Histopathology of the Nail

Eckart Haneke, MD Department of Dermatology, Inselspital, University of Bern, Switzerland Dermatology Practice Dermaticum, Freiburg, Germany Centro de Dermatología Epidermis, Instituto CUF, Porto, Portugal Kliniek voor Huidziekten, Universitair Ziekenhuis, Ghent, Belgium

Development, structure, and function of the nail. Technical aspects: biopsy, processing, sectioning, staining, and reading the slides; nail glossary. Inflammatory dermatoses affecting the nail. Infections and infestations affecting the nail. Nail changes in systemic diseases and drug reactions. Genodermatoses affecting the nail. Nail-specific conditions. Epithelial and fibroepithelial tumors. Fibrous tumors. Vascular tumors. Tumors with adipocyte, myxoid, muscular, osseous and cartilaginous features. Neurogenic tumors. Histiocytic lesions. Hematogenous tumors. Melanocytic lesions. Metastases of the digital tip.