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. 2014 Mar 24;12:61. doi: 10.1186/1477-7819-12-61

Table 1.

Main ultrasound characteristics of 72 solid nodules included in the study

  CNB group FNA group P
Size (mm)
12.3 ± 3.8
11.2 ± 5.1
0.31
Marked hypoechogenicity
26 (82.9%)
37 (90.2%)
0.48
Taller shape
5 (16.1%)
7 (17.1%)
0.83
Microcalcifications
14 (45.2%)
21 (51.2%)
0.78
Intranodular vascularization
17 (54.8%)
20 (48.8%)
0.78
Score III to IV at elastography
26 (83.9%)
32 (78.0%)
0.75
More than two risk features 15 (48.4%) 17 (41.5%) 0.72

Legend: CNB, core needle biopsy; FNA, fine-needle aspiration. Marked hypoechogenicity, solid hypoechoic nodule with no cystic areas. Taller shape, taller than wide shaped nodule. Microcalcifications, hyperechoic punctuations <2 mm. Intranodular vascularization, intralesional vascular signal. Score III to IV at elastography, blue color in more than 50% of the nodule.