लेखक: Richard J. G. Rycroft

In recent years the field of contact dermatitis has increased greatly in importance in dermatology. The variety of exogenous, environmental- ly caused dermatoses has undoubtedly expanded over the pas …

10. 1. 1. 1 The Purpose of Patch Testing Patch testing is a well-established method of diagnosing allergic contact dermatitis, a delayed type of hypersensitivity (type IV reaction). Patients with a h …