24 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Smoking related diseases ... bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
sclerosis, Rheumatoid arthritis ... • Idiopathic pulmonary ... Churg Strauss syndrome ... Acute, Chronic • Pulmonary ... #differential #pulmonary
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
- Rheumatoid arthritis ... granulomatosis - Churg-Strauss ... syndrome - Giant ... cell arteritis ... #Diagnosis #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
PSS: Sjogren syndrome ... RA: rheumatoid arthritis ... ConnectiveTissueDiseases #ILD ... Differential #Comparison #Table ... #Pulmonary #Rheumatology
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
sinusitis - pulmonary ... Oral and genital Sores ... IgG4-related disease ... Differential #Diagnosis #Cardiology ... #Table
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Syndrome Definition ... erythematosus, Rheumatoid arthritis ... , biopsy By Tess ... differential #diagnosis #nephrology
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... rheumatoid lung disease ... due to alveolar syndrome ... #Correlation #Table ... #ILD #Findings
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
also uncommon HRCT-presentations ... some of them the old ... #Diagnosis #Radiology ... #Pulmonary #SHITFACED ... #Mnemonic #HRCT
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
interstitial lung disease ... low attenuation (table ... interstitial lung disease ... #Diagnosis #Radiology ... #Pulmonary #CXR