14 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 ... UIP can be suspected
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
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Subacute stage: - RB-ILD ... show very similar HRCT ... findings ... #Radiology #CTChest
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
aswell as the HRCT ... findings in AIP ... suggestive of the diagnosis ... Clinical #Radiology #CTChest ... #ILD #RadiologyAssistant
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
= nonspecific (nausea ... Multiorgan failure Findings ... AP, ↑INR, ↑BUN/Cr ... ↓Antithrombin Ill ... infiltration) Differential
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Diagnosis Framework ... heat illness → Hypernatremia ... Collapse: • Pathophysiology ... #diagnosis #causes
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
masses. ... dealing with the differential ... diagnosis of chronic ... The lab-findings ... Clinical #Radiology #CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... Blood cultures • CXR ... early disease) • CXR ... Lung Abscess Differential
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Diagnosis Framework ... Management Summary Causes ... ) • AKI: BUN/Cr ... Hyperuricemia • Hyponatremia
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 ... produces only mild ... #CXR #Lobar #Collapse