Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 β€’ (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Lung Disease - Differential ... Diagnosis Algorithm ... common β€’ (NSIP ... #Causes #Differential
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 β€’ Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... pneumonia (NSIP ... pneumonia (AIP) ... #diagnosis #differential ... #pulmonary #causes
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... the alveoli) or interstitial ... in ground glass pattern ... , NSIP, DIP. - Centrilobular ... #GroundGlass #Differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... arthritis findings of NSIP ... , UIP, OP and LIP ... #Diagnosis #Radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... seen and in many cases ... UIP can be suspected ... #Diagnosis #Radiology ... #Pattern #Differential
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
GGO as dominant pattern ... This case is one ... of the possible patterns ... As in UIP (usual ... #Clinical #Radiology
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma; N, no; NSIP ... , non-specific interstitial ... ReverseHaloSign #Differential ... #Algorithm
In the images on your left you can appreciate again the spectrum of findings seen in
findings seen in NSIP ... fine reticular pattern ... #Clinical #Radiology ... #CTChest #NSIP ... NonspecificInterstitialPneumonia #ILD
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... outcome in many cases ... The histologic pattern ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
and non-specific interstitial ... patients with a UIP ... pattern or NSIP ... disease in the differential ... #Clinical #Radiology