48,830
edits
Difference between revisions of "Prostate-specific antigen"
Jump to navigation
Jump to search
→A forumla for PSAD
| Line 17: | Line 17: | ||
====A forumla for PSAD==== | ====A forumla for PSAD==== | ||
Benson ''et al.'':<ref name=pmid1371554>{{cite journal |author=Benson MC, Whang IS, Pantuck A, ''et al.'' |title=Prostate specific antigen density: a means of distinguishing benign prostatic hypertrophy and prostate cancer |journal=J. Urol. |volume=147 |issue=3 Pt 2 |pages=815–6 |year=1992 |month=March |pmid=1371554 |doi= |url=}}</ref> | |||
:<math>PASD = \frac{serum PSA}{volume}</math> | :<math>PASD = \frac{serum PSA}{volume}</math> | ||
:<math>volume = \frac{1}{2} D1 | Where: | ||
:<math>volume = \frac{1}{2} D1 \times D2 \times D3</math>. | |||
:D1, D2, D3 are the major axes. | :D1, D2, D3 are the major axes. | ||
Note: | Note: | ||
*The volume of an ellipsoid is: | *The volume of an ellipsoid is: | ||
::<math>\frac{4}{3}\pi D1 | ::<math>\frac{4}{3}\pi D1 \times D1 \times D3</math>. | ||
==See also== | ==See also== | ||