Patient selection
This retrospective analysis included consecutive pLTs performed between
January 2014 and December 2021 at the Department of Pediatric
Transplantation, Tianjin First Central Hospital, Tianjin, China. The
inclusion criteria were as follows: (I) the patient’s age at the time of
operation was <14 years and (II) 18F-FDG
PET/CT and lymph node biopsy were performed simultaneously in patients
with clinically suspected PTLD. This study was approved by the Tianjin
First Central Hospital Medical Ethics Committee (approval no.
2022N140KY).