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Table 3 Depth and the maximum diameter of DFSP by ultrasound, contrast-enhanced ultrasound and histology

From: Multimodal ultrasound for preoperative evaluation of dermatofibrosarcoma protuberans: a series of 40 cases

Indicator

DFSP

Cases, n

19

US

 Depth (cm)

1.69 ± 1.12

 The maximum diameter (cm)

3.51 ± 1.00

CEUS

 Depth (cm)

1.78 ± 1.11

 The maximum diameter (cm)

3.64 ± 0.97

Histology

 Depth (cm)

1.79 ± 1.10

 The maximum diameter (cm)

3.68 ± 1.01

Depth

 Difference (Histology and US, cm)

0.10 ± 0.14

 Difference (Histology and CEUS, cm)

0.01 ± 0.09

 P1

0.002

 P2

0.000

The maximum diameter

 Difference (Histology and US, cm)

0.17 ± 0.16

 Difference (Histology and CEUS, cm)

0.03 ± 0.16

 P1

0.001

 P2

0.043

  1. Data had normal distribution and presented as mean ± SD, US ultrasound, CEUS contrast-enhanced ultrasound, P1 US and histology, P2 CEUS and histology