Skin Disorders Guide

Diagnostic Hallmarks

Distribution - trunk, buttocks, and thighs
Stability of plaque shape and size

Parapsoriasis is not, of itself, a very important disease. It is uncommonly encountered, is not contagious, and probably is not be cured, Its importance lies in its relationship to the cutaneous T-cell lymphoma (CTCL) mycosis fungoides. These two diseases exist on a spectrum [...]

Diagnostic Hallmarks

Distribution: trunk, but palm and sole involvement IS characteristic when present
Target lesions
Papules and plaques are similar but less transient than those in urticaria

Clinical Presentation
Erythema multiforme is characterized by the presence of flat-topped, sharply marginated papules 1 to 2 cm in diameter. The color is generally duskier than the hright red of urticarial lesions. Typically, [...]

Tinea Capitis
Most cases of tinea capltls occur in children, but adult infections, especially with Trichophyton tonsurans, are occasionally seen. One or more sharply marginated, localized patches of complete alopecia are characteristically present in tinea capitis. This hair loss is characterized by the fact that the hairs are broken off at, or close to, the surface [...]