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Related Experiment Videos

Feng-Chun Zhang1,2, Hai-Yan Xu1, Jian-Jun Liu3

  • 1Oncology Department, Suzhou Kowloon Hospital, Shanghai Jiao Tong University, School of Medicine, Suzhou, Jiangsu 215021, P.R. China.

Oncology Letters
|September 15, 2018
PubMed
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Fludeoxyglucose F 18 positron emission tomography-computed tomography (PET/CT) can predict chemotherapy success in recurrent or metastatic breast cancer. Changes in standardized uptake values (SUVmax) after treatment indicate remission and improved survival rates.

Area of Science:

  • Oncology
  • Nuclear Medicine
  • Radiology

Background:

  • Recurrent and metastatic breast cancer present significant treatment challenges.
  • Accurate early prediction of chemotherapy response is crucial for patient management and survival outcomes.

Purpose of the Study:

  • To evaluate the utility of 18F-FDG PET/CT in predicting chemotherapy remission and survival in patients with recurrent or metastatic breast cancer.
  • To assess the correlation between changes in PET/CT parameters and treatment response.

Main Methods:

  • A cohort of 24 patients with recurrent or metastatic breast cancer underwent PET/CT scans before and after chemotherapy.
  • Maximal standardized uptake values (SUVmax) and percentage changes (ΔSUVmax%) were analyzed.
  • Differences in PET/CT metrics were compared between objective remission (OR) and non-OR groups, and survival analyses were performed.
Keywords:
breast cancerchemotherapyearly predictionmaximum standardized uptake valuepositron emission tomography-computed tomography

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Main Results:

  • Significant differences in ΔSUVmax and ΔSUVmax% were observed between the OR and non-OR groups (P<0.001).
  • Overall survival (OS) was significantly longer in the OR and metabolic responder groups compared to their respective controls (P<0.001 and P<0.01).
  • ΔSUVmax% showed a significant positive association with OS (r²=0.266; P<0.01).

Conclusions:

  • 18F-FDG PET/CT serves as a valuable tool for the early prediction of chemotherapy efficacy in recurrent or metastatic breast cancer.
  • PET/CT findings can help identify patients likely to achieve remission and experience prolonged survival.