39 results
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lung diseases LIP ... I-JIP: usual interstitial ... AIP: acute interstitial ... CTILD #Diagnosis #Differential ... #Comparison #Table
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Lung Disease - Differential ... Pneumonia • (UIP ... Pneumonia • (DIP ... Pneumonia • (LIP ... #ILD #Causes #Differential
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... pneumonia (DIP) ... , Acute interstitial ... pneumonia (AIP) ... ILD #diagnosis #differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... imaging findings in interstitial ... low attenuation (table ... in many cases UIP ... #Pattern #Differential
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 ... predominance: UIP ... , NSIP, DIP. - Centrilobular ... #GroundGlass #Differential
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... unknown cause and interstitial ... listed in the table ... findings of NSIP, UIP ... , OP and LIP have
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Pneumonia on Lung POCUS ... POCUS lung exam ... Differential Bilat ... Pulmonary edema, ARDS, interstitial ... lung disease, interstitial
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Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
pneumonia and UIP ... HRCT #ChestCT #Differential ... #Table #Distribution
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
is seen in: - UIP ... HRCT #ChestCT #Differential ... #Table #Distribution
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP ... Cystic #Cysts #Differential ... #Comparison #Table