An Unusual Case of Contact Dermatitis.

Skin Appendage Disord

Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.

Published: August 2017

AI Article Synopsis

  • The case involves a patient who developed acute psoriasiform contact dermatitis on their forehead and scalp after using a low-laser light cap.
  • The patient tested positive for allergies to several substances including dimethylol dihydroxyethyleneurea (DMDE) and methylisothiazolinone.
  • It is suggested that the DMDE present in the fabric of the cap triggered the allergic reaction, which improved once the patient stopped using the cap.

Article Abstract

We report a case of acute psoriasiform contact dermatitis of the forehead and scalp related to the use of a low-laser light cap. The patient had a positive patch test to dimethylol dihydroxyethyleneurea (DMDE), methylisothiazolinone, kathon CG, and cobalt. We believe that DMDE in the fabric of the cap was responsible for the allergic contact dermatitis in this case as the lesions resolved with cessation of cap use.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5582474PMC
http://dx.doi.org/10.1159/000466703DOI Listing

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