Abstract
A 73-year-old Japanese female presented with keratotic blackish nodule observed on the lateral side of the right foot. She had a 20-year history of type 2 diabetes mellitus with triopathy. A cutaneous ulcer spread to the right 5th metatarsal bone could be found after mechanical removal of keratotic material. It surrounded verrucous surface with macerated horny material, and healed within three months by repeated shaving horny material and controlled diabetes mellitus. We diagnosed as verrucous skin lesions on the feet in diabetic neuropathy.
