Onychodystrophy (nail dystrophy) refers to nail changes apart from changes of the color (nail dyschromia) and involves partial or complete disruption of the various keratinous layers of the nail plate.
Nail psoriasis
Nailfold capillary tortuosity
Neoplasm of the nail +
Onychogryposis +
Pyramidal skinfold extending from the base to the top of the nails