Cases reported "Sciatic Neuropathy"

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1/16. sciatic neuropathy secondary to total hip arthroplasty wear debris.

    sciatic neuropathy after total hip arthroplasty can result from several causes. We present a case in which a large cystic mass developed around a failed total hip arthroplasty. The lesion extended through the greater sciatic notch and into the pelvis producing sciatic nerve compression. The diagnosis was delayed, and the patient underwent a laminectomy without relief of symptoms before an abdominopelvic computed tomography (CT) scan revealed the mass. After revision of the components and excision of the accessible portion of the lesion, the symptoms improved. Resolution of the intrapelvic portion of the mass was demonstrated on follow-up CT scan, suggesting that retroperitoneal resection of this type of lesion may not be required at the time of revision of the components.
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keywords = neuropathy
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2/16. Idiopathic sciatic mononeuropathy.

    sciatic nerve lesions are usually painful and secondary to compression, trauma, infarction or part of a systemic illness. The etiology is usually defined by radiographic or blood studies, or by exploratory surgery. In rare cases, as the one being presented, there is clear clinical and electrophysiological evidence for a lesion of the sciatic nerve, but no morphological correlate or defined etiology. These idiopathic sciatic mononeuropathies seem to occur in the nerves of the legs in young adults.
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keywords = neuropathy
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3/16. Peripheral nerve injury after brief lithotomy for transurethral collagen injection.

    Two patients with prior prostate surgery sustained peripheral nerve injuries after transurethral collagen injection for the treatment of urinary incontinence. In the first patient, brief lithotomy positioning caused a gluteal compartment syndrome and sciatic neuropathy. In the second patient, obturator neuropathy was due to leakage of collagen along the course of the obturator nerve. This is the first report of peripheral nerve injury in patients undergoing transurethral collagen injection.
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ranking = 0.59431446847022
keywords = neuropathy, peripheral nerve, peripheral
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4/16. sciatic nerve compression following bone marrow harvest.

    We describe a donor who suffered pain secondary to sacral plexus and sciatic nerve compression post bone marrow harvest. Haematoma was demonstrated by magnetic resonance image (MRI) scanning. To our knowledge, this is the first reported case of compression neuropathy post bone marrow harvest documented by MRI scanning. Given the increasing number of bone marrow transplants being performed and the paramount importance of donor safety, compressive neuropathies need to be remembered as rare but debilitating complications of bone marrow harvesting. MRI scanning is a useful modality to investigate severe or neuropathic pain post bone marrow harvest.
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ranking = 0.2
keywords = neuropathy
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5/16. The value of MR neurography for evaluating extraspinal neuropathic leg pain: a pictorial essay.

    SUMMARY: Fifteen patients with neuropathic leg pain referable to the lumbosacral plexus or sciatic nerve underwent high-resolution MR neurography. Thirteen of the patients also underwent routine MR imaging of the lumbar segments of the spinal cord before undergoing MR neurography. Using phased-array surface coils, we performed MR neurography with T1-weighted spin-echo and fat-saturated T2-weighted fast spin-echo or fast spin-echo inversion recovery sequences, which included coronal, oblique sagittal, and/or axial views. The lumbosacral plexus and/or sciatic nerve were identified using anatomic location, fascicular morphology, and signal intensity as discriminatory criteria. None of the routine MR imaging studies of the lumbar segments of the spinal cord established the cause of the reported symptoms. Conversely, MR neurography showed a causal abnormality accounting for the clinical findings in all 15 cases. Detected anatomic abnormalities included fibrous entrapment, muscular entrapment, vascular compression, posttraumatic injury, ischemic neuropathy, neoplastic infiltration, granulomatous infiltration, neural sheath tumor, postradiation scar tissue, and hypertrophic neuropathy.
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keywords = neuropathy
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6/16. Intraoperative positioning during cesarean as a cause of sciatic neuropathy.

    BACKGROUND: sciatic nerve compression has been well documented as a cause of perioperative sciatic neuropathy but rarely during cesarean. CASE: A parturient complained of left foot drop after cesarean delivery for twins performed under spinal anesthesia. Intraoperatively, her right hip was raised with padding under the right buttock to tilt the pelvis approximately 30 degrees to the left. Postoperatively, the patient had weakness, sensory changes, and diminished reflexes in the left lower extremity. Electrodiagnostic studies supported a diagnosis of neurapraxia and partial denervation in the distribution of the sciatic nerve. By postpartum week 6, she had full recovery. CONCLUSION: Elevating the right buttock during cesarean can cause compression of the underlying structures of the left buttock and result in sciatic neuropathy. Decreasing the duration of time the patient is in the left lateral position may reduce the risk of this uncommon but debilitating complication.
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ranking = 1.2
keywords = neuropathy
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7/16. Complete sciatic nerve palsy after open femur fracture: successful treatment with neurolysis 6 months after injury.

