13 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... low attenuation (table ... lung disease and ... #Diagnosis #Radiology ... #Pulmonary #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... morphologic findings on HRCT ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... A HRCT is needed ... at the lung bases ... #Clinical #Radiology ... UIP #Reticular #Interstitial
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... rare idiopathic lung ... The histologic pattern ... There are areas ... and extensive areas
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... , cavities • HRCT ... Pneumonia #COP #BOOP #pulmonary ... #ILD #diagnosis
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... cells results in a pattern ... differential diagnosis (Table ... #Diagnosis #Radiology ... #Pulmonary #HRCT
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... In most cases small ... peribronchovascular interstitium ... structures of the lung ... #Pulmonary #HRCT
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... is to describe areas ... #Differential #Table ... #Pulmonary #Diagnosis ... #Radiology
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... and spaces can cause ... travels from these areas ... and perivascular interstitium ... in subcutaneous areas
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
left a typical case ... to widespread areas ... the other hand, mild ... difficult to detect on HRCT ... #Clinical #Radiology