Follow up
The outpatient follow-up plan mainly included laboratory tests and
imaging examinations, which were designed to monitor graft morphology
and graft blood flow. If the patient suffered from unexplained weight
loss, fever, gastrointestinal bleeding, anemia, thrombocytopenia,
hypoproteinemia, or lymphadenopathy during follow-up, they were informed
of the possibility of PTLD. Examinations, such as virological monitoring
(EBV and CMV), abdominal and lymph node B-ultrasound, gastrointestinal
endoscopy, and positron emission computed tomography (PET-CT), were
selected according to varying clinical manifestations of the condition.
Imaging examination revealed that patients with obvious abnormal lesions
could undergo surgery or gastrointestinal endoscopy to obtain biopsies,
which can subsequently facilitate efficient and targeted treatment
options based on different pathological manifestations.