Dr. G explains porokeratosis — a ring-like skin disorder that can masquerade as a callus or wart and cause pain, ulceration, and even malignant change on diabetic feet. The episode covers what porokeratosis looks like, why people with diabetes are at higher risk of complications, and when to biopsy.

Practical advice includes daily foot checks, avoid self‑debridement, early offloading and specialist referral, medical and procedural treatment options, and the importance of glycemic and vascular care to prevent recurrence and severe outcomes.