Most neoplasms of the seminal vesicles are secondary invasion from prostatic cancer, urinary bladder cancer, rectal cancer, or pelvic seedings from other intraabdominal malignancies.

• 绝大多数储精囊之肿瘤系次发于摄护腺癌、膀胱癌、直肠癌之侵犯，或源于体内其他恶性肿瘤之骨盆腔转移。