Cases reported "Low Back Pain"

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1/70. Thoracic disc herniation mimicking acute lumbar disc disease.

    STUDY DESIGN: Case report of a 49-year-old woman with a lower thoracic disc herniation mimicking acute lumbosacral radiculopathy. OBJECTIVE: To describe an unusual case of thoracic disc herniation mimicking acute lumbar disc disease. SUMMARY OF BACKGROUND DATA: Symptomatic thoracic disc herniation is rare and its clinical manifestations differ widely from those of cervical and lumbar disc herniations. Midline back pain and signs of spinal cord compression progressing over months or years are the predominant clinical features. Acute and subacute thoracic disc herniation occurs in less than 10% of patients, and isolated root pain is unusual. methods: A 49-year-old woman had acute low back pain radiation into the left buttock and the lateral aspect of the left leg and left foot. magnetic resonance imaging study showed a bulging disc and posterior osteophytes at T11-T12. RESULTS: Surgical removal of the herniated disc and osteophytes rapidly relieved her symptoms and neurologic deficits. A follow-up neurologic examination 3 years later showed normal motor and sensory functions, although low back soreness was noted occasionally. CONCLUSION: A case of thoracic disc herniation mimicking an acute lumbosacral radiculopathy is presented. Compression of the lumbosacral spinal nerve roots at the lower thoracic level after exit from the lumbar enlargement may be the mechanism for this unusual presentation.
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2/70. Bilateral posterior ischemic optic neuropathy after spinal surgery.

    PURPOSE: To report the association between bilateral posterior ischemic optic neuropathy and spinal surgery. METHOD: Case report. RESULTS: After prone-position spinal surgery of 8 hours' duration, a 68-year-old woman was completely blind in both eyes. Moderate periorbital edema and temporal conjunctival chemosis were present bilaterally. Ophthalmic examination disclosed normal-appearing optic nerve heads, except for bilateral nasal fullness related to bilateral optic nerve drusen, and no retinal edema. Immediate cerebral arteriography, magnetic resonance imaging, and electroretinography were normal. Visual-evoked response was not detectable, and 7 weeks later, severe bilateral optic nerve head pallor developed. CONCLUSIONS: Severe selective hypoperfusion of the retrobulbar optic nerves may occur after spinal surgery. pressure to the periorbital region may be a contributing factor.
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3/70. Atypical clinical presentation of ankylosing spondylitis.

    OBJECTIVES: To describe a subgroup of patients with ankylosing spondylitis (AS), whose disease evolved without the characteristic inflammatory back pain or significant disability. methods: Three patients who were diagnosed in their late 5th decade of life as having AS are described. Information about asymptomatic cases of AS or patients who were unaware of their disease was gathered from case reports and from studies involving HLA-B27-positive individuals. Another source of information derived from studies that investigated conditions known to be a complication of AS, such as heart block or aortic regurgitation. RESULTS: The data collected from the literature suggest that 1.5% to 10% of the patients with AS are asymptomatic or have very mild disease. These patients are diagnosed late in the course of the disease. CONCLUSIONS: Because of the mild nature of the symptoms, the real prevalence of atypical AS is unknown. The information gathered from the literature allows to delineate 4 subgroups of patients with AS: (1) Classic AS with characteristic clinical and radiographic manifestations; (2) Asymptomatic AS with characteristic radiographic findings; (3) Asymptomatic AS with extra-articular features as the presenting manifestations; (4) Symptomatic AS without radiographic supporting evidence. patients with asymptomatic or mild symptoms deserve more attention, because a better understanding of the factors that affect the expression of pain in different individuals may generate better pain control therapies.
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ranking = 0.37488008531241
keywords = block
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4/70. Deep venous thrombosis and pulmonary embolism as a complication of bed rest for low back pain.

    A case of bilateral lower extremity deep venous thrombosis and pulmonary embolism as a complication of bed rest prescribed for an acute low back pain episode is presented. A 29-year-old woman with low back pain was prescribed more than 2 weeks of bed rest, during which she developed progressive bilateral lower extremity complaints that were ascribed to nerve root irritation. Her symptoms were initially treated with physical therapy and epidural steroid injections. A Doppler examination and ventilation-perfusion scan revealed extensive deep venous thromboses and mismatches consistent with pulmonary embolism. This case illustrates an unusual extraspinal source of lower extremity symptoms associated with low back pain and further supports the role of early mobilization in the treatment of back pain.
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5/70. Giant cauda equina schwannoma. A case report.

