RECIST 1.1 and Beyond: A Radiology Assistant Review

The Radiology Assistant reviews the RECIST 1.1 criteria for tumor response assessment, covering target lesion selection, measurement, and response categories, with a look at newer immunotherapy-specific criteria like iRECIST.

• Educational review of RECIST 1.1, foundational for oncologic imaging response evaluation.
• Discusses practical aspects: target lesion selection, measurement rules, and categorization of response (CR, PR, SD, PD).
• Highlights updates beyond RECIST 1.1, likely including iRECIST for pseudoprogression in the immunotherapy era.

RadPigeon summaries are original and for information only. They are not clinical advice.