Results 22 cases had undergone penis thickening by polyacrylamide hydrogel injection, there was no toxic reaction.Thin cyst wall was formed and surounded the gel about 2 moths postoperatively.

• 结果该水凝胶行阴茎加粗22例，未出现药物毒性反应，2个月后形成薄层纤维囊包裹水凝胶。