Prostate Volume & PSA Density

Ellipsoid/bullet volume formulas; PSAD threshold 0.15 ng/mL2

Estimates prostate volume from three orthogonal dimensions using the ellipsoid (or bullet) formula and computes PSA density (serum PSA divided by gland volume), a risk marker used when interpreting PSA and MRI findings.

Also searched as: ellipsoid · genitourinary · psad

Information

Incomplete input

Missing: width, length and height (cm)

References

Radiopaedia: Prostate volume / PSA density
Nordstrom et al., PSA density and biopsy outcomes

Implemented from the cited published sources. Educational use only; confirm against current guidelines before clinical use.

Clinical questions that use this

Vetting guides that reach for this tool.

Suspected prostate cancer — detection before biopsy

Related calculators

Same subspecialty, overlapping subject matter.

PI-RADS v2.1 (Prostate MRI)RENAL Nephrometry Score