19 results
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... Notice the centrilobular ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... CTChest #Nodular #Pattern ... #NodularPattern ... Differential #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... Centrilobular emphysema ... #Pattern #Comparison ... #Table #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... perilymphatic, random and centrilobular ... are visible, the pattern ... HRCT #CTChest #NodularPattern ... #Nodular #Pattern
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... low attenuation (table ... the most common pattern ... The cystic pattern ... When the cysts have
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... pneumonitis: ill defined centrilobular ... Hypersensitivity pneumonitis: centrilobular ... CTChest #Nodular #Pattern ... #Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... perilymphatic, centrilobular ... Centrilobular distribution ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... Pneumoconiosis • Centrilobular ... Antitripsyn Def • Cysts ... Infection, Aspiration, Cystic ... HighRes #Chest #CT #Patterns
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
linear branching pattern ... and centrilobular ... surrounded by centrilobular ... congenital causes like cystic
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Lab patterns seen ... Metabolism A table ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... Peds #Pediatrics #Table ... IEM #Laboratory #Patterns