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This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they exist. The article ends with the author's clinical recommendations.
A 68-year-old man reports changes in his left big toenail. It has been discolored distally for the past 2 years. It has become thickened and difficult to cut and is painful when the man is walking in certain shoes. He is otherwise well. On physical examination, the nail appears thickened, has crumbling yellow material beneath, and is more discolored distally than proximally.
The Clinical Problem
Strategies and Evidence
Treatment
Topical Therapy
Systemic Therapy
Combined Topical and Systemic Therapy
Débridement
Areas of Uncertainty
Guidelines
Conclusions and Recommendations
Source Information
From the Bristol Dermatology Centre, Bristol Royal Infirmary, University Hospitals Bristol, Bristol, United Kingdom.
An audio version of this article is available at NEJM.org.
Address reprint requests to Dr. de Berker at the Bristol Dermatology Centre, Bristol Royal Infirmary, University Hospitals Bristol, Bristol BS2 8HW, United Kingdom, or at david.deberker@uhbristol.nhs.uk.
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