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February 1968

Green Striped Nails: Chromonychia Due to Pseudomonas aeruginosa

Author Affiliations


From the Department of Dermatology, University of Pennsylvania School of Medicine, Philadelphia.

Arch Dermatol. 1968;97(2):149-153. doi:10.1001/archderm.1968.01610080053009

This is the first reported case of horizontal green stripes of the fingernails produced by paronychial infection with Pseudomonas aeruginosa. The periodicity of the linear coloration corresponded to clinical episodes of infection. Growth of the causative organism from the green portion of the nail plate was accomplished on suitable bacteriologic media.

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