10 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic ... Chronic eosinophilic ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... Comparison #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Mosaic pattern with areas ... atenuation and areas ... The HRCT shows a ... Radiology #CXR #CTChest ... #Fibrosis #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... predominance: Respiratory ... Radiology #Pulmonary #CTChest ... #GroundGlass #Differential ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... included in the differential ... Clinical #Radiology #CTChest ... #Chronic #Hypersensitivity ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... Chronic stage: - ... show very similar HRCT ... Diagnosis #Radiology #CTChest ... Fibrosis #Mimic #ILD #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
aswell as the HRCT ... indistinguishable from acute respiratory ... The HRCT characteristics ... Clinical #Radiology #CTChest ... AcuteInterstitialPneumonia #ILD #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... wheezing, and inspiratory ... Diagnosis: • HRCT ... high-resolution chest ... Bronchiectasis #pulmonary #differential
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
There are patchy areas ... oligemic lung due to chronic ... Radiology #Pulmonary #CTChest ... #Attenuation #Differential ... #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... or fibrosis in chronic ... disease in the differential ... Clinical #Radiology #CTChest ... DrugRelated #Fibrosis #RadiologyAssistant
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
globally, excluding areas ... DIFFERENTIAL DIAGNOSIS ... the acute flare; chest ... syndrome - chronic ... an acute upper respiratory