13 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 ... pattern on a CXR ... #Differential #
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Cytoplasmic Patterns ... Nuclear Patterns ... : • Reticular/ ... #differential #
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
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... • Nucleolar: Diffuse ... @AnnKumfer #Antinuclear ... #patterns #rheumatology ... #diagnosis #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
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
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Testing Cytoplasmic Patterns ... Reticular/AMA: ... ARUPConsult @ARUPLabs #ANA ... #Cytoplasmic #Patterns ... #differential #
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... the lower lobes and ... some mosaic pattern ... Reticular abnormalities ... and signs of fibrosis
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
and Focal) Differential ... Diagnosis Algorithm ... planopilaris Pattern ... #dermatology #Differential ... #Diagnosis #Algorithm
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Disorders - Differential ... Diagnosis Algorithm ... lymphadenopathy more diffuse ... involvement, irregular pattern ... #algorithm