To obtain information on so-called abnormal sensation in the throat in other countries, inquiry letters were sent to foreign institutions and responses were obtained from Korea, Mainland China, Taiwan, Singapore, India, Austria, Germany, Netherlands, France, Hungary and USA. The inquiry contain e d questions on etiology, pathogenesis, age and sex of patients, tests and treatment. In we s tern countries, this condition was most frequently called globus hystericus syndrome or globus syndrome. In Chinese traditional medicine, the term _??__??__??_ (sensation of plum seed) has been used since the Ming dynasty. In most answers, fear of cancer was stressed as a psy c hogenic etiology. In USA, abnormal contraction of the cervical smooth muscles including the masticatory muscles was thought to be a possible cause of the disorders.
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