18F-AV45 PET-CT screening for systemic amyloidosis: A case report

This case highlights the patients with atypical clinical manifestations of AL amyloidosis, and the diagnosis should be made early to improve the prognosis. If there are risks and difficulties in pathological diagnosis, the cumulative organs can be indirectly evaluated with 18F-florbetapir positron emission tomography-computed tomography. Subsequent indirect diagnosis through less invasive, more accessible abdominal or rectal tissue.