Treated Site (N=13)a Response Rate, %b
Infragluteal/buttocks (n=3) 67
Perineum (n=4) 0
Axillae (n=4) 100
Groin (n=2) 50
Overall response (n=13) 54
aMost of the 5 patients had more than 1 site affected by hidradenitis suppurativa that was treated with radiation therapy. bResponse was defined as clinical findings of and/or subjective report by the patient of at least partial improvement approximately 2 months after completion of radiation therapy
Table 2: Initial Response by Treatment Site to Radiation Therapy in 5 Patients With Chronic Refractory Hidradenitis Suppurativa.