Skin Disorders Guide

All pigmented lesions (a type of skin disorder) should be periodically and systematically examined with the forgoing criteria in mind. Biopsy can be justified when even only one of these criteria is met, even though melanoma is not particularly likely to be present unless two or more of the criteria are present. When two criteria [...]

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 [...]

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 of the hands and fingers. The plaques of PRP are huge, and the entire trunk [...]

The use of a freezing temperature to cause cell death and tissue destruction (cryotherapy) has the same two advantages possessed by cauterants prior anesthesia by injection is not required, and bleeding does not occur.
Cryotherapy has two additional advantages.

First, it is possible to freeze deep enough to treat malignant lesions(skin disorder).
Second, the treated area remains sterile [...]