抄録
The number of lepers affected by the perforating ulcer amount to 217 cases (21.57%) in 1006 lepers, as to the type: 0 (0%) in 60 macula types, 75 (27.57%) in 272 nervous types and 142 (21.07%) in 674 nodular types.
The perforating ulcer occurs mostly in moderate stage and serious stage of leprosy.
The lesions of predilection of the perforating ulcer are toe, foot-sole, hand, ankle, instep and leg.
The disease is more frequent in males than females, and more frequent in right side than in left.
