Fully updated and revised, Differential Diagnosis in Dermatology, Fourth Edition has been greatly expanded with new chapters on specific areas such as mouth, tongue, lip and ear problems, acute erythematous rashes of the trunk and limbs, chronic erythematous rashes and lesions, and non-erythematous lesions. It also now includes an invaluable classification of topical steroids by potency. With well over 750 illustrations, this full-colour book combines excellent clinical photography with practical text and clear diagrams throughout.