Intradural Extramedullary Bronchogenic Cyst: Clinical and Radiologic Characteristics, Surgical Outcomes, and Literature Review

World Neurosurgery
Jian-Cong WengJun-Ting Zhang

Abstract

An intradural extramedullary bronchogenic cyst (IEBC) is a congenital malformation and an extremely rare type of endodermal cyst. This study aims to report the clinical and radiologic characteristics and surgical outcomes of IEBCs and to review the available literature. The medical records of 6 patients (3 female) with pathologically confirmed bronchogenic cysts involving the spinal cord between 2009 and 2016 were retrospectively reviewed, and follow-up evaluations were performed. Of the 6 symptomatic lesions, 4 were located in the cervical vertebra, 1 at the lumbar vertebra, and the remaining 1 at the craniocervical junction. Radiographs showed signals similar to cerebral spinal fluid on all magnetic resonance imaging sequences without contrast enhancement. Total resection was achieved in 3 patients. Histopathology revealed simple and pseudostratified respiratory epithelium with benign subepithelial mucous glands and fat components neighboring the cyst. After a mean follow-up duration of 49.2 months, 2 asymptomatic residual lesions regrew after nontotal resection. In previous literature including 19 cases, most IEBCs (84.2%) tended to be homogeneous and well demarcated on radiologic images, and 85.7% were not contrast enhancin...Continue Reading

Citations

Apr 30, 2020·British Journal of Neurosurgery·Satoshi TsutsumiHisato Ishii
Jul 15, 2020·The Canadian Journal of Neurological Sciences. Le Journal Canadien Des Sciences Neurologiques·Sana BasseriBenjamin Y M Kwan
Apr 19, 2021·The American Journal of the Medical Sciences·Longxiangfeng HuGuangcai Tang

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