Pericardial sarcoidosis presenting as PUO diagnosed on FDG PET CT scan

Solav Shrikant Vasantrao; Patil Abhijit Mahaveer; Savale Shailendra Vasant; Salunke Deepak Vishnu

doi:10.22038/aojnmb.2019.38132.1255

Pericardial sarcoidosis presenting as PUO diagnosed on FDG PET CT scan

Asia Ocean J Nucl Med Biol. 2020 Winter;8(1):74-78. doi: 10.22038/aojnmb.2019.38132.1255.

Authors

Solav Shrikant Vasantrao¹, Patil Abhijit Mahaveer¹, Savale Shailendra Vasant¹, Salunke Deepak Vishnu²

Affiliations

¹ Consultant, SPECT Lab, Nuclear Medicine Services, Pune, Maharashtra, India.
² Director Niramaya Hospital, Chinchwad, Pune, Maharashtra, India.

Abstract

Pyrexia of unknown origin (PUO) is a common problem in day-to-day practice. FDG PET CT is an established investigation that aids in identifying the cause of PUO. Due to its high sensitivity PET detects an occult hypermetabolic focus in the body where CT helps in anatomical localization, vascularity, enhancement characteristics of the lesion detected on PET. It helps to differentiate benign versus malignant cause and target biopsy. Tuberculosis, lymphoma, pyelonephritis, thyroiditis appear hypermetabolic on FDG PET CT. Pericardial sarcoidosis is rare and not reported in literature as a cause of PUO. Presented here is a case of PUO secondary to pericardial granulomatosis diagnosed on PET CT. Cardiac MRI also helps in better tissue characterization and associated myocardial involvement of sarcoidosis. Histology confirmed the diagnosis of pericardial sarcoidosis in this case.

Keywords: FDG PET CT; PUO; Pericardial; Sarcoidosis.

Publication types

Case Reports