39 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Cytoplasmic Patterns ... Nuclear Patterns ... phenomenon - EJ, Jo-1, ... ARUPConsult @ARUPLabs #ANA ... #differential #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... low attenuation (table ... The cystic pattern ... in many cases UIP
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... 1. ... next to pleura and ... CTChest #Nodular #Pattern ... #Comparison #Table
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Lab patterns seen ... Metabolism A table ... from UpToDate and ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... IEM #Laboratory #Patterns
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... 1. ... multiple round and ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... (2) 1. ... fibrosis perihilar and ... HighAttenuation #Pattern ... #Comparison #Table
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
The table summarizes ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... pneumonia (OP) and
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 ... NodularPattern #Nodular #Pattern ... MultipleNodules #Nodules #Differential
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... 1. ... glass opacity and ... HighAttenuation #Pattern ... #Comparison #Table
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
: Subacute • Pattern ... anti-Mi-2, anti-TIF-1, ... : Subacute • Pattern ... or subacute • Pattern ... Insidious/slow • Pattern