High Rate of Abscopal Regression of Follicular Lymphoma after Low Dose Involved-Site Radiation Therapy Detected by FDG-PET Scans

We conducted a retrospective analysis to estimate the frequency of abscopal regression of follicular lymphoma (FL), detected by FDG-PET/CT scanning. Potential cases were identified from an institutional radiation therapy database. All FL patients treated with palliative involved site radiation therapy (ISRT) in a 3-year period were systematically reviewed. The cases of abscopal regression reported here met the following criteria. a) Palliative...