Twenty Years of Experience with the Preoperative Diagnosis of Medullary Cancer in a Moderately Iodine-Deficient Region

Table 2

Cytohistological comparison in medullary and nonmedullary thyroid carcinomas.

Cytology	𝑁	Histopathology
		Medullary cancer 𝑁 (%)	Other malignancies 𝑁 (%)	Benign 𝑁 (%)
Benign	3034	2 (0.07%)	31 (1.02%)	3001 (98.9%)
Suspicious	891	13 (1.46%)	164 (18.4%)	714 (80.1%)
Malignant	253	8 (3.16%)	242 (95.7%)	3 (1.19%)
Not diagnostic	423	0	26 (6.1%)	397 (93.9%)
Total	4601	23 (0.5%)	463 (10.1%)	4115 (89.4%)