Revision 4 for 'Whitmore-Jewett staging system'

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Whitmore-Jewett staging system

Whitmore-Jewett staging system (also known as the Jewett staging system or ABCD system) is a superseded staging system for prostate cancer. It was developed by the American Urological Association (AUA).

  • A: subclinical tumor: found incidentally
    • A1: tissue resembles normal cells; found in a few chips from one lobe
    • A2: more extensive involvement
  • B: the tumor can be felt on physical examination but has not spread outside the prostatic capsule
    • BIN: the tumor can be felt, it does not occupy a whole lobe, and is surrounded by normal tissue
    • B1: the tumor can be felt and it does not occupy a whole lobe
    • B2: the tumor can be felt and it occupies a whole lobe or both lobes
  • C: extracapsular extension
    • C1: unilateral, not seminal vesicles
    • C2: involves seminal vesicles
  • D: metastasis
    • D1: regional adenopathy
    • D2: distant metastases

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