Basal cell carcinoma: what new can be learned about the most common human cancer? A cross-sectional prospective study of 180 cases in a single centre

Introduction
Basal cell carcinoma (BCC) is the most common cancer in humans, but the reporting of patients with BCC is still not complete. There are a limited number of analyses in the literature on BCC epidemiology.
Aim: To study the epidemiological as well as clinical aspects of BCC by analysing a single centre’s experience in the Lower Silesia region of Poland.

Material and methods
We investigated 180 patients with BCC treated in the Unit of Dermatosurgery, Department of Dermatology, Venereology, and Allergology of Wroclaw Medical University between September 2017 and December 2019.

Results
The mean age of patients with BCC was 70.5 ±11.9 years. The most frequently diagnosed type of BCC was nodular type, at 72% of all patients. BCC occurred most commonly on the face and neck area, at 132 (73.3%), without a statistical difference between males and females. The vast majority of cancers were located on the nose. There was a personal history of skin cancer in 29% of our patients. In 127 (70.6%) subjects, the diameter of the BCC on the day of excision was less than 2 cm.

Conclusions
The clinical characteristics of our cohort of BCC patients has some similarities with that reported from central Poland and other European countries. However, we found an increase in the incidence of BCC among females.