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Japanese Journal of Radiology

01-11-2016 | Technical Note

The usefulness of cone-beam computed tomography during chemoembolization of hepatocellular carcinomas fed exclusively by the cystic artery

Authors: Mitsuhiro Kinoshita, Katsuya Takechi, Seiji Iwamoto, Shoichiro Takao, Ryozo Shirono, Masafumi Harada

Published in: Japanese Journal of Radiology | Issue 11/2016

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Abstract

Purpose

To evaluate the usefulness of cone-beam computed tomography (CBCT) for monitoring the transcatheter arterial chemoembolization (TACE) of hepatocellular carcinomas supplied by the cystic artery.

Materials and methods

In seven tumors (mean diameter: 19 mm), the iodized oil distributions in the tumor and gallbladder wall were evaluated by CBCT after injecting iodized oil emulsion (LipCBCT) through the cystic artery. Gelatin sponge particles were injected to completely obstruct the tumor-feeding vessel when iodized oil deposition was seen in less than one third of the wall circumference. The following parameters were retrospectively investigated: (1) the iodized oil distribution during LipCBCT and on CT scans 1 week after TACE; (2) local tumor control; and (3) complications.

Results

LipCBCT showed iodized oil accumulation throughout the entire tumor in all cases, and iodized oil deposition in the gallbladder wall in three cases (43 %) (less than one third of the circumference). Therefore, gelatin sponge particles were used in all cases. CT 1 week after TACE showed an almost identical iodized oil distribution to intraoperative LipCBCT. None of the tumors recurred during follow-up, and no complications occurred.

Conclusion

CBCT is useful for evaluating the distribution of iodized oil in TACE via the cystic artery.
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Metadata
Title
The usefulness of cone-beam computed tomography during chemoembolization of hepatocellular carcinomas fed exclusively by the cystic artery
Authors
Mitsuhiro Kinoshita
Katsuya Takechi
Seiji Iwamoto
Shoichiro Takao
Ryozo Shirono
Masafumi Harada
Publication date
01-11-2016
Publisher
Springer Japan
Published in
Japanese Journal of Radiology / Issue 11/2016
Print ISSN: 1867-1071
Electronic ISSN: 1867-108X
DOI
https://doi.org/10.1007/s11604-016-0580-0