A 78-year-old retired farmer shows you the lesion below, which he has noticed on his arm. What would be the most appropriate management of this lesion?
Keratin horns should be excised fully including the base to allow the histological exclusion of an underlying squamous cell carcinoma. Cryotherapy will not provide a tissue for histology and Curettage or shave biopsy may yield insufficient depth for diagnosis.
Cryotherapy
Watchful waiting
Excision biopsy
Shave biopsy
Tumours of skin