Gastroenterology Abdomen Other

Erythema Nodosum

Characterized by red, painful nodules (histologically it is a panniculitis) most often seen on the lower extremities (shins, calves, thighs, ankles) and it generally flares when the inflammatory bowel disease flares. Erythema nodosum is also seen in TB, sarcoidosis, some strep infections, and as an allergic response to certain medications.
Gastroenterology

Patient 2

This is a previously healthy young man with Löfgren’s syndrome. Note the inflammation around the ankles, which is highly characteristic of Löfgren’s syndrome.