934 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM): uniform ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Aneurysm Morphology Types 
 - Fusiform Aneurysm 
 - Saccular Aneurysm 
 - Ruptured Aneurysm

#vascular #Aneurysm
Morphology Types - Fusiform ... Aneurysm #Types #Fusiform
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
CTChest #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Flexor Tenosynovitis (FTS)

The clinical diagnosis of FTS is made using Kanavel’s Signs:
 - Fusiform swelling.
 -
Kanavel’s Signs: - Fusiform
Aneurysms preferentially blossom in the Circle of Willis, with the anterior communicating artery (Acomm) being the
more likely than fusiform
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant