20 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Sarcoidosis: nodules ... with perilymphatic ... #Clinical #Radiology ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Sarcoidosis: nodules ... with perilymphatic ... Sarcoidosis: nodules ... Comparison #Table #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... commonly seen in sarcoidosis ... the reticular pattern ... #Diagnosis #Radiology ... #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... Sarcoidosis: nodules ... with perilymphatic ... #Clinical #Radiology ... #Table #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... to distinguish perilymphatic ... are visible, the pattern ... #Diagnosis #Radiology ... #Algorithm #RadiologyAssistant
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
addition to the perilymphatic ... nodules, there ... #Clinical #Radiology ... #Perilymphatic ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... Unlike perilymphatic ... #Diagnosis #Radiology ... #Pattern #Distribution ... Comparison #Diagram #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... specific interstitial pneumonitis ... Sarcoidosis end-stage ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Low Attenuation Nodular ... TB, Fungal) • Perilymphatic ... Hypersensitivity Pneumonitis ... HighRes #Chest #CT #Patterns
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : perilymphatic ... Clinical #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant