Cases reported "muscle weakness"

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1/575. Cervicomedullary astrocytoma simulating a neuromuscular disorder.

    A 12-year-old male developed progressive proximal upper extremity weakness over a 3- to 4-year period. The clinical findings of proximal upper extremity weakness and atrophy, prominent scapular winging, and no sensory deficits or upper motor neuron signs suggested a neuromuscular disorder. electromyography was consistent with a chronic denervating disorder involving the upper cervical anterior horn cells or their axons. A cervical magnetic resonance image revealed a large intramedullary mass extending from the inferior aspect of the fourth ventricle down to the level of T2. A biopsy of the lesion was consistent with a low-grade astrocytoma. ( info)

2/575. Manipulative management of post-colles' fracture weakness and diminished active range of motion.

    OBJECTIVE: To discuss the management of a patient with wrist weakness and a diminution in active range of motion resulting from colles' fracture. CLINICAL FEATURES: A 58-year-old woman complained of persistent loss of grip strength and mobility in her right wrist. These complaints were from colles' fracture occurring 19 months before initiation of care. Dynamometer and goniometric testing revealed significant loss of grip strength and range of motion compared with the uninvolved, nondominant wrist. INTERVENTION AND OUTCOME: Specific joint manipulation for improvement in mobility and grip strength of the wrist was performed. The patient's right wrist was evaluated for grip strength and active range of motion over a 3-week period, providing a baseline of function before treatment. After 4 visits of baseline measurements, a series of 4 treatments and 4 reevaluations was performed. The patient exhibited a significant increase in grip strength and active range of motion. CONCLUSION: Appropriate intervention of chiropractic manipulation and examination procedures culminated in a successful resolution of this case. When such cases are recognized, appropriate management may occur conservatively with judicious application of joint manipulation and reevaluation procedures. ( info)

3/575. Spinal arachnoid cyst with weakness in the limbs and abdominal pain.

    A 7-year-old male admitted with neck rigidity, severe pain in the abdomen, and progressive weakness in the lower limbs was diagnosed as having a spinal intramedullary arachnoid cyst. There was a dramatic and immediate recovery after fenestration of the cyst. ( info)

4/575. An uncommon mechanism of brachial plexus injury. A case report.

    PURPOSE: To report a case of brachial plexus injury occurring on the contralateral side in a patient undergoing surgery for acoustic neuroma through translabrynthine approach. CLINICAL FEATURES: A 51-yr-old woman underwent surgery for acoustic neuroma through translabrynthine approach in the left retroauricular area. She had a short neck with a BMI of 32. Under anesthesia, she was placed in supine position with Sugita pins for head fixation. The head was turned 45 degrees to the right side and the neck was slightly flexed for access to the left retroauricular area, with both arms tucked by the side of the body. Postoperatively, she developed weakness in the right upper extremity comparable with palsy of the upper trunk of the brachial plexus. hematoma at the right internal jugular vein cannulation site was ruled out by CAT scan and MRI. The only remarkable finding was considerable swelling of the right sternocleidomastoid and scalene muscle group, with some retropharyngeal edema. An EMG confirmed neuropraxia of the upper trunk of brachial plexus. She made a complete recovery of sensory and motor power in the affected limb over the next three months with conservative treatment and physiotherapy. CONCLUSIONS: brachial plexus injury is still seen during anesthesia despite the awareness about its etiology. Malpositioning of the neck during prolonged surgery could lead to compression of scalene muscles and venous drainage impedance. The resultant swelling in the structures surrounding the brachial plexus may result in a severe compression. ( info)

5/575. The exercise test in andersen syndrome.

    BACKGROUND: andersen syndrome is a rare form of periodic paralysis (PP) associated with dysmorphic features and potentially fatal cardiac dysrhythmias. To date, no electrodiagnostic abnormalities have been reported that can be used to confirm the presence of PP in this condition. OBJECTIVES: To determine if the exercise test could be used to confirm the diagnosis of PP in andersen syndrome. To evaluate the exercise test as a means to assess neuromuscular status during treatment. methods: We performed the exercise test on 2 patients with andersen syndrome. In 1 patient, we used a modified version of the test to document responsiveness to treatment with tocainide. RESULTS: Studies in both patients demonstrated a progressive decline in the compound muscle action potential amplitude after exercise that was characteristic of the phenomenon seen in other forms of PP. In 1 patient, improvement in interattack strength and a reduction in the number of attacks of weakness correlated with improvement in the test results. CONCLUSIONS: Our cases demonstrate that the exercise test can confirm the diagnosis of PP in andersen syndrome. A modified version of exercise testing may also be considered as an objective method for documenting treatment responses in PP. ( info)

6/575. Ankylosing spondylitis and multiple sclerosis.

