Korean J Dermatol.  2010 Mar;48(3):237-239.

A Case of Green Nail Syndrome in a Dress Designer with a Chronic Use of Thimble

  • 1Department of Dermatology and Cutaneous Biology Research Institute, Brain Korea 21 project for Medical Science, Seoul, Korea. mglee@yuhs.ac
  • 2Department of Dermatology, Kangbuk Samsung Hospital, Sunkyunkwan University School of Medicine, Seoul, Korea.


Green nail syndrome is a chronic nail infection by Pseudomonas aeurginosa. Infected lesions can involve both finger and toe nails and cause greenish discoloration and onycholysis. Environmental factors such as frequent hydration and external trauma are predisposing factors. A 37-year-old patient was diagnosed with green nail syndrome on the right thumb. She used a thimble for a long time as a dress designer. Herein, we describe an uncommon case of green nail syndrome by chronic thimble use as a rare and an educational report.


Green nail syndrome; Pseudomonas aeruginosa; Serratia marcescens; Thimble
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