A 45-year-old woman had a 2 year history of slowly progressive minimally pruritic confluent plaques involving the perioral and centro facial areas. The eruption was preceded by oral mucosal plaques. On examination, multiple, confluent, fibrotic, scaly, hypopigmented plaques with central atrophy, peripheral hyperpigmentation and crusts were noted in involved areas. Skin biopsy demonstrated granulomatous inflammation which of the following would be true about this patient?