Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Case Reports
. 2023 Jan-Feb;98(1):96-99.
doi: 10.1016/j.abd.2022.02.005. Epub 2022 Nov 7.

Parrot beak nails: a Latin American case series

Affiliations
Case Reports

Parrot beak nails: a Latin American case series

Arias-Rodriguez Camilo et al. An Bras Dermatol. 2023 Jan-Feb.
No abstract available

PubMed Disclaimer

Figures

Fig. 1
Fig. 1
Images of the 1st patient. (A) First fingernail of the left hand showing PBN deformity. (B) All the fingernails were involved, with associated contracture of all the fingers and atrophy of hand muscles. Second fingernail shows focal plate thickening and brown chromonychia, third fingernail shows onycholysis and yellow chromonychia, and longitudinal melanonychia of third and fourth fingernails is noticed.
Fig. 2
Fig. 2
Images of the 2nd patient. (A) PBN deformity of the fifth left fingernail. (B) Dermoscopy enhances the visualization of the characteristic nail plate over curvature.
Fig. 3
Fig. 3
Image of the 3rd patient. PBN deformity secondary to trauma of the second fingernail, with associated pulp atrophy.

References

    1. Chen S.X., Cohen P.R. Parrot beak nails revisited: case series and comprehensive review. Dermatol Ther (Heidelb). 2018;8:147–155. - PMC - PubMed
    1. Forouzan P., Cohen P.R. Parrot Beak nail: case report and review of parrot beak nail dystrophy. Cureus. 2021;13 - PMC - PubMed
    1. Marie I., Gremain V., Nassermadji K., Richard L., Joly P., Menard J.F., et al. Nail involvement in systemic sclerosis. J Am Acad Dermatol. 2017;76:1115–1123. - PubMed
    1. Tunc S.E., Ertam I., Pirildar T., Turk T., Ozturk M., Doganavsargil E. Nail changes in connective tissue diseases: do nail changes provide clues for the diagnosis? J Eur Acad Dermatol Venereol. 2007;21:497–503. - PubMed
    1. Chang P., Tello G.A., Cohen S.E.N., Anzueto E. Manifestaciones del aparato ungueal en las enfermedades del colágeno: reporte de 43 casos. Dermatol Cosmet Med y Quir. 2016;14:270–280.

Publication types

LinkOut - more resources