Current roles of pet/ct in thymic epithelial tumours: Which evidences and which prospects? A pictorial review

Filippo Lococo, Marco Chiappetta, Elizabeth Katherine Anna Triumbari, Jessica Evangelista, Maria Teresa Congedo, Daniele Antonio Pizzuto, Debora Brascia, Giuseppe Marulli, Salvatore Annunziata, Stefano Margaritora

Research output: Contribution to journalReview articlepeer-review

Abstract

Background: The use of18 F FDG PET/CT scan in thymic epithelial tumours (TET) has been reported in the last two decades, but its application in different clinical settings has not been clearly defined. Methods: We performed a pictorial review of pertinent literature to describe different roles and applications of this imaging tool to manage TET patients. Finally, we summarized future prospects and potential innovative applications of PET in these neoplasms. Results:18 F FDG PET/CT scan may be of help to distinguish thymic hyperplasia from thymic epithelial tumours but evidences are almost weak. On the contrary, this imaging tool seems to be very performant to predict the grade of malignancy, to a lesser extent pathological response after induction therapy, Masaoka Koga stage of disease and long-term prognosis. Several other radiotracers have some application in TETs but results are limited and almost controversial. Finally, the future of PET/CT and theranostics in TETs is still to be defined but more detailed analysis of metabolic data (such as texture analysis applied on thymic neoplasms), along with promising preclinical and clinical results from new “stromal PET tracers”, leave us an increasingly optimistic outlook. Conclusions: PET plays different roles in the management of thymic epithelial tumours, and its applications may be of help for physicians in different clinical settings.

Original languageEnglish
Article number6091
JournalCancers
Volume13
Issue number23
DOIs
Publication statusPublished - Dec 1 2021

Keywords

  • F FDG PET/CT
  • Histology
  • Radiometabolic assessment
  • Thymic epithelial tumour
  • Thymoma
  • WHO

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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