Cases reported "Tarlov Cysts"

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1/4. Combination of lumbar kyphosis, epidural lipomatosis, and perineural cyst as a cause of neurological deficit: a case report.

    We describe the rare simultaneous occurrence of epidural lipomatosis and a perineural cyst at the same level, lumbar kyphosis, osteoporotic vertebral fractures, and neurological deficits. A 75-year-old corticosteroid-dependent female farmer presented with severe low back pain, progressive lumbar kyphosis, and inability to stand because of numbness and muscle weakness of both legs. Plain radiographs displayed markedly decreased bone density, significant lumbar kyphosis, and vertebral compression fractures of L2, L3, and L4. magnetic resonance imaging of the lumbar spine revealed a perineural cyst at the L2-3 level, extensive epidural lipomatosis, and spinal canal stenosis. laminectomy from L3 to L5 with resection of epidural fatty tissue restored her walking ability. We postulate that the osteoporotic fractures and epidural lipomatosis were induced by corticosteroid therapy. Preexisting degenerative lumbar kyphosis of the type commonly seen in elderly farmers could have promoted osteoporotic lumbar vertebral fractures at points where bending stress had been strongly exerted. The combination of a perineural cyst and epidural lipomatosis at the same level has not been reported previously.
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keywords = back pain, back
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2/4. abdominal pain secondary to a sacral perineural cyst.

    BACKGROUND CONTEXT: Perineural cysts are commonly found in the sacral region and are incidently discovered on imaging studies performed for the evaluation of low back and/or leg pain. PURPOSE: To report on a patient presenting with abdominal pain secondary to a large sacral perineural cyst. STUDY DESIGN/SETTING: Case report. methods/PATIENT SAMPLE: A 47-year-old woman was referred to a specialized multidisciplinary spine center with complaints of left lower quadrant abdominal pain and left leg pain. Of significant note was the presence of constipation and urinary frequency over the preceding 8 months. physical examination was normal. magnetic resonance imaging of the lumbosacral spine revealed large perineural cysts eroding the sacrum and extending to the pelvis. The presence of abdominal symptoms prompted a neurosurgical consultation. However, after considering the possible risks associated with the surgical procedure, the patient opted to follow the nonsurgical route. RESULT AND CONCLUSIONS: Although commonly visualized, sacral perineural cysts are rarely symptomatic. When symptomatic, it may be secondary to its size and location. Presence of abdominal pain in a patient with back and/or leg pain should prompt the evaluation of the lumbosacral spine.
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keywords = back, abdominal pain
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3/4. diagnosis-related pitfall of a lateral sacral cyst. Case report.

    Because physical examination typically demonstrates normal findings in cases of low-back pain, diaglosis of the cause can be challenging. Frequent magnetic resonance imaging studies of the lumbosacral spine can typically lead to discovery of benign diseases and thus misinterpretation of these images. The authors report an unusual case in which a functional ovarian cyst was incidentally associated with a perineural cyst and mimicked a lateral sacral meningocele. In light of this, the authors recommend repeated examinations to avoid mistakes.
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keywords = back pain, back
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4/4. Symptomatic Tarlov cyst: report and review.

    Tarlov or perineural cysts are nerve root cysts found most commonly at the sacral spine level arising between covering layers of the perineurium and the endoneurium near the dorsal root ganglion. The cysts are relatively rare and most of them are asymptomatic. Some tarlov cysts can exert pressure on nerve elements resulting in pain, radiculopathy and even multiple radiculopathy of cauda equina. There is no consensus on the appropriate therapeutic options of tarlov cysts. The authors present a case of two sacral cysts diagnosed with magnetic resonance imaging. The initial symptoms were low back pain and sciatica and progressed to cauda equina syndrome. Surgical treatment was performed by sacral laminectomy and wide cyst fenestration. The neurological deficits were recovered and had not recurred after a follow-up period of nine months. The literature was reviewed and discussed. This is the first reported case in thailand.
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keywords = back pain, back
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