This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Skin
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? 
Select and explain. 
A. Cultures would grow Mycobacterium tuberculosis, B. Fungal culture would be positive, C. The patient is at risk of erythema nodosum leprosum, D. Visceral leishmaniasis should be ruled out
A: Cultures would grow Mycobacterium tuberculosis
Answer: A: Cultures would grow Mycobacterium tuberculosis 
Explanation: Ans. A. Cultures would grow Mycobacterium tuberculosis.This clinical picture is typical of Lupus vulgaris and Cultures would grow Mycobacterium tuberculosis.Lupus vulgaris are painful cutaneous tuberculosis skin lesions with nodular appearance, most often on the face around nose, eyelids, lips, cheeks and ears. The lesions may ultimately develop into disfiguring skin ulcers if left untreated.