Background: Cutaneous squamous cell carcinoma (CSCC) is a common locally invasive skin cancer which rarely metastasises. First-line treatment is surgical excision, which is curative in most cases. Viscum album extract (VAE) is a widely used herbal cancer treatment with cytotoxic, apoptogenic and immunological effects, but has not been investigated in CSCC.
Case presentation: A 78-year-old patient with histologically diagnosed CSCC refused surgical excision and was treated with peri-lesional high-dose VAE. After 10 months of treatment the CSCC had disappeared clinically. The patient has been recurrence-free for 4 years.
Conclusion: The presented case shows clinical response of a CSCC to high-dose peri-lesional VAE injections. Further research on VAE in CSCC is warranted.
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