Application of contrast-enhanced ultrasound in renal space-occupying lesion puncture biopsy

BMC Medical Imaging

Table 3 Comparison of puncture result between the two groups of cases

Puncture result	Ultrasonic method		P
Puncture result	US (n = 36)	CEUS (n = 22)	P
Puncture success	27 (75.0%)	22 (100%)	0.037
Puncture failure	4 (11.1%)	0
Small amount of tissue specimens	5 (13.9%)	0

Fisher’s exact probability method was adopted as the expected count of four cells was less than 5

ISSN: 1471-2342