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 ... reticular, nodular, high ... low attenuation (table ... Diagnosis #Radiology #Pulmonary
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... CTChest #Nodular #Pattern ... NodularPattern #Differential ... #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 ... Diagnosis #Radiology #Pulmonary ... #Table #RadiologyAssistant
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 ... Diagnosis #Radiology #Pulmonary ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
cavities in an upper ... LCDD, SS Cyst pattern ... presentations - ILD ... Disease #DCLD #pulmonary ... #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... inflammation of the upper ... in extremities, upper ... - (C-ANCA) pattern ... - (P-ANCA) pattern
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
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Case A 39-year-old ... American male in mild ... sounds on the upper ... chest radiograph pattern ... wall following high
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 ... pneumonia (esophagus upper ... #rheumatology #differential
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
excluding areas with high ... DIFFERENTIAL DIAGNOSIS ... dominant inheritance pattern ... likelihood of an acute upper ... not have a known pathogenic