Contrast-Enhanced Ultrasound Improves the Pathological Outcomes of US-Guided Core Needle Biopsy That Targets the Viable Area of Anterior Mediastinal Masses
Table 2
Results of the univariate analysis to establish confounding factors related to the ability to obtain a conclusive histological diagnosis of anterior mediastinal masses by US-CNB.
Conclusive diagnoses
Nonconclusive diagnoses
value
Age (years), mean ± SD
0.051
Gender, male/female
60/23
4/5
0.085
Cancer history (yes/no)
5/78
1/8
0.557
Location (both/left/right)
8/46/29
0/4/5
0.371
Size (mm), mean ± SD
0.819
CDFI category (marked/not marked)
58/25
2/7
0.004
Marginal blood flow signals (presence/absence)
60/23
2/7
0.002
Necrosis (presence/absence)
9/24
4/5
0.021
Punctures of core needle (mean ± SD)
<0.001
Repeated US-CNB (with/without)
12/71
5/4
0.003
Cellularity mean ± SD
0.009
US-CNB: ultrasound-guided core needle biopsy; CDFI: color Doppler flow imaging; SD: standard deviation.
