Role of endoscopic ultrasound in the field of hepatology: Recent advances and future trends

Table 4 Studies on endoscopic ultrasound guided fine needle aspiration/fine needle biopsy of focal liver lesions

Ref.	Design	Patients	Diagnostic yield (%)	Needle passes (median)	Complications
EUS-FNA
Nguyen et al[32]	Prospective	14	100	2	0
TenBerge et al[33]	Retrospective	26	88.6	-	3.8% (fever)
DeWitt et al[34]	Retrospective	77	91	3.4 (mean)	0
Hollerbach et al[35]	Prospective	33	94	1.4 ± 0.6	6.1% (self-limited bleeding)
McGrath et al[36]	Prospective	7	100	2	0
Singh et al[26]	Prospective	9	88.9	2	0
Singh et al[27]	Prospective	26	96	2.1	0
Crowe et al[37]	Retrospective	16	75	3 (minimum)	0
Prachayakul et al[38]	Retrospective	14	100		0
Oh et al[39]	Prospective	47	90.5	3	0
Ichim et al[25]	Prospective	48	98	2	0
EUS-FNB
Lee et al[40]	Prospective	21	90.5	2	0
Chon et al[41]	Retrospective	58	89.7	2	1.7% (bleed)

EUS: Endoscopic ultrasound; FNA: Fine needle aspiration; FNB: Fine needle biopsy.