Oren Gottfried, MD on Twitter: "Cutaneous horn's a slowly progressive keratinized skin lump in antler-like shape. Risk factors include radiation, irritation, and HPV. Causes include actinic keratosis (most common), squamous cell CA,
Stomach-churning pics reveal agony of people blighted by 'cutaneous horns' – and how something as innocuous as a tiny cut can trigger it – The Sun | The Sun
Cutaneous Horn: Pictures, Removal, Causes, and More
Facial cutaneous horn in three different conditions: A highlight of a malignancy risk - ScienceDirect