In this report, we demonstrate that tinea versicolor retains topical gentian violet. We did not observe this phenomenon in other hypopigmenting disorders, and thus this observation could be used as a simple bedside test. We call this phenomenon in vivo Gram staining.
Article InformationCorresponding Author: Dr Arbiser, Department of Dermatology, Emory University School of Medicine, WMB 5309, 1639 Pierce Dr, Atlanta, GA 30322 (firstname.lastname@example.org).
Published Online: May 15, 2013. doi: 10.1001/jamadermatol.2013.2699
Conflict of Interest Disclosures: None reported.
Funding/Support: Dr Arbiser was supported by Emory Skin Disease Research Core Center grants RO1 AR47901 and P30 AR42687 from the National Institutes of Health, as well as funds from the Rabinowitch-Davis Foundation for Melanoma Research and the Betty Minsk Foundation for Melanoma Research.