Ann Dermatol.  1989 Jul;1(2):107-110. 10.5021/ad.1989.1.2.107.

Subungual Exostosis


Subungual exostosis are not uncommon, however, they are infrequently mentioned in the dermatologic literature. We report herein a rase of subungual exostosis in the great toe of 16-year-old female student which was confirmed by histopathologic and radiologic findings. Histopathologic examination showed that the mass was ooeered by a dense fibrous tissue which merged into a fibrocartilage cap and bone. Computed tomography showed a well defined, oval shaped, radiopacity of bony density capped by a radiolucency.


Fibrocartilage cap; Subungual exostosis
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