• World Neurosurg · Oct 2019

    Case Reports

    Full-endoscopic resection of Ligamentum Flavum cyst in Lumbar Spine - A Case Report.

    • Sagar B Sharma, Guang-Xun Lin, and Jin-Sung Kim.
    • Department of Neurosurgery, The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, South Korea.
    • World Neurosurg. 2019 Oct 1; 130: 427-431.

    BackgroundCysts of the ligamentum flavum (LF) are rare occurrences, with only a few cases reported in literature. They are a result of age-related degenerative changes in the LF. The cyst compresses the neural elements and causes neurogenic symptoms. Endoscopic resection of the LF cyst has not been described in literature. In this report, we describe our experience with endoscopic resection of an LF cyst in the L3-L4 region.Case DescriptionA 54-year-old female patient presented with claudication in both lower limbs and evidence on magnetic resonance imaging of a LF cyst in the L3-L4 region compressing the neural elements. The patient underwent full endoscopic resection of the LF cyst through the interlaminar approach from the left side with preservation of facet joints. The postoperative clinical outcomes improved significantly, and postoperative magnetic resonance imaging revealed a complete removal of the cyst.ConclusionsFull-endoscopic resection may be considered as a viable option for treatment of LF cyst in the lumbar region.Copyright © 2019 Elsevier Inc. All rights reserved.

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