• Investigative Magnetic Resonance Imaging
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• v.24 no.1
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• pp.46-50
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• 2020

Radiation-induced lumbosacral plexopathy (RILSP) is an uncommon complication of pelvic radiotherapy that can result in different degrees of sensory and motor deficits. An age 59 female with cervical cancer, who had received combined chemotherapy and radiation therapy two years before, presented with bilaterally symmetric lower-extremity weakness and tingling sensation. The magnetic resonance imaging showed diffuse T2 bright signal intensity and mild enhancement along the bilateral lumbosacral plexus with no space-occupying masses. RILSP was diagnosed after the exclusion of malignant and inflammatory plexopathies.

• Clinics in Shoulder and Elbow
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• v.3 no.2
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• pp.109-114
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• 2000

Ganglion cysts causing suprascapular nerve compression are uncommon cause of suprascapular nerve entrapment. The advent of magnetic resonance imaging and its application in patients with shoulder pain has improved the ability to diagnose cystic lesions causing extrinsic compression of the suprascapular nerve. We present two cases of suprascapular nerve compression by ganglion cyst which was decompressed by surgical excision. Suprascapular nerve compression was also revealed by magnetic resonance imaging(MRI), electromyogram(EMG) and clinical present of muscle atrophy and motor weakness. In each case, the symptom was resolved after sugical excision of the cystic lesion. We experienced two cases of suprascapular nerve entrapment by ganglion cyst and report the clinical, radiological and pathological findings in detail.

• The Korean Journal of Pain
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• v.10 no.1
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• pp.134-137
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• 1997

We report a case of cauda equine syndrome following caudal anesthesia possibly caused by metastatic spine tumor. Male, 80-year-old, who had prostatic carcinoma with $L_3$ and $L_4$ spine metastasis was scheduled for bilateral orchiectomy. Twenty two-gauge needle was introduced at sacral hiatus and 15 ml of 2% lidocaine administered. The next morning, patient complained of perineal numbness and urination difficulty. During the next several day patient had episodes of fecal incontinence and motor weakness on both lower extremities. This case reminded us that neuroaxial blocks such as spinal, epidural and caudal anesthesia, should be used with extreme care in patients having neoplasm with high incidence of spine metastasis.

• Journal of Korean Neurosurgical Society
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• v.46 no.5
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• pp.498-500
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• 2009

Dual origin and fenestration of the vertebral artery (VA) are very rare anomalies. Understanding of these variations, however, is important because they can be misdiagnosed as a VA dissection. A 42-year-old woman presented with motor weakness and sensory disturbance of the right upper extremity. Radiologic evaluations showed ectatic change in the right VA and an arteriovenous fistula between the right VA and the vertebral vein. We decided on endovascular occlusion of the proximal right VA and its fistulous portion. During the endovascular procedure, we had misunderstood the dual origin and fenestration of the VA as a dissection. Thus, failure to recognize these anomalies might result in unnecessary anticoagulation or therapeutic intervention. Clinicians should be alert to such VA variations when making a diagnosis and when planning any intervention or surgery involving the proximal VA.

• Journal of Korean Neurosurgical Society
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• v.44 no.2
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• pp.84-87
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• 2008

Spontaneous spinal epidural hematoma (SSEH) is rare in children. especially in infants, in whom only 12 cases have been reported. Because of the nonspecificity of presenting symptoms in children, the diagnosis may be delayed. We report herein a case of SSEH in a 20-month-old girl who initially presented with neck pain, and developed lower extremity motor weakness and symptoms of neurogenic bladder 2 weeks prior to admission. The magnetic resonance imaging showed an epidural mass lesion extending from C7 to T4, and the spinal cord was severely compressed by the mass. After emergency decompressive surgery the neurologic function was improved immediately. Two months after surgery, the neurological status was normal with achievement of spontaneous voiding. We suggest that surgical intervention can provide excellent prognosis in case of SSEH in infants, even if surgery delayed.

• Annals of Clinical Neurophysiology
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• v.19 no.2
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• pp.148-150
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• 2017

Peripheral neuropathy associated with hyper-IgE-emia have been rarely reported. Here we present a 72-year-old man with acute motor axonal neuropathy who had relatively poor prognosis. The serum was weakly positive for IgG GQ1b and GT1a, and serum IgE was significantly elevated. He was transferred to a rehabilitation center with Medical Research Council grade 3 lower extremity weakness on admission day 65. We would suggest that hyper-IgE-emia may increase the magnitude and rate of neural damage in this case.

• Journal of Korean Neurosurgical Society
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• v.41 no.4
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• pp.269-271
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• 2007

Follicular thyroid carcinoma with metastasis rarely manifests as spinal cord compression without any previous symptoms of its malignancy. This report describes a 64-year-old man with follicular thyroid carcinoma who presented initially with left arm motor weakness. Magnetic resonance images demonstrated severe cervical cord compression by a mass with destruction of C4 vertebra. Corpectomy of C4 and anterior interbody fusion was carried out. Histopathological study revealed a metastatic follicular carcinoma of the thyroid. We present our case, especially focused of its possible pathophysiology, with review of pertinent literatures.

• Journal of The Korean Society of Clinical Toxicology
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• v.4 no.2
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• pp.128-130
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• 2006

Phenytoin has been used globally as an effective anticonvulsant. Among its adverse effects, peripheral neuropathy including polyneuropathy has sometimes been reported. We report a case of sensorimotor polyneuropathy associated with high serum level and long-term phenytoin therapy. A 29-year-old male presented with motor weakness in all extremities. He was treated with phenytoin (400 mg/day) for about eight years because of generalized tonic clonic seizure. During none conduction assessment, sensorimotor polyneuropathy was discovered.

• Annals of Clinical Neurophysiology
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• v.4 no.1
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• pp.7-11
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• 2002

Among drug-induced myopathy, steroids are probably the most common cause. The risk of steroid myopathy(SM) increases with the dose and duration of use. It is typically a proximal myopathy, preferentially affecting the hip girdle muscles. Motor and sensory nerve conduction studies are normal. The needle EMG is usually within the normal range or may be minimally abnormal. Occasionally, low-amplitude, short-duration MUAPs may be seen in the proximal muscles. Of note, abnormal spontaneous activity is not seen. This point is often very useful in differentiating polymyositis(PM) from SM. It is common for patients with PM to be treated with steroids, respond well, and then have the steroids tapered. If muscle weakness then returns, it may be very difficult to differentiate recurrent PM from SM on clinical grounds. The presence of abundant abnormal spontaneous activity strongly suggests PM rather than SM.

• Annals of Clinical Neurophysiology
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• v.7 no.2
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• pp.127-129
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• 2005

We report a 29-year old female who developed bilateral femoral neuropathy combined with multiple abscesses in both thigh muscles. She was present with weakness in both lower extremities for 15 days and intermittent chilling sense for 3 months. Nerve conduction study showed complete absence of compound muscle action potentials in bilateral femoral nerves when stimulated at inguinal area. Electromyographic examination revealed no motor unit action potentials in both rectus femoris and vastus medialis muscles. CT revealed multifocal abscesses in bilateral thigh muscles. After antibiotic treatment, the patient's neurologic symptoms were improved.