9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: ... low attenuation (table ... common pattern ... seen and in many cases ... UIP can be suspected
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Consolidation - Lobar ... consolidation - Diffuse ... Clinical #Radiology #CXR ... Consolidation #Patterns
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... pneumonia caused ... Radiology #Pulmonary #CXR
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... substances resulting in lobar ... , diffuse or multifocal ... Diagnosis #Radiology #CXR ... Consolidation #Patterns
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... morphologic findings on HRCT ... realise, that these patterns
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
characterized by diffuse ... The histologic pattern ... aswell as the HRCT ... are diffuse or ... AcuteInterstitialPneumonia #ILD
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
Lobar atelectasis ... The most common causes ... produces only mild ... Diagnosis #Radiology #CXR ... #Patterns #Comparison
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... consolidation and GG pattern ... , cavities • HRCT ... Pulmonary lymphoma, Diffuse
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
a chest x-ray (CXR ... chest radiograph pattern ... defaulting to a normal interpretation ... not seen on a CXR ... Most commonly caused