Category Archives: Papulosquamous Diseases

Diagnostic Hallmarks Distribution- face, neck and sun-exposed areas of the upper trunk and arms Sunlight sensitivity Clinical Presentation Lupus erythematosus (LE) is a disease that has a very broad spectrum of clinical symptoms and signs. The spectrum is continuous, but … Continue reading →

Pityriasis Rubra Pilans (PRP) is a disease that looks very much like psoriasis in presentation. In PRP, however, the scalp is diffusely involved, the palms and soles are markedly thickened, and small follicular papules are noted on the dorsal surface … Continue reading →

Psoriasis is usually associated with plaque formation. Some people (mostly children and young adults), however, explosively develop 50 to 100 small, nonconfluent papules over the trunk and proximal extremities. This phenomenon, known as guttate psoriasis, is particularly likely to be … Continue reading →

Diagnosis Hallmarks Distribution – trunk and extremities, special predilection for the wrists, penis, and mouth Violaceous color Shiny, flat-topped papules Koebner phenomenon Wickham’s striae Clinical Presentation The primary lesion of lichen planus is a violaceous, flat-topped papule 2 to 4 … Continue reading →

Groups 9 and 10 are characterized by the presence of red scaling lesions. The scaling, which differentiates these two groups from groups 7 and 8, may or may not be readily apparent. Three types of scale must be sought . … Continue reading →