Prostatic cancer - types of invasion into seminal vesicles

Researches at the Baylor College of Medicine identified and defined three types of invasion of prostatic cancer into seminal vesicles.

Type Description
Type I direct spread of prostate cancer along the ejaculatory duct complex into the seminal vesicles
Type II invasion through the prostatic capsule into the seminal vesicles
  • Type IIA: direct spread of prostate cancer through the base of the prostate
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