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Table 2 Overview of the four main results shown with medians and interquartile ranges

From: Matrix 3D ultrasound-assisted thyroid nodule volume estimation and radiofrequency ablation: a phantom study

 

Conventional 2D transducer

3D mechanically swept transducer

Real-time 3D transducer

Estimated nodule volume difference

Calliper measurement 2.2 mL (1.3–3.5 mL)

Volume tool 2.0 mL (1.3–2.9 mL)

Calliper measurement 0.4 mL (-0.4–1.1 mL)

Volume tool 0.7 mL (-0.0–1.6 mL)

Nodule ablation coverage

80.8% (67.1–92.4%)

60.1% (58.2–71.6%)

76.7% (65.7–85.0%)

Volume ablated outside nodule

4.2 mL (1.2–5.9 mL)

0.5 mL (0.4–1.0 mL)

5.1 mL (4.3–6.8 mL)

Ablation time/mL

105.5 s/mL (69.5–94.5 s/mL)

72.5 s/mL (66.8–77.3 s/mL)

80.0 s/mL (69.5–94.5 s/mL)

  1. 2D Two-dimensional, 3D Three-dimensional