Fig. 4From: Laparoscopic surgical treatment for hydrocele of canal of Nuck: A case report and literature reviewHCN classifications. a Type A: HCN is located subcutaneously over the inguinal canal. b Type B: HCN is located in the inguinal canal. cType C: HCN is limited to the internal inguinal ring. d Type D: HCN spreads from the internal inguinal ring to the inguinal canal or subcutaneouslyBack to article page