9 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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histiocytosis) - Bronchiectasis ... Honeycombing Most diseases ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... left multiple diseases ... #Pulmonary #CTChest ... #Comparison #Table ... #RadiologyAssistant
Tree-in-bud almost always indicates the presence of:
Endobronchial spread of infection (TB, MAC, any bacterial bronchopneumonia)
Airway disease
cystic fibrosis, bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #TreeInBud #Differential ... #RadiologyAssistant
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Centrilobular nodules - Bronchiectasis ... Growers (Runyon Classification ... Growers (Runyon Classification ... History of immunosuppressive ... #differential #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Endemic fungi: Histo ... #Radiology #differential ... #diagnosis #pulmonary
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Broncholithiasis - Differential ... Also known as: Lung ... Epidemiology: • M=F • Median ... pneumonia, • Bronchiectasis ... Tracheobronchial Diseases
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
some traction bronchiectasis ... like idiopathic pulmonary ... consider drug-related lung ... differential. ... #CTChest #DrugInduced
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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disease, like the ... seen in: - (post) infection ... #CTChest #MosaicAttenuation ... #Attenuation #Comparison ... #RadiologyAssistant
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... Skin exam for infection ... Medical history ... one post op Cardiology ... unless prior heart/lung