Intraspinal Lumbar Juxtaarticular Cyst Treatment Through CT-Guided Percutaneus Induced Rupture Results in a Favorable Patient Outcome. Kursumovic A, Bostelmann R, Gollwitzer M, Rath S, Steiger H, Petridis A. Percutaneous CT-Guided Treatment of Lumbar Facet Joint Synovial Cysts. AJR Teaching File: An Uncommon Cause of Spinal Canal Stenosis. Spinal Synovial Cysts: Pathogenesis, Diagnosis and Surgical Treatment in a Series of Seven Cases and Literature Review. Boviatsis E, Stavrinou L, Kouyialis A et al. Aspirated material from synovial cysts may be thin or thick, straw colored, or transparent depending on the underlying intra-articular disease. Lumbar Facet Joint Synovial Cyst: Percutaneous Treatment with Steroid Injections and Distention-Clinical and Imaging Follow-Up in 12 Patients. Synovial cyst represents a focal extension of joint fluid due to herniation of synovial tissue into the surrounding soft tissue that can communicate with joint cavity. From a pathophysiological point of view a synovial cyst represents a focal. The synovial lining is the characteristic histological feature that distinguishes them from other juxta-articular fluid collections 1, 2, 6, 8. Synovial Cysts of the Lumbosacral Spine: Diagnosis by MR Imaging. Synovial cysts are defined as juxta-articular fluid collections that are lined by synovial cells 1, 2. Liu S, Williams K, Drayer B, Spetzler R, Sonntag V. Symptomatic Intraspinal Synovial Cysts: Opacification and Treatment by Percutaneous Injection. Bjorkengren A, Kurz L, Resnick D, Sartoris D, Garfin S. It manifests itself by a lump that develops on the top or front of the. The cysts do not always possess the signal characteristics of a simple cyst, so contrast administration may be needed in some cases. It is important to remember that they are a cause of peripherally enhancing masses in the extrathecal space anywhere along the spinal canal. A cyst is a pouch like a balloon filled with a viscous liquid called synovial fluid. Neural-based cysts can usually be differentiated by imaging as these cysts show intimate relation with the adjacent nerve, rather than with the adjacent joint spaceĬalcification within cyst wall appears low signal intensity on both T1 and T2 weighted images whereas hemorrhagic cysts display increase intensity compared to CSF likely due to T1 shortening from methemoglobin. The knee joint is filled with a clear fluid (synovial fluid) that acts as a lubricant to help reduce friction within the joint. Gas within the cyst is pathognomonic for a synovial cystįacet joint cysts may contain complex fluid as a result of internal debris or hemorrhage However, communication with the joint space after intra-articular injection with contrast reliably differentiates the two. This entity cannot be reliably distinguished from ganglion cyst on standard MRI. CT may also show adjacent facet joint arthropathy +/- the presence of gas. Typically seen as a calcified cystic lesion adjacent to a facet joint 3.
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