Erythema Dyschromicum Perstans with Islands of Sparing: A Case Report

A 46-year-old female presented with a six-month history of gradually progressive asymptomatic dark coloured skin lesion over back of the neck. She did not reveal any history of topical application prior to onset of lesions, usage of hair cosmetics or chronic mechanical irritation at the site. The patient did not report any preceding redness, induration, history of trauma or any other previous skin lesions at that particular site. She denied history of similar lesions anywhere else in the body. There was no history of fever, abdominal pain, altered bowel habits or significant weight loss and antecedent drug intake. Past history and family history was insignificant. She was a paddy field worker and used to have chronic exposure to sunlight and pesticides. On general examination, the patient was conscious and oriented. Her vital signs showed a blood pressure of 120/80 mmHg, a pulse rate of 78/min, and she was afebrile.