Document Detail


Melanonychia induced by topical treatment of periungual warts with 5-fluorouracil.
MedLine Citation:
PMID:  23552007     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Periungal and subungual warts are benign epidermal neoplasms caused by human papillomaviruses. They represent a challenge for management because of resistance to treatment. 5-flourouracil is an antimetabolite that interferes with DNA synthesis and inhibits RNA formation. We present a 32-year-old female with subungual and periungual warts of the fingers of both hands and first right toe. She was treated with 5-fluorouracil twice daily under occlusion plus 20 percent urea. After a month she presented with grayish transverse melanonychia along and parallel to the lunula with some maceration of the periungal folds. Nail pigmentation may be a consequence of dermal deposition by systemic drugs and less frequently by topical drugs. In this case melanonychia was induced by the topical application of 5-fluorouracil. The brown-grayish pigmentation, with parallel involvement of the lunula of all the nails treated, presented like that induced by systemically administered cytotoxic drugs.
Authors:
Mariana Catalina De Anda; Judith Guadalupe Domínguez
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Publication Detail:
Type:  Journal Article     Date:  2013-03-15
Journal Detail:
Title:  Dermatology online journal     Volume:  19     ISSN:  1087-2108     ISO Abbreviation:  Dermatol. Online J.     Publication Date:  2013  
Date Detail:
Created Date:  2013-04-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9610776     Medline TA:  Dermatol Online J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  10     Citation Subset:  IM    
Affiliation:
Department of Dermatology, Hospital "Dr. Manuel Gea González," Mexico City, Mexico.
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