773 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
perilymphatic distribution ... Metastases: random distribution ... cysts, evenly distribution ... #Differential #Comparison
The distribution of nodules shown on HRCT is the most important factor in making an accurate
The distribution ... Perilymphatic distribution ... perilymphatic distribution ... Random distribution ... Perilymphatic #Comparison
Stevens-Johnson syndrome (SJS), Toxic epidermal necrolysis (TEN) and Overlap

 SJS-TEN overlap and TEN - Surface Epidermal
Epidermal #Necrolysis #Comparison ... #Dermatology #Distribution
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... Nodular #Pattern #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... perilymphatic distribution ... #Differential #Comparison
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
perilymphatic distribution ... Nodular #Pattern #Comparison
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
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non-gravity related distribution ... Lung #Ultrasound #Comparison
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
have a random distribution ... CTChest #MiliaryTB #Comparison
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
gravitational distribution ... #Differential #Comparison
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
strong lower zone distribution ... #CTChest #UIP #Comparison