27 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... before the typical cysts ... #NodularPattern ... #Differential #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... Random refers to ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern ... Perilymphatic #Comparison
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular pattern ... perilymphatic, random ... is either random ... HRCT #CTChest #NodularPattern ... #Nodular #Pattern
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... bizarre shaped cysts ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Miliary TB: random ... CTChest #Nodular #Pattern ... #Comparison #Table
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
- Metastases: random ... : - LAM: round cysts ... CTChest #Cystic #Cysts ... #Differential #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... multiple thick walled cysts ... (LAM): regular cysts ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Overview of Pancreatic Cysts
True Epithelial Cyst
Serous Cystadenoma (SCA)
Mucinous Cystic Neoplasm (MCN)
Intraductal Papillary Mucinous Neoplasm (IPMN)
Cystic Neuroendocrine
of Pancreatic Cysts ... True Epithelial Cyst ... #Pancreatic #Cysts ... #comparison #table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Emphysema - Lung cysts ... low attenuation pattern ... Differential #Diagram #Comparison ... TractionBronchiectasis #Cysts
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... CTChest #Nodular #Pattern ... #Comparison #Table