10 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... pattern can be ... seen and in many cases ... #Pattern #Differential
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Nuclear Patterns ... : • Reticular/ ... SLE, SjS, CTD-ILD ... #differential #
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Multifocal ill-defined ... - Reticular interstitial ... Nodule - Multiple Masses ... Consolidation #Patterns
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Testing Cytoplasmic Patterns ... Reticular/AMA: ... SLE, SjS, CTD-ILD ... #Cytoplasmic #Patterns ... #differential #
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... other processes Workup ... strep, HIV • CTD workup ... BOOP #pulmonary #ILD
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Fetal HR Tracing - Causes ... Decelerations - Differential ... Diagnosis Algorithm ... > 25 bpm): • Mild ... hypoxia Sinusoidal Pattern
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... Auto-antibodies: ANCA antibody ... , Anti-GBM antibody ... Goodpasture's cause ... • IF staining patterns
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... chest film is a reticular ... patern and that's ... recognized that this pattern ... was caused by multiple
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... and bullous or vesicular ... inflammatory lesions-interstitial ... - (C-ANCA) pattern ... - (P-ANCA) pattern
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Anti-MDA5 (RP-ILD ... slow onset and pattern ... statins - probably caused ... #rheumatology #differential