Dermatologic Conditions of the Foot

Abstract

Dermatologic disorders of the foot can be a major source of discomfort, pain, and disability. The adequate diagnostic differentiation of benign from pathologic disorders of the foot, and the treatment of each such disorder, can be challenging. To facilitate their diagnosis, diseases involving the foot can be classified into the three major categories of: (1) infectious disorders (tinea pedis, onychomycosis, acute paronychia, mycetoma, and chromoblastomycosis); (2) neoplasms, including benign growths (warts and corns, pyogenic granulomas, fibromas, mucous cysts, glomus tumors, and longitudinal melanonychia), and malignant tumors (melanoma, squamous-cell carcinoma, and Kaposi sarcoma); and (3) inflammatory diseases (bullosis diabeticorum, diabetic ulcers, pernio, rheumatoid papules, pigmented purpuras, palmoplantar keratodermas, palmoplantar pustulosis, and reactive arthritis). This article describes these entities, summarizes clues to their diagnosis, and provides strategies for their management.

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