11 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... before the typical cysts ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Pneumonitis, Respiratory ... Antitripsyn Def • Cysts ... Honeycombing: Idiopathic Pulmonary ... Infection, Aspiration, Cystic ... #radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... (LAM, LIP, Langerhans ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Emphysema #SignetRing #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... There is a lung cyst ... airways leading to pulmonary ... #Clinical #Radiology ... #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
90% are smokers, cysts ... Lymphoid interstitial pneumonitis ... #Clinical #Radiology ... #CTChest #Lymphangiomyomatosis ... #LAM #Cystic #RadiologyAssistant
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic ... Fibrosis H - Hypersensitivity ... caused by a rigid chest ... clearance: - Cystic ... #STARCHASERS #radiology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
distribution: Hypersensitivity ... pneumonitis, Respiratory ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... vascular diseases (e.g ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
attached to the chest ... There is a lung cyst ... airways leading to pulmonary ... #Clinical #Radiology ... #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
like idiopathic pulmonary ... fibrosis in chronic hypersensitivity ... #Clinical #Radiology ... #CTChest #DrugInduced ... DrugRelated #Fibrosis #RadiologyAssistant