From: Kinetic analysis of the growth rate of sporadic and hereditary medullary thyroid carcinoma: comparing the postoperative calcitonin-doubling rate with the hypothetical preoperative tumor volume-doubling rate
n
> 1
0.5–1.0
0.1–0.5
< 0.1
Rapid growth
Rather rapid growth
Slow growth
Very slow
Sporadic MTC
28
1 (4%)
13 (46%)
14 (50%)
0 (0%)
Hereditary MTC
18
10 (56%)
8 (44%)
All patients
46
11 (24%)
21 (46%)
14 (30%)