Author | Francis Christian, MD


Hyperbilirubinemia and Diffuse Skin Lesions in a Woman with Diabetes, CVD

June 21, 2017

Can you identify the cause of the hyperpigmented umbilicated lesions seen bilaterally on the patient's extremities and on her back?

Ulcer with an Undermined Edge

November 17, 2015

The rapidly expanding lesion began as a small boil in the center of the ulcerated area 4 weeks ago. What underlying process do you suspect?

Pyoderma Gangrenosum: An Uncommon Cause of Cutaneous Ulceration

November 11, 2015

The lesions may mimic infectious, vascular, inflammatory and other ulcers; they do not respond to antibiotics and debridement often exacerbates the ulcer.