Progressive Dystrophy of the Fingernails and Toenails
Abstract
A 35-year-old man presented to the dermatology department with gradually progressive dystrophy of the fingernails and toenails of 20 years' duration.The patient reported no history of other dermatologic conditions.Physical examination revealed longitudinal ridging of all 20 nails and discoloration of the nail plates, as well as a few nails showing pterygium and anonychia; the skin and mucosal surfaces were otherwise normal, and nail plate thinning was not observed.A potassium hydroxide mount was negative.A biopsy of the nail matrix on the left thumbnail was performed. WHAT'S YOUR DIAGNOSIS?a. idiopathic trachyonychia b. nail lichen planus c. nail psoriasis d. onychomycosis e.
Fields of Study & Subjects
Nail Diseases and Treatments
Skin and Cellular Biology Research
Congenital limb and hand anomalies
Publication details
- Journal / source
- Cutis
- Volume
- 1
- Issue
- 117
- Pages
- 21–26
- Publication date
- 1 January 2026
- Language
- EN