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Key words: Erythrasma
CASE
An old aged female presented to our clinic with a
long standing skin condition. On examination we found red colored patches and
scaly macules on the skin face. (Panel A and B). We projected an ultraviolet A
light on these areas and a mild red coral fluorescence was observed. (Panel C
and D). Erythrasma is a superficial skin infection considered to be caused by a
diphteroid member of the genus Corynebacterium
minutissimun (1).
The disease begins as small, scaly macules
varying in size with reddened border and a yellowish-brown to reddish-brown
center, usually localized in the axillas, groins, intergluteal folds and other
intertriginous areas (2). Involvements of the toe webs and a generalized form
have been described. Coral red fluorescence of the entire patch or of the
sectors can be demonstrated on examination with Wood´s light. (1). This disorder
is common amongst diabetic patients and in tropical areas, due to warm weather
(3) Differential diagnosis should be made with Inguinal candidiasis, with a
more brilliant surface involvement and exudative lesions with fissures along
with small satellite lesions. Seborrheic dermatitis is another skin disorder
which usually involves facial and scalp areas of the body (4). Management of
Erythrasma includes oral macrolides among other topical treatments. We treated
the patient with oral erythromycin (500 mg x 8 hours x 7 days) and partial
clearance of the lesions was observed but relapsed one month after treatment
cessation. We have lost contact with the patient after some time.
CONFLICTS OF INTEREST
The authors declare having no conflicts of
interests.
INFORMED CONSENT
We obtained a verbal consent from the
patient for Image taking for research and medical education purposes.
- Swartz
JH. Infections caused by Dermatophytes. N Eng J Med 1962; 267: 1359-60.
- Miller
SD, David-Bajar K. N Engl J Med 2004; 351:1666.
- Puig
L, Romani J. Basic course of dermatology. Infectious Dermatosis.
Barcelona.1997: 31-2. (In spanish).
- Umbert
P, Sanchez-Regaña M. Manual of practical dermatology. JR Prous editors.
Barcelona. 1995: 23. (In spanish).
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