Nails and systemic disease.
Important diagnostic clues may be provided by changes in the nails. Because nail findings are easily observable and yield valuable information, attention to these features is often rewarding. Some of the nail changes that may be observed in systemic disorders are reviewed.
D000367:Age Factors; D000368:Aged; D006801:Humans; D008875:Middle Aged; D009260:Nail Diseases / Q000175:diagnosis* / Q000209:etiology