title: [A man with thumb nail abnormalities].
abstract: A 56-year-old, otherwise healthy patient was seen in the Dermatology department with longstanding central splitting of the nail plate of his right thumb. Because his left thumb nail also started to become affected he sought help.
  
  
  METHODS
  median canaliform nail dystrophy.
authors.affiliation: DermaPark, Uden.
authors.forename: Kees-Peter
authors.initials: KP
authors.lastname: de Roos
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D009260:Nail Diseases / Q000175:diagnosis* / Q000473:pathology; D009264:Nails, Malformed / Q000175:diagnosis* / Q000473:pathology