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Dermatological diseases and treatments


Basal-cell carcinoma (skin cancer)

Basal-cell carcinoma is a type of skin cancer that originates from the basal cells of the epidermis; it develops in areas where there are pilosebaceous follicles. It is the most common malignant tumour in humans. The main exogenous risk factor involved in the development of these tumours is ultraviolet radiation from the sun. However, other factors are also involved in the onset of basal-cell carcinoma, including genetic factors or exposure to ionizing radiation, among others. Patients usually come for consultation because “a new spot has appeared that doesn’t go away”. These are usually slow-growing tumours that appear as small, raised, and shiny lesions. They may sometimes contain pigment. They also often present as “wounds that don’t heal”, with crusting and a tendency to bleed. Several treatments are used for basal-cell carcinoma: surgical removal, curettage, electrocoagulation, cryotherapy, CO2 laser, and treatment with imiquimod, among others. At the Dr. Javier Bassas Dermatology Centre we choose the best treatment, based on the histological tumour subtype, the evolution time and location of the lesion, previous treatment carried out and the characteristics of each patient.