Onychopapilloma presenting as longitudinal leukonychia

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Presentation transcript:

Onychopapilloma presenting as longitudinal leukonychia Vincent Criscione, Gladys Telang, MD, Nathaniel J. Jellinek, MD Journal of the American Academy of Dermatology Volume 63, Issue 3, Pages 541-542 (September 2010) DOI: 10.1016/j.jaad.2009.06.024 Copyright © 2009 American Academy of Dermatology, Inc. Terms and Conditions

Fig 1 Fingernail with a 1-mm wide band of longitudinal leukonychia and distal V-shaped splitting, onycholysis, and a keratotic papule at the free edge of the nail. Dermatoscopy highlights these findings (inset). Journal of the American Academy of Dermatology 2010 63, 541-542DOI: (10.1016/j.jaad.2009.06.024) Copyright © 2009 American Academy of Dermatology, Inc. Terms and Conditions

Fig 2 A, Acanthosis of the nail bed epithelium with elongated rete ridges. B, Thickened fibrovascular stroma with incidental subungual inclusion cyst. C, Nail bed with large eosinophilic keratinocytes indicative of matrix metaplasia. D, Hyperkeratosis at the hyponychium. (A-D, Hematoxylin–eosin stain; original magnifications: A, ×4; B, ×4; C, ×40; D, ×4.). Journal of the American Academy of Dermatology 2010 63, 541-542DOI: (10.1016/j.jaad.2009.06.024) Copyright © 2009 American Academy of Dermatology, Inc. Terms and Conditions