14 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... central dot. - LIP ... Diagnosis #Radiology #CTChest ... #Cystic #Cysts ... #Table #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... cysts. ... Diagnosis #Radiology #CTChest ... #Cystic #Comparison ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... Radiology #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... (LAM): regular cysts ... Radiology #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... When the cysts have ... in many cases UIP ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
them from cysts ... the surrounding lung ... Cysts occur without ... Cysts usually contain ... #Cavity #Cyst #
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
Cystic lung disease ... Lung cysts are ... Cystic lung diseases ... listed in the table ... #Differential #
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... a thick wall Cyst ... #CXR #Lucency #Differential ... #Table #CavitaryLesion ... #Cavity #Cyst #
On the left a chest film of a patient with UIP due to IPF.
The findings on
a patient with UIP ... changes in the basal lung ... thick walls of the cysts ... film with long ... Reticular #ILD #RadiologyAssistant