Radiology Case Reports (May 2023)

Fluorodeoxyglucose positron emission tomography (FDG/PET) shows the effect of carbon-ion radiotherapy (CIRT); with pathologic confirmation

  • Jun Aoki, MD,
  • Yayoi Yamamoto, MD,PhD,
  • Ayumi Horikawa, MD,PhD,
  • Tsunehiro Doiuchi, MD,
  • Ayako Hino, MD,PhD,
  • Daichi Kojima, MD,
  • Hiroaki Kurihara, MD,PhD,
  • Kota Washimi, MD,PhD,
  • Hiroyuki Katoh, MD,PhD,
  • Toru Hiruma, MD,PhD

Journal volume & issue
Vol. 18, no. 5
pp. 1793 – 1795

Abstract

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Response evaluation of carbon-ion radiotherapy poses a diagnostic challenge. Due to its functional aspects, fluorodeoxyglucose positron emission tomography (FDG/PET) has a role in the diagnosis of photon radiation therapy. In addition, several studies suggested that FDG/PET may be useful to select the optimal site for performing a diagnostic biopsy. Here, we report a 73-year-old female in which FDG/PET was effective in determining the recurrence of liposarcoma and the therapeutic effect. Based on the results of FDG/PET, we could make a pathologic definitive diagnosis and selectively performing carbon-ion radiotherapy for active tumors.

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