An abscess and a THAD (white arrow) on a contrast CT in native, arterial, portal and delayed phase.<unk>  (THAD) are areas of enhancement during the arterial phase of contrast CT of the liver. THAD is thought to be a physiological phenomenon resulting from regional variation in the blood supply by the portal vein and/or the<unk>  artery. THAD may in some cases be associated with liver tumors such as a<unk> ellular carcinoma.
Transient hepatic attenuation differences
Sonographic Murphy sign
High-altitude flatus expulsion
Cystic lesions of the pancreas
Pulseless electrical activity
Radiodensity
Duodenal lymphocytosis
Abdominal distension