Doubling time - calculation of growth rate of a lesion or a mass
Calculating doubling time of focal lesions or massess can give a hint, whether it has a malignant or rather benign growth dynamics. Doubling time of malignant lesions is between 30 and 500 days with a median of 100 days.
| Calculate | ||
|---|---|---|
| First examination | Date (d/m/yy) | |
| Diameter [mm] | ||
| Second examination | Date (d/m/yy) | |
| Diameter [mm] | ||
Clear
References:
1. Collins VP, Loeffler RK, Tivey H. Observations on growth rates of human tumors. Am J Roentgenol Radium Ther Nucl Med. 1956 Nov;76(5):988–1000.
2. Schwartz M. A biomathematical approach to clinical tumor growth. Cancer. 1961 Dec;14:1272–94.
3. Mehrara E, Forssell-Aronsson E, Ahlman H, Bernhardt P. Specific Growth Rate versus Doubling Time for Quantitative Characterization of Tumor Growth Rate. Cancer Res. 2007 Apr 15;67(8):3970–5.
Updated 15/8/2013 13:23 by Lambert