gompertzian growth

gompertzian growth

a pattern of cell growth in tumors in which there is increased doubling time and decreased growth fraction as a function of time.
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demonstrated that smaller renal tumors have greater VGR than larger renal tumors, [sup][31] which was suggestive of Gompertzian growth kinetics, the growth rate of tumors is exponential initially and decreases with the increase of tumor size.
This flaw might be due to irregular growth patterns exhibited by the tumors that may incorporate plateaus or dominant periods separated by Gompertzian growth Spurts (8).
Gompertzian growth is described by the so-called sigmoid curve of tumor size versus time over the entire life of the tumor.
In fact, the longer the interval between the missed diagnosis and the actual discovery of the cancer, the less meaningful is this method of calculation, since the phenomenon of tumor slowdown, or Gompertzian growth, increasingly dominates.