A Chronic Multiple Site of Scrofuloderma: Is It Reactivation or Treatment Failure of Tuberculosis?

We report a case of 32-year-old patient who presented with painless erythematous plaque gradually ulcerated for 9 years. He had a history of pulmonary tuberculosis 12 years ago and was cured by the treatment of 2HRZE/4HR. The laboratory examination of t-spot and PPD skin test was positive.