A 51-year-old librarian with a history of type 2 diabetes mellitus comes to the office complaining of asymptomatic, slowly enlarging, brownish plaques on the anterior surfaces of both lower legs. These lesions had appeared during the past three years gradually, and she applied different creams over the lesions but all had proven ineffective in treating these lesions. Temperature is 37.5, BMI 32 kg/m², and her blood pressure is 138/85 mmHg. Her physical examination reveals reddish-brown plaques with sunken shining centres, along with dilated deep subcutaneous veins visible through her atrophic skin. On the affected skin, small ulcerations were just starting to form. There were no signs of cellulitis nor evidence of peripheral neuropathy and peripheral pulses were normal. Given her medical history and the physical appearance of the lesions,