“…However, these radiographic methods are invasive, and cannot be used in patients with severe hepatic dysfunction or ascites, Currently, non-invasive CT scanning (Clark et al, 1980;Kim et al, 1980;Takayasu et al, 1982a) and ultrasonography (Glazer et al, 1980;Dokmeci et al, 1981;Dach et al, 1981;Jiittner et al, 1982) are being applied to the study of portal-systemic shunts. The value of ultrasound in the demonstration of spontaneous splenorenal shunts has not yet been fully assessed.…”