424 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Radiology #Pulmonary #HRCT ... Central #Peripheral #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Radiology #Pulmonary #HRCT ... #Upper #Lower #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
In many cases a HRCT ... The HRCT - not shown ... Interstitial #Pattern #RadiologyAssistant
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Left Upper Lobe Collapse ... An upper lobe collapse ... causes the collapse ... itself between the collapsed ... Luftsichel #Sign #LUL #Collapse
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... Emphysema #SignetRing #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Clinical #Radiology #HRCT ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Clinical #Radiology #HRCT ... Comparison #Table #RadiologyAssistant
Atraumatic Collapsed Athlete - Suggested Algorithm for Collapsed Athlete

In this review, the authors review that the
Atraumatic Collapsed ... Algorithm for Collapsed ... common causes of collapse ... approaching the collapsed
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Clinical #Radiology #HRCT ... Comparison #Table #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Clinical #Radiology #HRCT ... Comparison #Table #RadiologyAssistant