Abstract

Sarcoidosis is a rare disease with variable clinical presentation as it can involve different organ systems. Systemic vasculitis is a rare presentation of extra pulmonary sarcoidosis that can be fatal if undiagnosed. FDG PET/CT scan is a great modality in detecting both pulmonary and extrapulmonary manifestation of sarcoidosis. In this case report, we present a case of a 47-year-old lady with underlying pulmonary sarcoidosis stage 2 with sick sinus syndrome, who underwent FDG PET/CT scan to rule out cardiac sarcoidosis. The 18F-FDG PET/CT scan showed FDG avid disease in the lungs, lymph nodes and the vessels, suggestive of systemic vasculitis. If undiagnosed and untreated, it may lead to development of aneurysm and dissection. Immunosuppressive treatment using steroids and cytotoxic therapy can be life-saving in this condition and may lead to remission in some of the patients.

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