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Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
Published on: December 19, 2020
COVID-19 pneumonia and the masquerades
Cheng Xie1, Maria Tsakok1, Samuel Channon-Wells1
1Department of Radiology, Churchill Hospital, Oxford University Hospital Trust, Old Road, Headington, Oxford, OX3 7LE, UK.
Diagnosing COVID-19 pneumonia with chest CT can be challenging due to overlapping patterns with other conditions like heart failure or infections. This essay provides imaging clues to aid radiologists in difficult differential diagnoses.
Area of Science:
- Radiology
- Medical Imaging
- Infectious Diseases
Background:
- Chest computed tomography (CT) is a crucial tool for diagnosing COVID-19 pneumonia.
- Classic CT findings for COVID-19 are established, but diagnosis is complicated by comorbidities.
Observation:
- Pre-existing conditions, especially in the elderly, can mimic or obscure COVID-19 CT patterns.
- Commonly encountered complicating factors include heart failure, opportunistic infections in immunocompromised patients, and thoracic trauma.
Findings:
- This imaging essay details specific scenarios where differentiating COVID-19 pneumonia from other thoracic pathologies is difficult.
- It highlights key imaging features that assist radiologists in narrowing the differential diagnosis.
Implications:
- Accurate interpretation of chest CT in complex cases improves diagnostic confidence for COVID-19.
- Understanding these imaging clues is vital for effective patient management during the pandemic and beyond.
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