14 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP ... Clinical #Diagnosis #Radiology ... #Cysts #Differential ... Comparison #Table #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
(LAM, LIP, Langerhans ... on the basis of HRCT ... #Diagnosis #Radiology ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
pneumonia and UIP ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... in many cases UIP ... #Diagnosis #Radiology ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
is seen in: - UIP ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... predominance: UIP ... bronchiolitis #Diagnosis #Radiology ... #GroundGlass #Differential ... #RadiologyAssistant
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in ... UIP Honeycombing ... multilayered thick-walled cysts ... lymphadenopathy #Clinical #Radiology ... Pneumonitis #ILD #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
recognizable on HRCT ... Because of the cystic ... #Clinical #Radiology ... #Honeycombing #UIP ... UsualInterstitialPneumonia #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential ... #Algorithm #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... can heal and end up ... To differentiate ... Clinical #Diagnosis #Radiology ... Emphysema #Comparison #RadiologyAssistant