2nd May 2024

A 68-year-old man presents with a 1.5 cm lesion on his lower lip that has been slowly growing over the past year.

A 68-year-old man presents with a 1.5 cm lesion on his lower lip that has been slowly growing over the past year. It is a rough, scaly, and slightly elevated plaque. He has a history of extensive sun exposure.

Investigation:

Biopsy: Squamous cell carcinoma in situ (Bowen’s disease)

Which is the most appropriate first-line treatment?