Basal cell carcinoma on the scalp -The distinguishing features compared with that on the face- = Basal cell carcinoma on the scalp -The distinguishing features compared with that on the face-

다국어 초록 (Multilingual Abstract)

Background: Basal cell carcinoma(BCC) usually develops on sun-exposed skin. Scalp is exposed to the outside but tends to be classified as non-exposed area because the hair blocks the sunlight. Scalp is the most commonly affected site except face, but clinical studies for BCC on the scalpare not well elucidated. Objectives: To investigate the incidence and features of the patients with BCC on the scalp Methods: Forty two patients with BCC on the scalp for 16 years in Pusan National University Hospital were included in this study. We reviewed the clinical records of these patients. Results: Among a total of 933 patients with BCC in our hospital for 16 years, 42 patients (4.5%) had BCC on the scalp. Female(76%) was more predominant and mean age at diagnosis was 62.5 years. The most common clinical subtype was nodular type(47.6%) but incidence of superficial type(28.6%) was remarkable compared with that on the face. The rate of patients with multiple lesions(28.6%) and chronic arsenic poisoning(16.7%) was relatively high. In histologic subtypes, The superficial type(40.5%) was the most common. Conclusion: Based on our study, BCC on the scalp tended to have features of the BCC occurred on non-exposedarea and especially showed the remarkable rate of multiple lesions and superficial subtype.