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Recognizing the azygos lobe: A case series detailing presentations and clinical implications
1Kansas City University College of Osteopathic Medicine, 2901 St Johns Blvd, Joplin, MO 64804, USA.
Radiology Case Reports
|August 4, 2026
Summary
An azygos lobe is a rare congenital anomaly found in 1.2% of patients. Recognizing this variant on chest imaging is crucial to prevent misdiagnosis and surgical complications.
Area of Science:
- Anatomy
- Radiology
- Thoracic Surgery
Background:
- An azygos lobe is an anatomical variant resulting from abnormal azygos vein migration.
- This anomaly forms an azygos fissure and a corresponding lobe, occurring in about 1.2% of individuals.
- While typically asymptomatic, it can mimic pulmonary pathologies on imaging.
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