11 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 visible, the pattern ... are diffuse and ... Radiology #Pulmonary #HRCT
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... perilymphatic distribution ... Clinical #Radiology #HRCT ... #Pattern #Comparison ... #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... perilymphatic distribution ... Clinical #Radiology #HRCT ... #Pattern #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
on HRCT is the ... pattern. ... The most peripheral ... Radiology #Pulmonary #HRCT ... #Pattern #Distribution
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... of distribution ... (batwing) or peripheral ... more than one pattern
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
- Bimodal Age Distribution ... prognosis • Nodular ... lymphadenopathy more diffuse ... involvement, irregular pattern ... Lymphoproliferative #Disorders #Classification
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Imaging: • CXR: Peripheral ... distribution of ... consolidation and GG pattern ... irregular lines, nodular ... , cavities • HRCT
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 ... Diffuse distribution ... LCDD, SS Cyst pattern
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... in a mosaic distribution ... centrilobular nodules ... are confluent, HRCT ... shows diffuse ground
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 ... central versus peripheral ... Interpretation #Algorithm