Nivolumab Immunotherapy-Related Skin Reactions Detected on 18F-FDG PET/CT in Renal Cell Cancer.

T, Thayumanavan; Goyal, Harish; Singh, Harmandeep; Das, Chandan K; Sekar, Aravind; Kumar, Rajender · Clin Nucl Med · 2022

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Abstract

Nivolumab, a fully human immunoglobulin G4 anti-programmed cell death 1 antibody, provides a novel therapy option for patients with metastatic cancers. Immunotherapy agents have been associated with immune-related adverse events (irAEs), which may be detected on 18F-FDG PET/CT. Cutaneous toxicities are one of the most common irAEs in the form of maculopapular rash (eczema-like spongiotic dermatitis) and pruritus. These irAEs may lead to false-positive findings on PET/CT done during the treatment. One should be aware of the potential irAEs while interpreting PET/CT to avoid misinterpretation.

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