20 results
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... cysts. ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Attenuation pattern 1. ... (LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Attenuation pattern (2) 1. ... multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison ... TractionBronchiectasis #Cysts
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
measure less than 1 ... the surrounding lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern(2) 1. ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Table #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... cyst in the upper ... is a possible diagnosis ... leading to pulmonary cyst ... #Clinical #Radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... a thick wall Cyst ... #Differential #Table ... CavitaryLesion #Cavity #Cyst ... #Diagnosis #Radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... When the cysts have ... #Diagnosis #Radiology