6th August 2020

A 40-year-old man presents to his GP. 4 months ago he had a minor injury to his right shin

A 40-year-old man presents to his GP. 4 months ago he had a minor injury to his right shin. Over that time, he noticed it become a red lump, before turning into the painful, purple ulcer that has been rapidly worsening. His observations are all normal. He has a past medical history of type 1 diabetes and Ulcerative colitis disease. What is the most likely diagnosis?

Select the SINGLE most appropriate diagnosis from the list below. Select ONE option only.