10 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... the nodules are diffuse ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #NodularPattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #NodularPattern
Here are the most common examples of these four patterns on a chest x-ray (click image
on a chest x-ray ... consolidation - Diffuse ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Diagnosis #Clinical #Radiology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #Diagnosis #Radiology ... #Pulmonary #CXR
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 ... perilymphatic or random ... #Pulmonary #HRCT ... #CTChest #Interpretation ... #Algorithm #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
characterized by diffuse ... The histologic pattern ... #Clinical #Radiology ... #CTChest #AIP # ... AcuteInterstitialPneumonia #ILD
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
left a typical case ... Panlobular emphysema is diffuse ... the other hand, mild ... #Clinical #Radiology ... #CTChest #Panlobular
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
A 39-year-old ... American male in mild ... radiograph pattern ... Most commonly caused ... #Radiology #CTChest