"Several mechanisms are thought to to attribute to this appearance which include sinusoidal stasis, traumatic artenio-venous aneurysm, contrast leakage from fragmented sinusoids, stasis of blood and contrast material within marginal sinuses because of contusion, haematoma and hypotension."
"Several mechanisms are thought to to attribute to this appearance which include sinusoidal stasis, traumatic artenio-venous aneurysm, contrast leakage from fragmented sinusoids, stasis of blood and contrast material within marginal sinuses because of contusion, haematoma and hypotension."