CTICasesAortitis in systemic sarcoidosis
Imaging findings
CT angiogram shows circumferential wall thickening of the thoracic aorta and its major branches (aortitis) alongside mediastinal lymphadenopathy. PET/CT shows corresponding intense, symmetric FDG uptake in the aortic wall and lymph nodes.
Key takeaways
Aortitis is a rare manifestation of sarcoidosis, mimicking Takayasu arteritis. FDG-PET is essential to evaluate active arterial wall inflammation and monitor response to immunosuppressive therapy.
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