Table 2.

Nodule size, nondiagnostic FNA results, and frequency of malignant tumors according to CT types of isolated macrocalcifications

Type of calcification	Nodule size (mm)	Nondiagnostic FNA result	No. of malignant tumors
All (n=20)	12.3±3.4	9 (47.4)a)	4 (20.0)
Central (n=18)	12.3±3.5	8 (47.1)a)	4 (22.2)
Complete (n=6)	10.5±3.4	2 (33.3)	1 (16.7)
Partial (n=12)	13.3±3.4	6 (54.4)a)	3 (25.0)
Rim (n=2)	11.5±2.1	1 (50.0)	0

Values are presented as mean±standard deviation or number (%).

FNA, fine-needle aspiration; CT, computed tomography.

^a)FNA was not performed in 1 nodule.