Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
Bucillamine-induced Yellow Nail Syndrome with Chylothorax: A Case Report
Yukari HisamotoYoriyuki MurataKazuki MatsudaKoji NarikiyoTaiga KobayashiKosei YonezawaKeita MurakawaKazuki HamadaSyuichiro OhataToshiaki UtsunomiyaYoshikazu YamajiKeiji OishiMaki Asami-NoyamaNobutaka EdakuniTomoyuki KakugawaTsunahiko HiranoKazuto Matsunaga
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JOURNAL OPEN ACCESS Advance online publication

Article ID: 4935-24

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Abstract

Yellow nail syndrome (YNS), a rare condition characterized by thickened yellow nails, lymphedema, and respiratory manifestations, is rarely caused by bucillamine, an anti-rheumatic agent. Respiratory manifestations of YNS include chylothorax in 18.8%-22% of patients with pleural effusion. We herein report the first case of bucillamine-induced YNS with chylothorax. Lymphangiography revealed narrowing of the lymphatic vessels and stagnation of the lymphatic fluid, suggesting impaired lymphatic drainage. The chylothorax persisted despite the discontinuation of bucillamine. The present case illustrates that bucillamine can cause irreversible lymphatic impairment and chylothorax.

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© 2025 by The Japanese Society of Internal Medicine

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