9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
on HRCT Most of ... disease comes from HRCT ... On HRCT there are ... patterns: reticular, nodular ... in many cases UIP
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Ground-glass opacity (GGO ... resolution of the HRCT ... predominance: UIP ... bronchiolitis #Diagnosis ... Radiology #Pulmonary #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... on the CXR. ... A HRCT is needed ... to confirm the diagnosis ... HRCT demonstrated
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... irregular lines, nodular ... , cavities • HRCT ... lower lung zone, GGO ... pulmonary #ILD #diagnosis
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 ... HR-pattern: reticular nodular ... Radiology #Pulmonary #HRCT ... #CTChest #Interpretation ... #Algorithm #ILD
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
The differential diagnosis ... centrilobular nodules ... are confluent, HRCT ... Clinical #Radiology #CTChest ... #GGO #MosaicAttenuation
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Hemoptysis • Coughing up ... centrilobular nodules ... parenchyma Diagnosis ... : • HRCT (high-resolution ... #differential #diagnosis
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
multiple pulmonary nodules ... Pleuritic chest ... • Reticular + Nodular ... pneumonitis Diagnosis ... confirmatory findings on HRCT