51 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... four patterns: ... low attenuation (table ... seen and in many cases
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
and Cytoplasmic Patterns ... Nuclear Patterns ... • Homogeneous pattern ... SLE, SjS, CTD-ILD ... #differential #
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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The fourth pattern ... - Emphysema - Lung ... low attenuation pattern ... on the basis of HRCT ... LowAttenuation #Differential
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... correlation in normal lung ... artifact); (G) UIP pattern ... Clinical #Diagnosis #HRCT ... #Table #ILD #Findings
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern ... #Comparison #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... morphologic findings on HRCT ... realise, that these patterns
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... Radiology #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern ... MultipleNodules #Nodules #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... as a reticular pattern ... with a reticular pattern ... at the lung bases ... This pattern was
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Lab patterns seen ... Metabolism A table ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... Peds #Pediatrics #Table ... IEM #Laboratory #Patterns