[Ulcus terebrans. Therapy options and their limits].

Basal cell carcinoma (BCC) is the most common tumor in humans and is defined as a slow-growing, locally invasive, epithelial skin tumor which rarely metastasizes. The first line treatment is surgical excision with histologic examination of the tumor margins, but numerous alternative therapies are available. A 75-year old patient with the most destructive form of BCC, ulcus terebrans, involving the scalp and invading the frontal bone. We discuss the problems and therapeutic limitations for this unusual BCC variant.