13 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... , notice sparing ... Clinical #Radiology #HRCT ... #Pattern #Comparison ... #Table #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... and cardiogenic pulmonary ... #HRCT #ChestCT ... #Differential #Table ... #Distribution #Central
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... , notice sparing ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... Diagnosis of Central ... #Diagnosis #Central ... Cardiology #Causes #Table ... #Comparison
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
silica or coal) - Smoking ... - Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... along the central ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential #
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... emphysema: no walls, central ... Cystic #Cysts #Differential ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... low attenuation (table ... Diagnosis #Radiology #Pulmonary ... Interstitial #Pattern #Differential
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... multiple diseases showing ... thickening of the central ... Carcinomatosis #Mimic #Differential ... #Comparison #Table
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
initiation of smoking ... Lung #Diseases #pulmonary ... #differential # ... diagnosis #comparison ... #table #eosinophilia