neurosurgeryНейрохирургияRussian journal of neurosurgery1683-32952587-7569Издательский дом "МедИНК"10.63769/1683-3295-2015-0-3-38-43neurosurgery-200Research ArticleОРИГИНАЛЬНАЯ РАБОТАORIGINAL REPORTАНАТОМИЧЕСКИЕ ФАКТОРЫ В РАЗВИТИИ ТРИГЕМИНАЛЬНОЙ НЕВРАЛГИИ И ЕЕ РЕЦИДИВА ПОСЛЕ МИКРОВАСКУЛЯРНОЙ ДЕКОМПРЕССИИThe anatomical factors in development of trigeminal neuralgia and its relapses after microvascular decompressionРзаевДжамиль АфетовичRzaevD. A.d_rzaev@neuronsk.ruМойсакГалина ИвановнаMoysakG. I.g_moysak@neuronsk.ruАмелинМихаил ЕвгеньевичAmelinM. E.m_amelin@neuronsk.ruАмелинаЕвгения ВалерьевнаAmelinaE. V.amelina.evgenia@gmail.comКуликоваЕлена ВикторовнаKulikovaE. V.e_kulikova@neuronsk.ruФГБУ Федеральный центр нейрохирургииRussian FederationФГБУ Федеральный центр нейрохирургии; Новосибирский государственный университетRussian FederationФГБУН Конструкторско-технологический институт вычислительной техники СО РАНRussian Federation201505102015033843Copyright © Рзаев Д.А., Мойсак Г.И., Амелин М.Е., Амелина Е.В., Куликова Е.В., 20152015Рзаев Д.А., Мойсак Г.И., Амелин М.Е., Амелина Е.В., Куликова Е.В.Rzaev D.A., Moysak G.I., Amelin M.E., Amelina E.V., Kulikova E.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.therjn.com/jour/article/view/200

Цель: Изучение анатомических особенностей задней черепной ямки, которые могут иметь значение в развитии тригеминальной невралгии и возникновении ее рецидивов после микроваскулярной декомпрессии. Материалы и методы: В исследование включены 37 пациентов в возрасте от 22 до 83 лет и 10 человек контрольной группы. На изображениях, полученных с помощью последовательности Т2 3D-CISS и FIESTA, оценивались анатомические параметры корешков тройничных нервов и понтомезенцефальной цистерны. Результаты: Показатели площади поперечного сечения понтомезенцефальной цистерны и межтригеминального угла у больных достоверно отличались при сравнении с контрольной группой. Показатели переднезаднего размера понтомезенцефальной цистерны и длина корешка тройничного нерва на стороне болевого синдрома при невралгии были меньше. У больных с рецидивом лицевой боли выявлены малые размеры и асимметричность понтомезенцефальной цистерны, короткая интрацистернальная часть корешка и большой тригеминопонтинный угол на стороне патологии. Заключение: Анатомические особенности в виде малых размеров понтомезенцефальной цистерны, ее асимметрии, короткого корешка тройничного нерва на стороне болевого синдрома являются предрасполагающими факторами для развития тригеминальной невралгии и могут служить одним из прогностических критериев ее рецидива.

Objective: to examine the anatomical features of posterior cranial fossa which can pay a significant role in development of trigeminal neuralgia and its relapses after microvascular decompression . Material and methods: Our study includes 37 patients at the age from 22 till 83 years old and 10 healthy volunteers in control group. The anatomical parameters of trigeminal roots and pontomesencephalic cistern were assessed using the images obtained with the help of Т2 3D-CISS and FIESTA. Results: the measurement of cross-section area of pontomesencephalic cistern and intertrigeminal angle at patients were significantly differed while comparing with control group. The measurement of anteroposterior dimension of pontomesencephalic cistern and length of trigeminal root at the side of pain syndrome in case of trigeminal neuralgia were smaller comparing with “health” side. The small sizes and asymmetry of pontomesencephalic cistern as well as short intercisternal part of trigeminal root and huge intertrigeminal angle at the pathological side were revealed at patients with pain syndrome relapses. Conclusion: The following anatomical features as small sizes and asymmetry of pontomesencephalic cistern and short trigeminal root at the side of pain syndrome are the predisposing factors for development of trigeminal neuralgia and may be the prognostic factors for itsrelapses.

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The authors declare that there are no conflicts of interest present.