{"title":"Trigeminal Neuralgia due to Venous Compression Successfully Transposed by Suprameatal Tubercle Drilling.","authors":"Katsuya Umeoka, Fumihiro Matano, Yasuo Murai","doi":"10.1272/jnms.JNMS.2024_91-608","DOIUrl":null,"url":null,"abstract":"<p><p>A patient with trigeminal neuralgia due to venous compression was successfully treated by transposition achieved by drilling the suprameatal tubercle. A 53-year-old woman presented with classical trigeminal neuralgia affecting the maxillary division of the right trigeminal nerve. MRI and CT revealed a bony prominence, called the suprameatal tubercle, above the opening of the internal acoustic meatus. MRI showed a thick venous flow void interposed between the suprameatal tubercle and trigeminal nerve. The patient underwent retrosigmoid craniotomy. The bony prominence restricted transposition of the compressed vein, so the compressed vein was successfully transposed after drilling the prominence. The patient's symptoms resolved completely. Drilling the suprameatal tubercle is useful for transposing sandwiched compression vessels.</p>","PeriodicalId":56076,"journal":{"name":"Journal of Nippon Medical School","volume":"91 6","pages":"586-589"},"PeriodicalIF":1.2000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Nippon Medical School","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1272/jnms.JNMS.2024_91-608","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MEDICINE, GENERAL & INTERNAL","Score":null,"Total":0}
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Abstract
A patient with trigeminal neuralgia due to venous compression was successfully treated by transposition achieved by drilling the suprameatal tubercle. A 53-year-old woman presented with classical trigeminal neuralgia affecting the maxillary division of the right trigeminal nerve. MRI and CT revealed a bony prominence, called the suprameatal tubercle, above the opening of the internal acoustic meatus. MRI showed a thick venous flow void interposed between the suprameatal tubercle and trigeminal nerve. The patient underwent retrosigmoid craniotomy. The bony prominence restricted transposition of the compressed vein, so the compressed vein was successfully transposed after drilling the prominence. The patient's symptoms resolved completely. Drilling the suprameatal tubercle is useful for transposing sandwiched compression vessels.
期刊介绍：
The international effort to understand, treat and control disease involve clinicians and researchers from many medical and biological science disciplines. The Journal of Nippon Medical School (JNMS) is the official journal of the Medical Association of Nippon Medical School and is dedicated to furthering international exchange of medical science experience and opinion. It provides an international forum for researchers in the fields of bascic and clinical medicine to introduce, discuss and exchange thier novel achievements in biomedical science and a platform for the worldwide dissemination and steering of biomedical knowledge for the benefit of human health and welfare. Properly reasoned discussions disciplined by appropriate references to existing bodies of knowledge or aimed at motivating the creation of such knowledge is the aim of the journal.
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