17th August 2023

A 50-year-old man with a history of chronic leg ulcers presents with increased redness, warmth, and swelling around an ulcer on his right leg

A 50-year-old man with a history of chronic leg ulcers presents with increased redness, warmth, and swelling around an ulcer on his right leg. He also reports feeling generally unwell with a loss of appetite. He denies any respiratory symptoms. Upon examination, his temperature is 38.2°C.

What is the most likely diagnosis?