Sarcoidosis

Radiological Manifestations

• Bilateral symmetrical hilar nodes
• Medaistinal nodes; unusual to see anterior mediastinal nodes
• Diffuse interstitial fibrosis
• Miliary nodules
• Alveolar lesions
• Progressive massive fibrosis
• Dominant bilateral upper lobe disease
• Type I: only nodes
• Type II: nodes and parenchymatous lesions
• Type III: only parenchymatous lesions - no evident lymphadenopathy
• Most common finding is spontaneous resolution
• Egg shell calcification of node

• Punched out lesions

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