12 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... there are four patterns ... low attenuation (table ... Diagnosis #Radiology #Pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... mm) nodules • Diffusely ... typical pneumonia pathogens ... PulmPEEPs #Miliary #Pattern ... #diagnosis #pulmonary
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 ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Nodular #Pattern
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 ... not specific ANA Patterns ... Antibodies #ANA #patterns
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 ... Diagnosis #Radiology #Pulmonary ... #Table #RadiologyAssistant
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... cavities in an upper ... LCDD, SS Cyst pattern ... Disease #DCLD #pulmonary ... #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
FINDINGS: • AAV ... capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... of DAH) RENAL FINDINGS ... • IF staining patterns
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation of the upper ... discrepancies Findings ... in extremities, upper ... - (C-ANCA) pattern ... - (P-ANCA) pattern
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 ... random) Is there an upper ... there additional findings ... Diagnosis #Radiology #Pulmonary ... Interpretation #Algorithm
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
The dominant pattern ... emphysema in the upper ... there is a broad differential ... probably would be pulmonary ... would expect more pulmonary