    Ankylosing spondylitis can be associated with extra-articular involvement. Besides internal and ocular complications, neurological manifestations such as single root lesions, compression of the myelum or the cauda equina syndrome have also been described. We present a patient with ankylosing spondylitis who developed a monophasic myelopathy resembling multiple sclerosis. literature data show no conclusive evidence for an increased association of ankylosing spondylitis and multiple sclerosis. However, a monophasic myelopathy may be a separate neurological manifestation associated with ankylosing spondylitis. ( info)

7/575. MR imaging of Dejerine-Sottas disease.

    We report the MR findings in two patients with clinically and histologically proved Dejerine-Sottas disease. One patient had spinal involvement with multiple thickened and clumped nerve roots of the cauda equina; the second had multiple enlarged and enhancing cranial nerves. Although these findings are not specific for Dejerine-Sottas disease, they are suggestive of the diagnosis, which is further corroborated with history and confirmed with sural nerve biopsy and laboratory studies. ( info)

8/575. Autosomal dominant distal myopathy not linked to the known distal myopathy loci.

    The distal myopathies are clinically, pathologically and genetically heterogenous. Thus far, seven types of distal myopathy have been linked to four chromosome loci. We recently examined four affected members from three generations of an autosomal dominant distal myopathy kindred. A muscle biopsy was performed on the index case. Muscle histopathology showed non-specific myopathic findings including increased variation in fiber size and increased internalized nuclei. No abnormal inclusions or vacuoles were present. Microsatellite markers for the four distal myopathy loci on chromosomes 2, 9 and 14 were studied on affected and several unaffected family members. Affected patients developed distal weakness in anterior foreleg muscles followed by progressive distal upper and proximal lower extremity involvement. Chromosome 2, 9 and 14 regional markers were informative and demonstrated recombinations with affected individuals in the pedigree. The resulting LOD scores obtained from the multipoint analyses gave no evidence of positive linkage to any of the regions and positively excluded (lod score less than -2) all, or virtually all, of the candidate regions examined. This autosomal dominant distal myopathy family does not show evidence of linkage to any of the known distal myopathy loci, suggesting the existence of at least one more distal myopathy locus. Furthermore, the clinical and pathological features appear distinct from other previously described but genetically-undetermined autosomal dominant distal myopathies. ( info)

9/575. Successful plasmapheresis in the not-so-benign Bickerstaff's brain stem encephalitis associated with anti-GQ1b antibody.

    A patient with Bickerstaff's brain stem encephalitis (BBE) associated with anti-GQ1b antibody developed coma, severe weakness, and respiratory distress. The patient required ventilatory support. After having failed to improve on steroids, she was treated with plasmapheresis. She improved concomitantly with the plasmapheresis treatment and made a complete recovery. BBE associated with anti-GQ1b antibody is generally considered to be benign, and specific treatments have not been established. The results with this patient suggest that the condition is not always benign, and plasmapheresis may be beneficial in this disorder. ( info)

10/575. Application of a rheolytic thrombectomy device in the treatment of dural sinus thrombosis: a new technique.

    We present a novel application of a transvascular rheolytic thrombectomy system in the treatment of symptomatic dural sinus thrombosis in a 54-year-old woman with somnolence and left-sided weakness. The diagnosis of bilateral transverse and superior sagittal sinus thrombosis was made and the patient was treated with anticoagulant therapy. After an initial period of improvement, she became comatose and hemiplegic 8 days after presentation. After excluding intracerebral hemorrhage by MR imaging, we performed angiography and transfemoral venous thrombolysis with a hydrodynamic thrombectomy catheter, followed by intrasinus urokinase thrombolytic therapy over the course of 2 days. This technique resulted in dramatic sinus thrombolysis and near total neurologic recovery. Six months after treatment, the patient showed mild cognitive impairment and no focal neurologic deficit. Our preliminary experience suggests that this technique may play a significant role in the endovascular treatment of this potentially devastating disease. ( info)
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