    STUDY DESIGN: Case report. OBJECTIVES: To present a rare case of a giant schwannoma of the cauda equina. SUMMARY OF BACKGROUND DATA: Giant spinal schwannoma of the cauda equina, which involves many nerve roots, is rare and there is usually no ossification in the schwannoma. It is unknown whether or not complete excision is preferable if the tumor is located in the lumbar lesion. methods: A 57-year-old woman had a 10-year history of low back pain. Scalloping of the posterior surface of the vertebral bodies from L3 to the sacrum was found. magnetic resonance imaging disclosed a giant cauda equina tumor with multiple cysts. Central ossification revealed by computed tomography and an unusual myelogram made the preoperative diagnosis difficult. RESULTS: The patient underwent incomplete removal of the tumor, decompression of cysts, and spinal reconstruction. The tumor was proved to be a schwannoma. The postoperative course was uneventful and she has been almost free from low back pain for 3 years and 4 months. CONCLUSIONS: Giant schwannoma in the lumbar spine region is usually excised incompletely, because complete removal had the risk of sacrificing many nerve roots. In spite of the incomplete removal of the tumor, the risk of recurrence is low.
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keywords = nerve
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6/70. Two cases of reiterated Horner's syndrome after lumbar epidural block.

    We describe two young men with low back pain, who were given repeat lumbar epidural blocks for treatment of pain. They both developed reiterated unilateral Homer's syndrome. Computer tomography and myelography of the lumbar spine prior to the intervention showed signs of suspect disc herniation and sequelae after previous surgery.
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ranking = 1.874400426562
keywords = block
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7/70. Superior cluneal nerve entrapment.

    BACKGROUND AND OBJECTIVES: Pain due to superior cluneal nerve entrapment is an infrequent cause of unilateral low back pain. Here we present a case of acute unilateral low back pain treated by superior cluneal nerve (SCN) block. CASE REPORT: A 55-year-old woman presented to the outpatient clinic suffering from unilateral low back pain localized to right iliac crest and radiating to the right buttock. Her history was taken, physical examination was performed, and a thorough radiologic evaluation was performed to minimize radiculopathy and facet syndromes as causative. After transient pain relief with a diagnostic trigger point injection, entrapment of SCN was diagnosed and therapeutic nerve block with local anesthetic and steroid combination was performed. CONCLUSION: SCN is prone to entrapment where it passes through the fascia near the posterior iliac crest. Unilateral low back pain and deep tenderness radiating to the ipsilateral buttock are the clinical findings accompanying SCN entrapment. The case presented emphasizes the relief of possible SCN after limiting other etiologic causes of low back pain.
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ranking = 7.7497601706248
keywords = nerve, block
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8/70. synovial cyst of lumbar spine presenting as disc disease: a case report and review of literature.

    Synovial cysts most commonly involve the joints of the extremities. These cysts are rarely found in the spinal canal or the vertebral facet joints. However, if manifested as such, they can pose serious diagnostic and therapeutic problems due to the presentation, which most often resembles nerve root or spinal cord compression. Acute low back pain and radiculopathy are often attributed to a herniated nucleus pulposus. This paper presents a case of synovial cyst in a 62-year-old woman with a 2-year history of refractory low back pain with distal radiation. A facet joint cyst was encountered upon neuroimaging, resulting in excision of the cyst. In this report, we discuss the differential diagnosis of synovial cysts, the role of computed tomography and magnetic resonance imaging in the diagnosis, and treatment options for this uncommon entity.
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9/70. Sterile, benign radiculitis associated with lumbosacral lateral recess spinal canal stenosis: evaluation with enhanced magnetic resonance imaging.

    Two cases of symptomatic lumbar lateral recess stenosis are described in which the compressed nerve root became focally enhanced on magnetic resonance imaging (MRI) studies performed with gadolinium dtpa. Two men with low back pain and lumbar radiculopathy were examined with contrast-enhanced MRI studies, which showed intradural enhancement of the symptomatic nerve roots. In selected cases of lateral recess stenosis, focal radicular injury may be visualized on enhanced MRI as a result of a breakdown of the blood-brain barrier.
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keywords = nerve
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10/70. Failure of surgical decompression for a presumed case of piriformis syndrome. Case report.

    diagnosis of piriformis syndrome is difficult and its precise definition is highly controversial. In this article, the authors present the case of a patient who had clinical features suggestive of piriformis syndrome. During surgery the patient was found to have a rare variation in anatomical structures, in which the peroneal nerve was displaced by the piriformis muscle. Surgical decompression did not alleviate the patient's symptoms.
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