9 results
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 ... common pattern ... seen and in many cases
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
- Pus - exsudate ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... Radiology #Pulmonary #CXR
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Algorithm Stridor ... pathology: • Blood: diffuse ... hemorrhage • Pus ... shallow breathing - Hypoventilation ... Hypoxemia #Hypoxia #differential
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
and Focal) Differential ... Diagnosis Algorithm ... planopilaris Pattern ... #Diagnosis #Algorithm ... #causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Goodpasture's cause ... capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... • IF staining patterns ... #diagnosis #management
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Myocarditis: • Diffuse ... Early-repolarization pattern ... leads • S1Q3T3 pattern
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Imaging Patterns ... Reversible course Differential ... the underlying cause ... with AEDs until cause ... Syndrome #diagnosis #management
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... (Alopecia) - Differential ... Diagnosis Algorithm ... planopilaris Pattern ... #causes
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... consolidation and GG pattern ... Pulmonary lymphoma, Diffuse ... ILD #diagnosis #management