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Pterygium unguis
Pterygium unguis
Other names	Dorsal pterygium
Specialty	Dermatology
Causes	Lichen planus

Pterygium unguis (or 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]

References

^ Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0-07-138076-0.
^ James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0.

External links

[Fitz2-1] Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0-07-138076-0.

[Andrews-2] James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0.

[1]

[2]

Classification	D ICD-11: EE10.Y ICD-10: L60.8 SNOMED CT: 1156662004
External resources	Scholia: Q7256990

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See also

References

Further reading

External links