Squamous Cell Carcinoma in a Heel Ulcer in a Patient With Diabetes

A73-year-old Caucasian man with type 2 diabetes was referred with a 7-month history of an ulcer on his left heel. His left heel had ulcerated on two previous occasions as a result of fissures and using his heel to prop himself up in bed. He had a prior right above-knee amputation due to trauma. He was known to have peripheral neuropathy but had good pedal pulses. The ulcer was superficial and initially showed signs of healing, but it subsequently became very painful and began to discharge pus. An …