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American Journal of Roentgenology, Vol 167, 477-481, Copyright © 1996 by American Roentgen Ray Society

ARTICLES

Hepatocellular carcinoma: iodized-oil CT TNM classification

C Valls, J Figueras, E Jaurrieta, C Sancho, J Dominguez, C Benasco, P Moreno, A Rafecas, J Virgili and
Department of Radiology, Ciutat Sanitaria i Universitaria de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain.

OBJECTIVE. We conducted a prospective study to determine the efficacy of iodized-oil enhancement in CT for preoperative assessment of the T factor of the TNM classification in patients with hepatocellular carcinoma (HCC). SUBJECTS AND METHODS. Iodized-oil CT was performed as a part of preoperative staging in 28 patients with HCC. We determined the radiologic T factor. Pathologic correlation was obtained after orthotopic liver transplantation (n = 25) or autopsy (n = 3), and the histologic T factor was determined. RESULTS. The sensitivity of iodized- oil CT accurately distinguishing between stage-T4 tumors and tumors in stages T1-T3 was 88% (7/8) with a positive predictive value of 100% (7/7). CONCLUSION. Iodized-oil CT is useful for preoperatively assessing the T factor of the TNM classification in HCC, and it improves the accuracy of radiologic staging. Iodized-oil CT can help to better patients with HCC for orthotopic liver transplantation.
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Copyright © 1996 by the American Roentgen Ray Society.