Table 6 Comparison of the incidence of UMRFs and their sets in malignant neoplasms and benign nodules in relation to the FNA result – UC vs. FL
Sonographic feature | Results of histopathological examinations | |||||
|---|---|---|---|---|---|---|
Benign | Malignant | |||||
Category of FNA | Category of FNA | |||||
UC (200) No/% | FL (296) No/% | p | UC (100) No/% | FL (26) No/% | p | |
1 –hypoechogenicity | 98/49.0 | 204/68.9 | <0.0001 | 86/86.0 | 19/73.1 | 0.115 |
2 - solid echostructure (<25% cystic) | 115/57.5 | 227/76.7 | <0.0001 | 94/94.0 | 24/92.3 | 0.892 |
3 (1 & 2) -hypoechogenicity of solid nodule | 63/31.5 | 161/54.4 | <0.0001 | 80/80.0 | 17/65.4 | 0.115 |
4 -taller-than-wide shape | 26/13.0 | 35/11.8 | 0.696 | 30/30.0 | 6/23.1 | 0.486 |
5 -pathological vascularization | 14/7.0 | 63/21.3 | <0.0001 | 19/19.0 | 7/26.9 | 0.374 |
6 - suspicious margins | 29/14.5 | 19/6.4 | 0.003 | 31/31.0 | 1/3.8 | 0.010 |
7 –calcifications (micro or macro) | 27/13.5 | 34/11.5 | 0.503 | 28/28.0 | 9/34.6 | 0.509 |
7a –microcalcifications | 4/2.0 | 14/4.7 | 0.177 | 13/13.0 | 2/7.7 | 0.686 |
7b – isolated macrocalcifications | 23/11.5 | 20/6.8 | 0.065 | 15/15.0 | 7/26.0 | 0.154 |
Sets of sonographic features | ||||||
A1 - >2 UMRFs of: 1, 2, 4, 5, 6, 7a | 30/15.0 | 71/24.0 | 0.015 | 55/55.0 | 8/30.8 | 0.028 |
A2 - >2 UMRFs of: 1, 2, 4, 5, 6, 7 | 40/20.0 | 79/26.7 | 0.087 | 63/63.0 | 12/46.2 | 0.119 |
B1 - >2 UMRFs of: 1, 2, 4, 6, 7a (TIRADS) | 25/12.5 | 37/12.5 | 1.0 | 46/46.0 | 6/23.1 | 0.034 |
B2 - >2 UMRFs of: 1, 2, 4, 6, 7 | 33/16.5 | 46/15.5 | 0.775 | 53/53.0 | 10/38.5 | 0.187 |
C - 3 with 4 or 6 or 7a (ATA) | 26/13.0 | 36/12.2 | 0.782 | 46/46.0 | 5/19.2 | 0.013 |
D - >2 UMRFs of: 1, 2, 4, 7 | 20/10.0 | 37/12.5 | 0.392 | 43/43.0 | 10/38.5 | 0.676 |