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  • Title: [CT image of the liver cancer after administration of SMANCS/lipiodol].
    Author: Maki S, Konno T, Iwai K, Tashiro S, Otsuka N, Yamasaki K, Mizutani J, Miyauchi Y, Maeda H, Yokoyama I.
    Journal: Gan To Kagaku Ryoho; 1986 Apr; 13(4 Pt 2):1603-10. PubMed ID: 3015036.
    Abstract:
    A new type of anticancer agent with an amphiphilic nature, poly (styrene-co-maleic acid)-conjugated neocarzinostatin [SMANCS], was dissolved in the lipid contrast medium Lipiodol [SMANCS/LPD]. This medium was injected intra-arterially and was found to be an invaluable tool for highly sensitive CT image analysis of tumors. Following administration, CT images revealed high-density areas which corresponded to the location and size of liver cancer, the smallest being 4 mm in diameter. The deposition pattern of SMANCS/LPD in liver cancers by CT was classified into 3 types. In type A, Lipiodol was distributed relatively evenly in the tumor lesion, while in type B it was accumulated predominantly around the tumor periphery, the central portion remaining low in density. A for cases exhibited a type C pattern which was a mixture of types A and B. Type A was found essentially in primary liver cancer, and types B and C in secondary liver cancer. Thus, the CT pattern was found to be useful for differential diagnosis. For a sufficient therapeutic effect, 0.08 ml of SMANCS/LPD per cm2 of the maximal CT cross-section of the tumor area was found to be necessary. As a routine protocol after SMANCS/LPD administration, CT scanning was recommended for primary liver cancer initially at one week and then once every month. Secondary liver cancer required more frequent CT follow-ups after administration, on the 3rd day, after one and two weeks, and every month, due to the relatively rapid disappearance of the stain than in primary liver cancer.
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