Clubbed nails is defined as an increased curvature of the nail plate which may be due to a wide variety of reasons. In this patient, the large, convex nails are a hereditary anomaly and were found to be present in both father and brother. Other causes of clubbing of the nails in children include cyanotic congenital heart disease, cystic fibrosis, and chronic inflammatory bowel disease.
Color Atlas of Pediatric Dermatology
Samuel Weinberg, Neil S. Prose, Leonard Kristal
Copyright 2008, 1998, 1990, 1975, by the McGraw-Hill Companies, Inc. All rights reserved.
Slideshow: Birthmarks: Port Wine Stains to Hemangiomas
Slideshow: Tips to Keep Baby’s Skin Healthy
Slideshow: Common Childhood Skin Problems: From Rashes to Ringworm
Slideshow: What Your Nails Say About Your Health