Computed tomography-guided percutaneous core needle biopsy in pancreatic tumor diagnosis

Table 1 Patient and lesion characteristics for biopsies with and without complications

Variable	Without complications(n = 94)	With complications(n = 9)	P value
Patient age, yr	64.9 ± 12.9	64.1 ± 12.3	0.86
Lesion size, mm	46.4 ± 25.9	35.5 ± 14.2	0.25
Lesion-skin distance, mm	83.1 ± 31.5	97.1 ± 30.2	0.20

Table 2 Incidence of complications after computed tomography-guided biopsy of pancreatic lesions n (%)

Variable	Complications	P value
Lesion location
Head/uncinate process	8 (12.3)	0.15
Body/tail	1 (2.6)
Biopsy technique
Direct	4 (5.4)	0.11
Indirect	5 (17.2)
Access type
Anterior	8 (10.0)	0.60
Posterior/paravertebral	1 (6.7)
Needle caliber
18 G	9 (9.0)	0.86

Table 3 Accuracy and complications of image-guided percutaneous needle biopsy of pancreatic lesions

Ref.	n	Imaging method	Accuracy	Complications
Brandt et al[15]	269	US and CT	93%	1.10%
Karlson et al[11]	100	US	89%	-
Paulsen et al[5]	107	US and CT	94.40%	2.80%
Amin et al[2]	372	US and CT	90%	4.60%
Yu et al[12]	43	CT	94.30%	2.30%
Yang et al[13]	88	US	93%	-
Current study	103	CT	98.10%	8.70%

CT: Computed tomography; US: Ultrasound.