The Potential Utility of 18F-FDG PET/CT in Monitoring Corticosteroid Therapy in Inflammatory Pseudotumor

Author:

Sicilia Pozo María de las Nieves1,García Zoghby Laura2,López de la Osa García Aquilino3,Sotillo Sánchez Ricardo4,Poblete García Víctor Manuel1

Affiliation:

1. Department of Nuclear Medicine, University General Hospital of Ciudad Real, Ciudad Real

2. Department of Nuclear Medicine, University General Hospital of Toledo, Toledo

3. Internal Medicine

4. Pathological Anatomy, Virgen de Altagracia Hospital, Manzanares, Spain.

Abstract

Abstract A 69-year-old man with suspected gastrointestinal stromal tumor was referred to 18F-FDG PET/CT. Images showed increased metabolism in a jejunal wall thickening, 2 liver lesions, and hepatic lymph nodes. The patient underwent wedge biopsy of the liver, which revealed inflammatory pseudotumor. The patient was treated with 20 mg/d prednisone, with a gradual dose reduction. A partial metabolic response was achieved after 2 months of therapy, and a final PET/CT showed complete metabolic response after 9 months. This clinical case shows the potential role of PET/CT in the assessment of the response of the inflammatory pseudotumor to corticosteroid therapy.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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