Figure 2From: Cerebrotendinous xanthomatosis: a comprehensive review of pathogenesis, clinical manifestations, diagnosis, and managementPositron emission tomography (PET) imaging results in CTX: pulmonary system involvement. PET reveals a cyst with a gas-fluid level (16 × 20 mm, A and B) and a high-density lesion (12 × 14 mm, C) in the lung.Back to article page