On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary TB: random nodules of the same size. 3. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 4. Hypersensitivity pneumonitis: centrilobular nodules, notice sparing of the subpleural area. 5. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 6. TB: Tree-in-bud appearance in a patient with active TB. 7. Langerhans cell histiocytosis: early nodular stage before the typical cysts appear. 8. Respiratory bronchiolitis: ill defined centrilobular nodules of ground-glass opacity. #Clinical #Diagnosis #Radiology #Pulmonary #CTChest #Nodular #Pattern #NodularPattern #Differential #Comparison #Table #RadiologyAssistant
