title: Dystrophia unguium mediana canaliformis.
abstract: An attempt is made to give a sort of classification of the median nail dystrophies. 6 own cases are reported. As there are many morphological transitional forms, it is for the present recommended to call all those forms dystrophia unguium mediana canaliformis.
mesh_terms: D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009264:Nails, Malformed / Q000145:classification; D012871:Skin Diseases / Q000145:classification; D009626:Terminology as Topic