13 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Attenuation pattern 1. ... Centrilobular emphysema ... #Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Attenuation pattern (2) 1. ... Centrilobular emphysema ... ; smoking history ... #Clinical #Radiology ... Cystic #Pattern #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : - LAM: round cysts ... Centrilobular emphysema ... Clinical #Diagnosis #Radiology ... Comparison #Table
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
measure less than 1 ... associated pulmonary ... emphysema. ... Clinical #Diagnosis #Radiology ... #Emphysema #Comparison
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
pneumatocele, emphysema ... #CXR #Lucency #Differential ... #Table #CavitaryLesion ... Lung #Pulmonary ... #Diagnosis #Radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
nodular pattern. 1. ... before the typical cysts ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Comparison #Table
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
CT Patterns - Differential ... Attenuation: • Emphysema ... Smoking, Alpha-1- ... Antitripsyn Def • Cysts ... #radiology
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... septal thickening: 1. ... #Clinical #Radiology ... Carcinomatosis #Mimic #Differential ... #Comparison #Table
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Take a thorough history ... Medical history ... event, follow ACC algorithm ... one post op Cardiology ... and surgical management