10 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... are diffuse and ... #Nodular #Pattern ... #Differential #
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... pattern. ... Nodules are randomly ... #NodularPattern ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Miliary TB: random ... nodules of the ... #Pattern #NodularPattern ... #Differential #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... small (1 -4 mm) nodules ... • Diffusely distributed ... process or (rarely) diffuse ... CXR #clinical #CT
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Low Attenuation Nodular ... : • Random: Metastases ... #Patterns #Differential
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 ... : reticular nodular ... perilymphatic or random ... Interpretation #Algorithm
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... prognosis • Nodular ... lymphadenopathy more diffuse ... involvement, irregular pattern ... #algorithm
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... The differential ... centrilobular nodules ... are confluent, HRCT ... shows diffuse ground
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
GPA, pulmonary nodules ... vasculitis, ulcers, nodules ... Other tests: • CT ... seen on chest CT ... • IF staining patterns
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... cysts along with nodules ... septal thickening & nodules ... LCDD, SS Cyst pattern ... #Diagnosis #differential