusing nomenclature. There are some authors who prefer to limit the term<unk> " to large- and small-plaque variants only. However, the following classification scheme is now generally accepted: * Large-plaque<unk>  * Small-plaque<unk>  * Pityriasis lichenoides * Pityriasis lichenoides chronica * Pityriasis lichenoides et varioliformis acuta * Lymphomatoid papulosis
Parapsoriasis
Lupus vulgaris
Psoriasis
Retiform parapsoriasis
Alopecia mucinosa
Sycosis vulgaris
Vitiligo
Pustular psoriasis