Open Access

Proton beam therapy combined with retrograde intra‑arterial infusion chemotherapy for an extremely rapid growing recurrent ameloblastic carcinoma: A case report

  • Authors:
    • Kanako Takayama
    • Tatsuya Nakamura
    • Akinori Takada
    • Takahiro Kato
    • Hideo Sakuma
    • Kenji Mitsudo
    • Nobukazu Fuwa
    • Masao Murakami
  • View Affiliations

  • Published online on: July 30, 2020     https://doi.org/10.3892/mco.2020.2104
  • Article Number: 34
  • Copyright: © Takayama et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Ameloblastic carcinoma (AC) is a very rare malignant odontogenic tumor. Although surgical resection is generally performed, treatment approaches have not been established for recurrent cases. Chemotherapy and radiotherapy are positioned as adjunctive therapies, and few studies investigated definitive non‑operative therapy. We present the case of a 71‑year‑old male with recurrent secondary‑type AC arising from the right maxilla, who was treated with proton beam therapy (PBT; 71.4 Gy relative biological effectiveness in 32 fractions) combined with continuous intra‑arterial infusion of cisplatin (40 mg/m2) and docetaxel (8 mg/m2). The patient experienced acute grade 3 mucositis, dermatitis and neutropenia, which were resolved within 3 months of treatment. Late adverse events were grade 1 skin atrophy, and grade 2 right optic nerve disorder and retinopathy. After ~8 years of treatment, the patient died from another cause but did not experience any relapse or metastasis during the follow‑up period of 94 months. To the best of our knowledge, this is the first report of recurrent AC treated with PBT and intra‑arterial infusion chemotherapy without any severe late adverse events. This combination therapy approach may be considered as an effective therapeutic option for inoperable AC.
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October-2020
Volume 13 Issue 4

Print ISSN: 2049-9450
Online ISSN:2049-9469

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Spandidos Publications style
Takayama K, Nakamura T, Takada A, Kato T, Sakuma H, Mitsudo K, Fuwa N and Murakami M: Proton beam therapy combined with retrograde intra‑arterial infusion chemotherapy for an extremely rapid growing recurrent ameloblastic carcinoma: A case report. Mol Clin Oncol 13: 34, 2020.
APA
Takayama, K., Nakamura, T., Takada, A., Kato, T., Sakuma, H., Mitsudo, K. ... Murakami, M. (2020). Proton beam therapy combined with retrograde intra‑arterial infusion chemotherapy for an extremely rapid growing recurrent ameloblastic carcinoma: A case report. Molecular and Clinical Oncology, 13, 34. https://doi.org/10.3892/mco.2020.2104
MLA
Takayama, K., Nakamura, T., Takada, A., Kato, T., Sakuma, H., Mitsudo, K., Fuwa, N., Murakami, M."Proton beam therapy combined with retrograde intra‑arterial infusion chemotherapy for an extremely rapid growing recurrent ameloblastic carcinoma: A case report". Molecular and Clinical Oncology 13.4 (2020): 34.
Chicago
Takayama, K., Nakamura, T., Takada, A., Kato, T., Sakuma, H., Mitsudo, K., Fuwa, N., Murakami, M."Proton beam therapy combined with retrograde intra‑arterial infusion chemotherapy for an extremely rapid growing recurrent ameloblastic carcinoma: A case report". Molecular and Clinical Oncology 13, no. 4 (2020): 34. https://doi.org/10.3892/mco.2020.2104