Association of hidradenitis suppurativa with Crohn’s disease

Figure 6 A 37-year-old man with Crohn's disease and hidradenitis suppurativa, Hurley stage III. A: Prior to treatment, the patient had multiple draining sinus tracts, abscesses, and pustules in the perianal and buttocks area; B: Seton drainage; C: One month after the operation (infliximab treatment was performed twice during the period), the fistula secretion was significantly reduced. Photo courtesy of Dr. Bo-Lin Yang.