13 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #HRCT #CTChest ... NodularPattern #Nodular #Pattern
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... four patterns: ... is interstitial lung ... Diagnosis #Radiology #Pulmonary
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... structures of the lung ... Diagnosis #Radiology #Pulmonary ... #Nodular #Pattern
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... on the basis of HRCT ... Diagnosis #Radiology #Pulmonary ... LowAttenuation #Differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... mm) nodules • Diffusely ... throughout the lungs ... PulmPEEPs #Miliary #Pattern ... #diagnosis #pulmonary
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... the dominant HR-pattern ... perilymphatic or random ... Diagnosis #Radiology #Pulmonary ... Interpretation #Algorithm
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... due to lung disease ... Interstitial lung ... and obstructive pattern ... #Diagnosis #Differential
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... in ground glass pattern ... Diagnosis #Radiology #Pulmonary ... #GroundGlass #Differential
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... LCDD, SS Cyst pattern ... Disease #DCLD #pulmonary ... #Algorithm #Diagnosis ... #differential
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... lymphadenopathy more diffuse ... involvement, irregular pattern ... Lymphoproliferative #Disorders #Classification ... #algorithm