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Summary Basal cell carcinoma is the most common tumor in Central Europe, the U.S. and Australia. The increasing incidence of basal cell carcinoma presents the health care system, especially dermatology, with great challenges. In recent years new options for treating basal cell carcinoma have become available, enriching our therapeutic options. We review the current status of each of these treatment approaches.

Focal epithelial hyperplasia (FEH) or Heck disease is a rare skin disease caused by human papilloma viruses (HPV). The case of a 9-year old boy is presented to demonstrate the successful treatment of massive FEH with 5% imiquimod cream. Initially, the patient had noticed several separate papules, which spread and developed into multiple peri- and intraoral papillomatous nodules. The lesions were treated with carbon dioxide laser destruction. However, multiple, skin-coloured papillomatous nodules were found on the tongue, buccal mucosa and lips 1.5 years later. Treatment with imiquimod was initiated, because the patient suffered tremendously from the disease. 5 % imiquimod cream was applied 3 times per week. Regression of lesions was obvious after 1 month of treatment. Complete clearance was achieved after 2 additional months of treatment and no recurrence was detected over a follow-up period of 5 months. Our case points out the clinical value of imiquimod for the non-traumatic and almost painless therapy of HPV-induced skin diseases in children.