Features:
- Prostate palpation:
- 1) Normal prostate: chestnuts size, can touch sulcus of prostate;
- 2) BPH: I degree of hyperplasia, egg size, shallow of sulcus of prostate;
- 3) BPH: II degree of prostatic hyperplasia, duck egg size, absent of sulcus of prostate;
- 4) BPH: III degree of prostatic hyperplasia, severe prostatic enlargement, regular surface and hard texture, goose’ egg size, cannot touch the bottom of the prostate;
- Rectum palpation:
- 1) Normal rectum
- 2) Rectum polyps: Most is solitary, with peduncular polyp;
- 3) Early rectum cancer: Palpable of tumor nodules on rectal wall surface, hard texture;
- 4) Advanced rectum cancer: Little big tumor nodules are palpable on rectal wall surface, with uneven surface hard texture, the late development stage of rectum cancer.





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