A Case of Uncommon Quadricuspid Aortic Valve Stenosis Associated With Noonan Syndrome and Acromegaly

Quadricuspid aortic valve (QAV) is a congenital aortic valve malformation usually associated with aortic regurgitation. We encountered a patient with Noonan syndrome (NS) who had severe QAV stenosis caused by degenerative aortic cusps with an unprecedented spherical cyst-like morphology. The patient...

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Main Authors: Chie Bujo, Kensuke Tsushima, Kan Nawata, Ryo Inuzuka, Aya Shinozaki-Ushiku, Genri Numata, Norifumi Takeda, Masaru Hatano, Hiroyuki Morita, Minoru Ono, Issei Komuro
Format: Article
Language:English
Published: American College of Physicians 2023-08-01
Series:Annals of Internal Medicine: Clinical Cases
Online Access:https://www.acpjournals.org/doi/10.7326/aimcc.2022.1356
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