Association of hidradenitis suppurativa with Crohn’s disease

Figure 1 Common immune mediated origins of hidradenitis suppurativa and Crohn’s disease. DC: Dendritic cell; CD: Crohn’s disease; Th: T helper cell; IL: Interleukin; TNF: Tumor necrosis factor; TGF: Transforming growth factor; IFN: Interferon; HS: Hidradenitis suppurativa. Figure courtesy of Dr. Bo-Lin Yang.

Figure 2 A 40-year-old man with perianal Crohn’s disease and lumbar hidradenitis suppurativa, Hurley stage III. Photo courtesy of Dr. Bo-Lin Yang.

Figure 3 A 16-year-old female patient with Crohn’s disease and perineal hidradenitis suppurativa, Hurley stage III. Photo courtesy of Dr. Bo-Lin Yang.

Figure 4 Perianal hidradenitis suppurativa, Hurley stage III. Extensive incision, marsupialization of wound surface, and secondary healing. Photo courtesy of Dr. Bo-Lin Yang.

Figure 5 Clinical strategy for hidradenitis suppurativa combined with Crohn’s disease. CD: Crohn’s disease; TNF: Tumor necrosis factor; HS: Hidradenitis suppurativa. Figure courtesy of Dr. Bo-Lin Yang.

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.