13 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... lung disease and ... seen and in many cases ... #Diagnosis #Radiology ... #Pulmonary #CXR
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 ... #BOOP #pulmonary ... #ILD #diagnosis
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
pneumonitis; HRCT ... tomography; UIP = usual interstitial ... #pneumonitis #pulmonary ... #diagnosis #algorithm ... #HP #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... morphologic findings on HRCT ... of NSIP, UIP, OP ... #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
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
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Organizing pneumonia (OP ... acute shortness of breath ... this is nodular interstitial ... lung disease, that
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... Direct cytotoxic lung ... Exclusion of other ILDs ... confirmatory findings on HRCT ... LDH • ↑ ESR, CRP
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