Hemorrhagic lumbar synovial facet cyst secondary to transforaminal epidural injection:A case report and review of the literature
Hemorrhagic lumbar synovial facet cyst secondary to transforaminal epidural injection:A case report and review of the literature作者机构：Department of Orthopedic SurgeryUniversity of Toledo Medical Center
出 版 物：《World Journal of Orthopedics》 (世界骨科杂志（英文版）)
年 卷 期：2016年第7卷第7期
页 面：452-457页
学科分类：1002[医学-临床医学] 100210[医学-外科学(含：普外、骨外、泌尿外、胸心外、神外、整形、烧伤、野战外)] 10[医学]
主 题：Lumbar synovial cyst Hemorrhage Antiplatelet therapy Epidural injection
摘 要：A 64-year-old-female presented with progressive left foot weakness, low back and radicular pain after a left sided S1 transforaminal epidural steroid injection(ESI). Magnetic resonance imaging revealed left side L5-S1 large extradural heterogeneous mass with layering areas suggesting different stages of hematoma formation. Past medical history was significant for peripheral vascular disease and transient ischemic attacks, for which she took aspirin and clopidogrel(antiplatelet agent). These medications were discontinued one week prior to ESI. Although synovial cysts associated with facet arthropathy are common, hemorrhagic cyst is not. To the best of the authors knowledge, this is the first reported case of symptomatic hemorrhagic lumbar facet synovial cyst following ESI on a patient taking antiplatelet medications.
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