Abscopal effect following radiation monotherapy in breast cancer: A case report

  • Authors:
    • Ayaka Azami
    • Nobuyasu Suzuki
    • Yusuke Azami
    • Ichiro Seto
    • Atai Sato
    • Yoshinao Takano
    • Tsuyoshi Abe
    • Yasushi Teranishi
    • Kazunoshin Tachibana
    • Tohru Ohtake
  • View Affiliations

  • Published online on: July 19, 2018     https://doi.org/10.3892/mco.2018.1677
  • Pages: 283-286
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Abstract

Radiotherapy has been found to be valuable for the control and eradication of local foci in various malignant tumors. The abscopal effect is determined as a systemic antitumor response at a distance from the irradiation site invoked by local irradiation. We herein present an extremely rare case of breast cancer in a 64-year-old woman, in whom the abscopal effect was observed after radiotherapy induced an antitumor response in all metastatic lesions, without any combination therapy. The patient was admitted to our hospital complaining of a breast mass and pain at the left hip, and was diagnosed with breast cancer with multiple bone, lung and lymph node metastases. She received treatment with local radiotherapy delivered to the breast tumor and some of the bone metastases but did not receive chemotherapy due to her poor performance status. However, 10 months after radiotherapy, spontaneous regression was observed, not only within the irradiated field, but also in the non-irradiated areas. All signs of cancer throughout the body disappeared, and the patient's performance status drastically improved. To the best of our knowledge, there have been no reports of advanced breast cancer cases in which the abscopal effect was observed after radiation monotherapy; therefore, this case report is extremely rare and highly valuable.
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September-2018
Volume 9 Issue 3

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

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Spandidos Publications style
Azami A, Suzuki N, Azami Y, Seto I, Sato A, Takano Y, Abe T, Teranishi Y, Tachibana K, Ohtake T, Ohtake T, et al: Abscopal effect following radiation monotherapy in breast cancer: A case report. Mol Clin Oncol 9: 283-286, 2018
APA
Azami, A., Suzuki, N., Azami, Y., Seto, I., Sato, A., Takano, Y. ... Ohtake, T. (2018). Abscopal effect following radiation monotherapy in breast cancer: A case report. Molecular and Clinical Oncology, 9, 283-286. https://doi.org/10.3892/mco.2018.1677
MLA
Azami, A., Suzuki, N., Azami, Y., Seto, I., Sato, A., Takano, Y., Abe, T., Teranishi, Y., Tachibana, K., Ohtake, T."Abscopal effect following radiation monotherapy in breast cancer: A case report". Molecular and Clinical Oncology 9.3 (2018): 283-286.
Chicago
Azami, A., Suzuki, N., Azami, Y., Seto, I., Sato, A., Takano, Y., Abe, T., Teranishi, Y., Tachibana, K., Ohtake, T."Abscopal effect following radiation monotherapy in breast cancer: A case report". Molecular and Clinical Oncology 9, no. 3 (2018): 283-286. https://doi.org/10.3892/mco.2018.1677