    Although relatively uncommon, peripheral nerve can be injured secondary to fracture or dislocation. As therapeutic strategies may vary with the status of the nerve involved, accurate diagnosis is critical. The case described in this report involves a complete sciatic nerve palsy occurring after an open femur fracture treated 6 months earlier. The palsy was erroneously attributed to ischemic neuropathy from compartment syndrome, but late surgical exploration showed that the sciatic nerve was in continuity but enveloped by scar. Neurolysis resulted in full motor and sensory recovery below the knee. Accurate interpretation of physical findings and neurophysiologic tests in the management of fractures associated with nerve injury is emphasized.
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ranking = 0.29715723423511
keywords = neuropathy, peripheral nerve, peripheral
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8/16. Antiphospholipid antibodies and ischemic neuropathy following cardiac surgery.

    sciatic nerve palsy is an uncommon complication of cardiac surgery and is thought to be induced by a combination of reduced femoral artery blood flow, small vessel vascular disease or prolonged hypoxia. We here describe a new case which is the first described with transient elevation of antiphospholipid antibodies. Although transient elevation of lupus coagulation inhibitor is known to occur frequently in patients treated in an intensive care unit, there are very few data about the possible role of antiphospholipid antibodies in the generation of ischemic neuropathies. We can not prove that the ischemic neuropathy in our case has been favored by the presence of lupus coagulation inhibitor and antiphospholipid antibodies as the occurrence of the symptoms seemed to precede the transient elevation of lupus coagulation inhibitor. This case suggests that antiphospholipid antibodies and lupus coagulation inhibitor should be included in the work up of patients who present nerve damage after cardiac surgery but further studies are needed to ascertain this association.
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ranking = 1
keywords = neuropathy
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9/16. sciatic nerve sarcoidosis: utility of magnetic resonance peripheral nerve imaging and treatment with radiation therapy.

    sarcoidosis may involve both the central and peripheral nervous system, although peripheral nerve manifestations are usually seen late in the disease. In this report, the authors describe a case of sarcoidosis in a 22-year-old woman who presented with a foot drop. Although results of conventional lumbar magnetic resonance (MR) imaging were normal, MR peripheral nerve imaging of the thigh showed a mass in the sciatic nerve indicating tumor. An intraoperative biopsy sample revealed noncaseating granulomas consistent with sarcoid. The patient was treated with steroid drugs to control the manifestations of her disease but exhibited early signs of femoral bone necrosis, which required discontinuation of the steroids. She was then treated with local radiation therapy. At her 2-year follow-up visit the patient demonstrated relief of her symptoms and improvement on MR peripheral nerve imaging. This case demonstrates that sarcoidosis may present with peripheral nerve manifestations. The appearance of a diffusely swollen nerve on MR imaging should prompt clinicians to include sarcoidosis in the differential diagnosis and plan surgery accordingly. patients who are not responsive to or who are unable to tolerate medical therapy may be treated with radiation therapy.
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ranking = 0.78534078133449
keywords = peripheral nerve, peripheral
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10/16. Xanthogranuloma of the sciatic nerve: case report.

    OBJECTIVE AND IMPORTANCE: Xanthogranulomas involving the central or peripheral nervous system are extraordinarily rare. None have been reported in the lower extremity. Here, we report and characterize the first case of xanthogranuloma of the sciatic nerve. CLINICAL PRESENTATION: A 58-year-old woman presented with poorly localized right back and groin pain. magnetic resonance imaging studies revealed an enhancing lesion of the sciatic nerve in the right gluteal region. INTERVENTION: The sciatic nerve xanthogranuloma was resected without complication. CONCLUSION: Our report indicates that xanthogranuloma, although extremely rare, may occur throughout the nervous system. Our evaluation demonstrates that such lesions involving the peripheral nervous system have similar pathological characteristics to xanthogranulomas that more commonly occur in the skin.
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ranking = 0.016165814907183
keywords = peripheral
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