鼓室神経叢ブロックが奏効した特発性舌咽神経痛2症例

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Two cases of idiopathic glossopharyngeal neuralgia are reported. Case 1 was a 43-year-old female, who visited our hospital with the chief complaint of attacks of severe pain located deep in the left ear, which lasted about 10 seconds and had been occurring more than ten times a day during the preceding 10 days. She was diagnosed as having the otitic type of idiopathic glossopharyngeal neuralgia classified by Bohm and Strang. Case 2 was a 71-year-old female, who visited our hospital because of the severe pain attacks which had begun 2 days previously. The pain initiated around the left tonsil, radiating deeply to the left ear, lasting approximately for 30 seconds and occurring dozens of times in one day. Its cause was also unknown and the patient was diagnosed as having the oropharyngeal type of the neuralgia of the same classification. Tegretol (carbamazepine) and other drugs were given and transoral glossopharyngeal nerve blocking with Xylocain (lidocaine hydrochloride) was performed on both patients without remarkable effect. Transtympanic injection of Xylocain, the so-called tympanic nerve block was then performed. The patients responded dramatically to the therapy and the symptoms have not recurred since then for more than 5 years in the case of the first patient and for 1 year and 9 months in the case of the second patient. It is, thus, emphasized that this new conservative technique should be applied once to glossopharyngeal neuralgia of any type at least in cases where operative therapy is not intended.
耳鼻咽喉科臨床学会の論文

鼓室神経叢ブロックが奏効した特発性舌咽神経痛2症例

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