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

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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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Authors and Affiliations

  1. Department of Radiology (Diagnostic Radiology), Tokushima University Hospital, 2-50-1, Kuramoto-Cho, Tokushima, Tokushima, 770-8503, Japan

    Mitsuhiro Kinoshita

  2. Department of Radiology, Tokushima Red Cross Hospital, 103 Irinokuchi Komatsushima-Cho, Komatsushima, Tokushima, 773-8502, Japan

    Katsuya Takechi & Ryozo Shirono

  3. Department of Radiology and Radiation Oncology, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15, Kuramoto-Cho, Tokushima, Tokushima, 770-8509, Japan

    Seiji Iwamoto & Masafumi Harada

  4. Department of Diagnostic Radiology, Tokushima University Graduate School of Health Science, 3-18-15, Kuramoto-Cho, Tokushima, Tokushima, 770-8509, Japan

    Shoichiro Takao

Authors
  1. Mitsuhiro Kinoshita
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  2. Katsuya Takechi
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  3. Seiji Iwamoto
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  4. Shoichiro Takao
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  5. Ryozo Shirono
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  6. Masafumi Harada
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Corresponding author

Correspondence to Mitsuhiro Kinoshita.

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The authors declare that they have no conflicts of interest.

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Kinoshita, M., Takechi, K., Iwamoto, S. et al. The usefulness of cone-beam computed tomography during chemoembolization of hepatocellular carcinomas fed exclusively by the cystic artery. Jpn J Radiol 34, 747–753 (2016). https://doi.org/10.1007/s11604-016-0580-0

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  • DOI: https://doi.org/10.1007/s11604-016-0580-0

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