13 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... pneumonitis: ill defined centrilobular ... Hypersensitivity pneumonitis: centrilobular ... #Clinical #Radiology ... HRCT #CTChest #Nodular
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... pneumonitis: ill defined centrilobular ... Hypersensitivity pneumonitis: centrilobular ... bronchiolitis: ill defined centrilobular ... Clinical #Diagnosis #Radiology
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
Tree-in-bud In centrilobular ... irregular and often nodular ... or pus-filled) centrilobular ... Diagnosis #Pathophys #Radiology
The distribution of nodules shown on HRCT is the most important factor in making an accurate
diagnosis in the nodular ... perilymphatic, centrilobular ... Centrilobular distribution ... #Diagnosis #Radiology ... NodularPattern #Nodular
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... perilymphatic, random and centrilobular ... distribution is likely centrilobular ... #Diagnosis #Radiology ... NodularPattern #Nodular
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... ring sign'. - Centrilobular ... Clinical #Diagnosis #Radiology
Anti-IgLON5 Encephalitis - Ocular Examination

Female with 6 months h/o excessive daytime sleepiness, abnormal movements, dysarthria. On
Encephalitis - Ocular ... examination- neck drop, choreiform ... @bobvarkey #AntiIgLON5 ... #Encephalitis #Ocular
Sometimes the centrilobular opacities are more nodular in appearance as in this case. #Clinical #Radiology #CTChest
Sometimes the centrilobular ... opacities are more nodular ... #Clinical #Radiology ... HypersensitivityPneumonitis #Nodular ... #Centrilobular
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Low Attenuation Nodular ... Pneumoconiosis • Centrilobular ... Diagnosis #pulmonary #radiology
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
cavitary lesions, lobular ... consolidation, centrilobular ... Diagnosis #Pulmonary #Radiology