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Table 3 Hypothetical tumor-volume doubling rates in 28 patient with sporadic MTC and 18 patients with hereditary MTC

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%) 0 (0%) 0 (0%)
All patients 46 11 (24%) 21 (46%) 14 (30%) 0 (0%)