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Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution is ... Peripheral distribution is ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
zone preference is ... zone preference is ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... reticulonodular is ... Radiology #Pulmonary #HRCT ... Perilymphatic #Nodular #Differential ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... On HRCT there are ... Interstitial #Pattern #Differential ... #RadiologyAssistant
Cognitive bias cheat sheet - 
Because thinking is hard.

#Diagnosis #Metacognition #Cognitive #Biases #Types #Causes #Differential #MedEd
Cognitive bias cheat ... Because thinking is ... Types #Causes #Differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
In many cases a HRCT ... is needed to determine ... The HRCT - not shown ... This is quite specific ... Interstitial #Pattern #RadiologyAssistant
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
Multiple masses The differential ... multiple masses is ... Sometimes it is ... difficult to differentiate ... #RadiologyAssistant
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
The HRCT shows focal ... impaction, which is ... FingerInGlove #Sign #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
the distribution is ... distributed, it is ... Radiology #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential ... #Algorithm #RadiologyAssistant