Role of endoscopic ultrasound in vascular interventions: Where are we now?

Table 4 Table summarizing studies and case reports of portal vein thrombus biopsy

Ref.	Design	Technical success (%)	Adverse events	Upstaging post EUS-FNA	Cytological analysis
Gimeno Garcia et al[54], 2018	Multicenter Study	87.50	None	85.70%	Used to determine final diagnosis
Rustagi et al[70], 2017	Prospective Study	100	None	37.50%	Malignant cytology in 12 patients out of 17 (70.6%; 10 positive, 2 suspicious)
Kayar et al[53], 2015	Case Report	100	None	Not reported	Invasion of PV by HCC
Moreno et al[71], 2014	Case Report	100	None	Not reported	Invasion of PV by HCC
Michael et al[72], 2011	Case Report	100	None	Not reported	Malignant cells consistent with poorly differentiated HCC

HCC: Hepatocellular carcinoma; EUS: Endoscopic ultrasound; PV: Portal vein; FNA: Fine needle aspiration.