Contrast-enhanced CT of the liver and spleen: comparison of ionic and nonionic contrast agents

Abstract

We conducted a randomized, blinded, prospective study evaluating hepatic paren-

Diagnosis of fatty infiltration of the liver on contrast enhanced CT: limitations of liver-minus-spleen attenuation difference measurements

“…The spleen usually has greater enhancement than the liver when scanned during the most optimal phase of liver imaging [7][8][9]. Thus, on CECT the diagnosis of fatty infiltration by simple comparison of liver and spleen attenuation is not straightforward, and a different diagnostic threshold is needed.…”

What is a reliable CT scan for diagnosing splenosis under emergency conditions?

“…This is probably related to the existence of a double bloodcirculation inside the red pulp where areas of early enhancement represent fast circulation with direct connections between arterioles and venules, and areas of late enhancement represent a slower circulation with connections between the arterioles and the venules through the Billroth-channels [3,4] . The splenic parenchyma reaches a homogeneous enhancement approximately 1 min after contrast agent administration with density values ranging between 75 and 97 HU [5] . Although differential diagnosis includes a variety of other conditions presenting with a pelvic mass, the relation with the surrounding tissues and the contrastenhancement characteristics can help in the diagnosis of splenosis.…”

Pediatric hepatic CT: An injection protocol

“…A survey of the literature describing adult abdominal CT injection techniques reveals a wide range of injection rates, volumes, and dosages of iodine [1][2][3][4][5][6][7]. Unfortunately, few authors report the weight of the patients studied.…”

“…Improvement in adult hepatic CT over the past 10 years has resulted from advances in intravenous contrast administration [1][2][3][4][5][6][7]. We are aware of only very few references which address this issue in the pediatric population [8].…”