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 ... The cystic pattern ... pattern on a CXR ... #Differential #
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... of Diffuse Cystic ... pattern not consistent ... DCLD #pulmonary #Algorithm ... #Diagnosis #differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Diagnosis Framework Reticular ... Antitripsyn Def • Cysts ... #CT #Patterns # ... Differential #Diagnosis
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 ... Pulmonary #HRCT #CTChest ... NodularPattern #Nodular #Pattern
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film is a reticular ... patern and that's ... recognized that this pattern ... caused by multiple cysts ... Radiology #CXR #CTChest
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... attenuation (emphysema, cystic ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Diagnosis Framework STEMI ... Myocarditis: • Diffuse ... Early-repolarization pattern ... leads • S1Q3T3 pattern
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
recent DAN) • EMG ... capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... • IF staining patterns ... Renal #Syndromes #differential
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
papules, pustules, cysts ... and pruritus (e.g ... Christmas tree pattern ... Varies with site, (e.g ... dermatology #rash #differential