Table 3.

Papillary thyroid carcinoma subtype based on worst preceding FNA diagnosis.

	Malignant	Suspicious for malignancy	Follicular Neoplasm	AUS
FV	46 (24.5)	136 (81.3)	38 (73.1)	44 (84.6)
CV	81 (43.1)	28 (13.2)	12 (23.1)	8 (15.4)
High-risk	61 (32.4)*	18 (5.5)ˆ	2 (3.8)#	0 (0.0)
Total	188 (100)	182 (100)	52 (100)	52 (100)

Abbreviations: FV: Follicular variant; CV: Conventional variant; AUS: Atypia of undetermined significance; FOL: Suspicious for a follicular neoplasm; SUS: Suspicious for malignancy; M: Malignant

Values expressed as number with percent of total following in parentheses.

^*24 diffuse sclerosing, 26 tall cell, and 11 with mixed diffuse sclerosing and tall cell variant/features

^ˆ10 diffuse sclerosing and 6 tall cell variant/features; 2 with focal poorly differentiated areas

^#2 follicular variants with poorly differentiated areas

P>0.001; Post hoc pairwise comparisons:

AUS v M: P<0.001

SUS v M: P<0.001

FOL v M: P<0.001

All others not significant.