18 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... four patterns: ... The cystic pattern ... interstitial pattern ... #Pattern #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... Radiology #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
interstitial pattern ... The HRCT demonstrates ... honeycombing and ... #Interstitial # ... Pattern #Honeycombing
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
serial dilution, a pattern ... significant • Pattern ... : The ANA patterns ... Patterns and Associated ... #patterns #rheumatology
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Lab patterns seen ... from UpToDate and ... Pediatrics In Review ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... IEM #Laboratory #Patterns
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... thickening in the reticular ... pattern. ... Radiology #Pulmonary #HRCT ... Perilymphatic #Nodular #Differential
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... resulting in lobar, diffuse ... opacities. 2- Interstitial ... fine or coarse reticular ... Consolidation #Patterns
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... has a limited differential ... Radiology #Pulmonary #HRCT ... SeptalThickening #Differential
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... incidental finding in HRCT ... gravitational and ... peribronchovascular interstitium ... #Pattern #Comparison
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... - Differential ... Lymphangitic Carcinoma, Interstitial ... HighRes #Chest #CT #Patterns ... #Differential #