Lupus vulgaris often develops due to inadequately treated pre-existing tuberculosis. It may also develop at site of BCG vaccination.  It begins as painless reddish-brown nodules which slowly enlarge to form irregularly shaped red.
"What is meant by the term Lupus vulgaris?"
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: "What is meant by the term Lupus vulgaris?" [/INST] \n Lupus vulgaris often develops due to inadequately treated pre-existing tuberculosis. It may also develop at site of BCG vaccination.  It begins as painless reddish-brown nodules which slowly enlarge to form irregularly shaped red.</s>