This study was performed with 31 cases of cutaneous tuberculosis among 18,846 cases of out-patients in Dermatologic Department of Busan National University Hospital from 1967 to 1976.
These 31 cases were consistent with skin tuberculosis in histological and clinical findings.
The results were as follows.
1. The incidence of skin tuberculosis is 0.16,b, among 18,846 cases of out-patients.
2. The localized tuberculosis of the skin, i.e. lupes vulgaris, tuberculosis verrucosa cutis and scrof uloderma was more common than disseminated type of tuberculosis of the skin. Among the disseminated types, papulonecrotic tuberculid is rather common than other types.
3. The ratio between male and female was 1.2:1.
4. The age of onset varied according to types, but 70 of all cases occurred in the age group between 10-30 years.
5. Lung tuberculosis was associated in about 20.., of skin tuberculosis.
6. Tubercle and tuberculoid structure were noticed in all biopsy specimens and in 55 % the caseation necrosis was noticed.
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