Pterygium unguis (also known as "Dorsal pterygium"[1]:660) forms as a result of scarring between the proximal nailfold and matrix, with the classic example being lichen planus, though it has been reported to occur as a result of sarcoidosis and Hansen's disease.[2]:
| This Condition of the skin appendages article is a stub. You can help Wikipedia by expanding it. |
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)