Hemorrhagic extrahepatic recurrence of hepatocellular carcinoma: A case report.

The recurrence of hepatocellular carcinoma (HCC) can mainly be divided into two phases or types: the intrahepatic recurrence (IHR) and the extrahepatic recurrence (EHR). Generally speaking, the EHR is usually referenced as being the less common of the two types or categories. In a post-hemihepatectomy patient with routine surveillance at 6 months, it was noted that the patient appeared to have an elevated alpha-fetoprotein, and also complained of vague lower abdominal pain.

The visual perception of plane tilt from motion in small field and large field: psychophysics and theory.

Subjects indicated the tilt of dotted planes rotating in depth, in monocular viewing, under perspective projection. The responses depended on the FOV (field of view) and on the angle W between the tilt and frontal translation (orthogonal to the rotation axis). Response accuracy increased with the FOV, and decreased with W.