8 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... low attenuation (table ... seen and in many cases ... Diagnosis #Radiology #Pulmonary
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 ... there additional findings ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Algorithm #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... on HRCT and histology ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Dyspnea - Differential ... Diagnosis Algorithm ... Artery Disease • Stable ... Chest Wall Abnormalities ... Interstitium • ILD
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
with subtle HRCT-findings ... The dominant pattern ... there is a broad differential ... mandatory for the interpretion ... Clinical #Radiology #CTChest
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
on a chest x-ray ... has a limited differential ... The most common causes ... or astmathics (ABPA ... Lobar #Collapse #Patterns
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... a predominant finding ... diagnosis (Table ... in interstitial pulmonary ... #HRCT #CTChest
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
A 39-year-old ... physical exam findings ... radiograph pattern ... defaulting to a normal interpretation ... Most commonly caused