Endoscopic ultrasonography - emerging applications in hepatology

Table 1 Data from the main studies of endoscopic ultrasonography-guided liver biopsy

Ref.	Study design	Needle	Passes	Specimen length (median)	Complete portal tracts (median)	Histological diagnosis
DeWitt et al[8]	Prospective unicentre study n = 21	Quick-Core1	1-4	9 mm	2	71%
Diehl et al[11]	Prospective multicentre study n = 110	19G (FNA) Expect1	1-2	38 mm	14	98%
Stavropoulos et al[10]	Prospective unicentre study n = 22	19G (FNA) Echotip2	1-3	36.9 mm	9	91%
Sey et al[9]	Prospective unicentre study n = 75	Quick-Core1	1-7	9 mm	2	73%
		ProCore 19G1	1-3	20 mm	5	97%

¹Cook^® Medical;

²Boston Scientific. FNA: Fine needle aspiration.