8 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... there are four patterns ... low attenuation (table ... seen and in many cases ... 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
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... realise, that these patterns ... 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
Basic Interpretation ... the dominant HR-pattern ... there additional findings ... Diagnosis #Radiology #Pulmonary ... #Algorithm #ILD
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... Diagnosis #Radiology #Pulmonary
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
in normal lung, pulmonary ... disease, idiopathic pulmonary ... artifact); (G) UIP pattern ... #Correlation #Table ... #ILD #Findings
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
smoker with RB-ILD ... The dominant pattern ... mandatory for the interpretion ... 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)
A 39-year-old ... physical exam findings ... chest radiograph pattern ... defaulting to a normal interpretation ... Most commonly caused