IN THIS communication, primary tuberculosis of the skin is considered synonymous with the primary complex of tuberculosis involving the skin. The primary complex consists of the combination of cutaneous reaction at the site of inoculation with tubercle bacilli in a tuberculous-free individual plus the involvement of regional lymph nodes.1Ghon stated that wherever the primary infection occurred and the same anatomical changes took place, the same laws and principles followed as those associated with the pulmonary complex.1 The purpose of our communication is to report three cases of primary cutaneous complex seen within a four-year period of private practice. The results of chemotherapy are worthy of note. Report of Cases Case 1.— A 5-year-old white boy, in good health, sustained a superficial laceration of his left thigh in November 1960. The wound was treated with penicillin ointment and healed rapidly. Three weeks later, a pink bump was noted