This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial infections, Subject name: Dental
Tuberculides are seen in - 
Select and explain. 
A. Lupus vulgaris, B. Scrofuloderma, C. Lichen scrofulosorum, D. Erythema nodosum
C: Lichen scrofulosorum
Answer: C: Lichen scrofulosorum 
Explanation: Tuberculoses are a group of eruptions usually symmetrically distributed as a result of internal focus of tuberculosis. Is is due to reactionary pattern to the hematogenous spread of bacilli in persons with high degree of immunity types of tuberculides: lichen scrofulosorum papulonecrotic tuberculides erythema nodosum erythema induratum diagnosis: clinical tuberculin reaction -positive histology: tuberculoid granulomas with multinucleated gaint cells Demonstration of acid fast bacilli in lesion culture - confirmatory treatment:att iadvl textbook of dermatology,page248