15 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 ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Emphysema #SignetRing #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... , in advanced disease ... in the adjacent lung ... hypertension • Mosaic ... of the affected lung
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... extending to the lung ... Cylindrical or traction bronchiectasis ... , CF, ILD, necrotizing ... #CT #Lung #Pulmonary
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... thromboembolic disease ... Diagnosis #Radiology #Pulmonary ... #CTChest #MosaicAttenuation ... #Differential #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
glass pattern in a mosaic ... enlargement of pulmonary ... thromboembolic disease ... Clinical #Radiology #CTChest ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... Illnesses: • Pulmonary ... Centrilobular nodules - Bronchiectasis ... complicate MAC pulmonary ... • Dyspnea, • Chest
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Signs of fibrosis ... mid and lower lung ... proteinosis and other diseases ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
The predominant finding is ground glass opacity (GGO).
There is very subtle traction bronchiectasis, indicating that the
subtle traction bronchiectasis ... common interstitial lung ... Clinical #Radiology #CTChest ... NonspecificInterstitialPneumonia #ILD ... #RadiologyAssistant
The predominant finding is ground glass opacity (GGO).
There is very subtle traction bronchiectasis, indicating that the
subtle traction bronchiectasis ... common interstitial lung ... Clinical #Radiology #CTChest ... NonspecificInterstitialPneumonia #ILD ... #RadiologyAssistant