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Published on: February 8, 2019
Giant cell aortitis and Noonan syndrome
Shaji Menon1, Mary E Pierpont, David Driscoll
1Mayo Congenital Heart Center, Mayo Clinic, Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine, Rochester, MN 55905, USA. menon.shaji@mayo.edu
Noonan syndrome is linked to aortic aneurysms. This case report describes giant cell aortitis in a patient with Noonan syndrome, suggesting a potential connection to bone granulomas.
Area of Science:
- Cardiovascular Pathology
- Genetics and Rare Diseases
Background:
- Noonan syndrome is a genetic disorder associated with various congenital anomalies.
- Aortic root dilatation and aneurysms are recognized complications in Noonan syndrome due to connective tissue abnormalities.
Observation:
- An 18-year-old female with Noonan syndrome presented with progressive aneurysmal dilatation of the ascending aorta.
- Histopathological analysis of the aorta revealed giant cell aortitis.
Findings:
- This is the first documented instance of giant cell aortitis occurring in an individual with Noonan syndrome.
- The findings suggest a potential link between aortic aneurysms and giant cell granuloma of bone in Noonan syndrome patients.
Implications:
- This case expands the understanding of vascular manifestations in Noonan syndrome.
- It highlights the importance of considering aortitis in Noonan syndrome patients with aortic aneurysms and may offer insights into shared pathogenetic mechanisms with giant cell granuloma of bone.
Related Concept Videos
Aneurysm I: Introduction
Rheumatic Heart Disease I: Introduction
Aneurysm II: Clinical Manifestations and Diagnostic Studies
Myocarditis I: Introduction
Aortic Regurgitation I: Introduction
Aortic Regurgitation II: Clinical Features and Diagnostic Tests

