Displays of F-18-FAPI PET/CT in Myocarditis With Variable Symptom Durations

We report cardiac F-18-FAPI PET/CT findings in 3 cases with myocarditis of varying duration (7 hours, 1 week, and 1 month). Myocarditis with varying symptom durations showed different F-18-FAPI uptake, suggesting that the F-18-FAPI PET/CT may be helpful in evaluating the extent of fibrosis caused by myocarditis. This information may assist in treatment decision-making for patients with myocarditis.

Automated summary

We presented cardiac F-18-FAPI PET/CT findings in 3 cases with myocarditis of varying duration. Different F-18-FAPI uptake was observed in myocarditis with different symptom durations, indicating the potential of F-18-FAPI PET/CT in evaluating fibrosis extent caused by myocarditis. This information may guide treatment decisions for patients with myocarditis.