19 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... in interstitial lung ... low attenuation (table ... #Pulmonary #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... listed in the table ... on HRCT and histology ... #Diagnosis #Radiology ... #Pulmonary #CTChest
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... findings. ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... decades of life • History ... - Imaging: • CXR ... , cavities • HRCT ... , Pulmonary lymphoma
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
No pathological findings ... involvement, with “white lung ... structures help in the differential ... #Clinical #Radiology ... #CXR #ChestXRay
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... several month history ... The lab-findings ... #Clinical #Radiology ... #CXR #Peripheral
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Endemic fungi: Histo ... rarely typical pneumonia ... diagnosis #pulmonary ... #CXR #clinical
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... Blood cultures • CXR ... early disease) • CXR ... #Abscess #pulmonary ... #differential #
Based on the images alone, it is usually not possible to determine the cause of the
findings. ... Lobar pneumonia ... Pulmonary hemorrhage ... nodular interstitial lung ... #Radiology #CXR
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
Incidental Finding ... The differential ... Given her history ... #Clinical #PCC # ... Radiology #CXR #