血凝块。有时，腿内部深处的静脉会扩张。这可能导致腿痛和腿部肿胀。若出现持续的腿痛或腿部肿胀，请就医。这可能意味着有血凝块。 A varicocele might result in bad development of a testicle, very low sperm output or other troubles that will result in infertility. Surgery to treat varicocele may very well be advisable to deal with these complications. Mayo Clinic's campuses in Arizona, Florida... https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-comprehensive-advice-for-optimal-results/