Leg ulcers form when skin on your leg breaks open. These breaks or sores let air and bacteria travel into your skin’s tissue. For most people, leg ulcers will heal on their own and won’t need medical ...

Pyoderma gangrenosum is a diagnosis of exclusion, and the misdiagnosis of pyoderma gangrenosum can result in substantial complications in patients who have other causes of severe cutaneous ulceration.

People who have an inflammatory bowel disease like ulcerative colitis often have problems caused by inflammation in other parts of their bodies. One of these is a skin condition called pyoderma ...

Dear Dr. Roach: I am a 74-year-old woman who is in good health. I was diagnosed with pyoderma gangrenosum on my left leg and I was in a lot of pain. Can you tell me the cause of this rare disease?