Open Access

Thymoma appearing 9 years after the resection of squamous cell carcinoma of the lip: A case report of triple primary tumors and literature review

  • Authors:
    • Nobuyuki Maruyama
    • Takanobu Sasaki
    • Akira Arasaki
    • Akiko Matsuzaki
    • Toshiyuki Nakasone
    • Takao Teruya
    • Akira Matayoshi
    • Tessho Maruyama
    • Kennosuke Karube
    • Jiro Fujita
    • Naoki Yoshimi
    • Yukio Kuniyoshi
    • Kazuhide Nishihara
  • View Affiliations

  • Published online on: July 26, 2019     https://doi.org/10.3892/ol.2019.10675
  • Pages: 2777-2788
  • Copyright: © Maruyama et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

The occurrence of second primary tumor (SPT)following malignancy treatment is common. In patients with head and neck (H&N) cancer, SPTs principally occur in the H&N region, lungs or esophagus. Therefore, patient follow‑up after cancer treatment is important in order to detect recurrence, metastasis and new primary tumors. However, no standard guidelines on lifelong follow‑up imaging are available. Herein, we report a patient who presented with three metachronous primary tumors‑squamous cell carcinoma (SCC) of the tongue, SCC of the lip and type A thymoma. The third tumor was incidentally detected during follow‑up using contrast‑enhanced computed tomography (CT) 9 years following resection of the second tumor. To the best of our knowledge, this specific combination of metachronous tumors has not yet been reported. Based on the literature review, we observed that thymoma occurs following H&N cancer treatment. Therefore, to ensure that the presence of subsequent thymomas is not overlooked, we suggest regular lifelong follow‑up using contrast‑enhanced CT in patients who had previously been diagnosed with H&N cancer. The literature review revealed that thymomas occur in patients with H&N cancer and should be detected at the earliest convenience.

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September 2019
Volume 18 Issue 3

Print ISSN: 1792-1074
Online ISSN:1792-1082

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APA
Maruyama, N., Sasaki, T., Arasaki, A., Matsuzaki, A., Nakasone, T., Teruya, T. ... Nishihara, K. (2019). Thymoma appearing 9 years after the resection of squamous cell carcinoma of the lip: A case report of triple primary tumors and literature review. Oncology Letters, 18, 2777-2788. https://doi.org/10.3892/ol.2019.10675
MLA
Maruyama, N., Sasaki, T., Arasaki, A., Matsuzaki, A., Nakasone, T., Teruya, T., Matayoshi, A., Maruyama, T., Karube, K., Fujita, J., Yoshimi, N., Kuniyoshi, Y., Nishihara, K."Thymoma appearing 9 years after the resection of squamous cell carcinoma of the lip: A case report of triple primary tumors and literature review". Oncology Letters 18.3 (2019): 2777-2788.
Chicago
Maruyama, N., Sasaki, T., Arasaki, A., Matsuzaki, A., Nakasone, T., Teruya, T., Matayoshi, A., Maruyama, T., Karube, K., Fujita, J., Yoshimi, N., Kuniyoshi, Y., Nishihara, K."Thymoma appearing 9 years after the resection of squamous cell carcinoma of the lip: A case report of triple primary tumors and literature review". Oncology Letters 18, no. 3 (2019): 2777-2788. https://doi.org/10.3892/ol.2019.10675