The patient reported on herein presented with a greenish black great toenail. The discoloration was due to Pseudomonas aeruginosa. This report should alert the practitioner to the fact that Pseudomonas chromonychia may occasionally be mistaken for color changes produced by subungual hematomas, nevi, or malignant melanomas.
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Indian J Dermatol
January 2020
Department of Dermatology, Infectious Diseases, and Pathology, Rutgers New Jersey Medical School, Newark, New Jersey.
Nail coloration has many causes and may reflect systemic disease. White nails (leukonychia) are common; rubronychia is rare, whereas green (chloronychia) is occasionally evident. Chloronychia, the Fox-Goldman syndrome, is caused by infection of an often damaged nail plate by .
View Article and Find Full Text PDFActa Derm Venereol
January 2018
Department of Dermatology, Chonnam National University Medical School, 160 Baekseo-ro, Dong-gu, Gwangju, 61469, Korea.
Abnormal colouring of the nails may be a sign of underlying systemic or local disorders. This study investigated the prevalence and causes of chromonychia as a whole, as well as of each subtype. Among 163 patients with chromonychia, trauma was the pathogenesis in up to 20.
View Article and Find Full Text PDFAnn Dermatol
August 2014
Department of Dermatology, Soonchunhyang University Bucheon Hospital, Bucheon, Korea.
Green nail syndrome (chromonychia) is a nail disorder characterized by onycholysis and green-black discoloration of the nail bed. This condition is often associated with chronic paronychia. Pseudomonas aeruginosa is the most commonly identified organism in cultures from the affected area.
View Article and Find Full Text PDFThe patient reported on herein presented with a greenish black great toenail. The discoloration was due to Pseudomonas aeruginosa. This report should alert the practitioner to the fact that Pseudomonas chromonychia may occasionally be mistaken for color changes produced by subungual hematomas, nevi, or malignant melanomas.
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