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Korean Journal of Head & Neck Oncology 1993;9(1):63-67.
Published online June 30, 1993.
A Syndrome of Carotid Sinus Hypersensitivity in a Patient with Nasopharyngeal Carcinoma
Hyung Gue Yoon;Jin Hyung Kang;Han Lim Moon;Jang Seong Chae;Hoon Kyo Kim;Kyung Shik Lee;Dong Jip Kim;Kwang Soo Lee;Sei Chul Yoon;Seung Ho Cho;Byung Do Suh
비인강암 환자에서 발생한 경동맥동 과민증후군
윤형규;강진형;문한림;채장성;김훈교;이경식;김동집;이광수;윤세철;조승호;서병도
Abstract
The syndrome of carotid sinus hypersensitivity is cardovascular symptom complex including lightheadedness, transient loss of consciousness, perspiration, pallor, weakness of lower extremities, transient hypotension, bradycardia and seizure, which occurs from firing of hyperactive carotid sinus reflex. Most cases are idiopathic, but maliganant tumors involving parapharyngeal space have been occasionally implicated. We present a case of carotid sinus hypersensitivity due to nasopharyngeal carcinoma invading the parapharyngeal space with bilateral cervical lymphnode metastases(stage IV, T₄N₂M(0)). The patient experienced several episodes of severe syncope proceeded by blurring of vision, dizziness and nausea, which were used to occur while he was working in erect position. The tumors were markedly regressed by external radiation therapy with successful resolution of syncope.
Key Words: Carotid sinus hypersensitivity, Nasopharyngeal carcinoma


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