Cases reported "Muscle Rigidity"

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1/75. Rigid spine syndrome. Case report.

    We describe a patient who had difficulty in walking since toddling stage and presented proximal upper and lower member weakness which have evolved to a progressive limitation of neck and trunk flexure, compatible with rigid spine syndrome. The serum muscle enzymes were somewhat elevated and the electromyography showed a myopatic change. The muscle biopsy demonstrated an active and chronic myopathy. The dna analysis through PCR did not display any abnormality for dystrophin gene. The dystrophin by immunofluorescence was present in all fibers, but some interruptions were found in the plasma membrane giving it the appearance of a rosary. The test for merosin was normal.
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keywords = muscle, neck
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2/75. 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.
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keywords = neck
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3/75. masseter muscle rigidity after vecuronium.

    masseter muscle rigidity after suxamethonium, usually occurring in children induced with halothane, is associated with malignant hyperthermia. A case is reported in which masseter muscle rigidity occurred in an adult following vecuronium. From the limited data available, this and two similar reported cases, it appears that non-depolarizing muscle relaxants can, very rarely, cause masseter muscle rigidity in adults. This masseter muscle rigidity may complicate airway management, but is unlikely to progress to generalized rigidity and malignant hyperthermia.
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ranking = 4.4942458013808
keywords = muscle
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4/75. Rigid spine syndrome. Two case-reports.

    Rigid spine syndrome is characterized by massive spinal rigidity, usually most marked in the cervical region. Stiffness of the peripheral joints is sometimes present. We report two cases. Patient 1 was a 12-year-old boy diagnosed at three years of age with Duchenne's muscular dystrophy because of delayed onset of walking. contracture of the Achilles tendons, flexion contracture of the elbows, and loss of motion of the cervical spine were the main findings during the current evaluation. Radiographs of the affected joints were normal. An electrocardiogram showed an incomplete left bundle branch block. Muscle enzyme activities were moderately elevated. A myopathic pattern was seen on the electromyogram. A muscle biopsy showed muscle fiber atrophy with peri- and endomysial fibrosis. Patient 2 was a 39-year-old man with a five-year history of isolated rigidity of the cervical spine thought to be due to a spondylarthropathy. Extension was the only movement possible at the cervical spine. The peripheral joints showed no motion range limitation. Findings were normal from radiographs of the spine and sacroiliac joints, an erythrocyte sedimentation rate determination, an electromyogram, and muscle enzyme activity assays. A muscle biopsy showed muscle fiber atrophy with peri- and endomysial fibrosis. DISCUSSION: Rigid spine syndrome is rare in rheumatological practice and can simulate a number of other muscle and joint diseases. Peri- and endomysial fibrosis may be strongly suggestive, although nonpathognomonic. Involvement of the heart governs the prognosis.
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ranking = 2.9961638675872
keywords = muscle
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5/75. The dropped head sign in parkinsonism.

    We describe seven patients who exhibited the dropped head sign in parkinsonism. These included six females and one male between the ages of 53 and 74. Three patients were clinically diagnosed as probable Parkinson's disease and four were diagnosed with probable multiple system atrophy. None had weakness in the posterior neck muscles or spasms in the anterior neck muscles. When the patients attempted to extend the head voluntarily or passively muscle contraction that was not seen in the dropped-head condition appeared. Surface electromyography of the neck indicated that the anterior neck muscles had rigidity. A gamma-block of the SCM muscles reduced the muscle activity when the head was elevated and improved the dropped-head condition slightly. These findings seem to indicate that the dropped head sign in parkinsonism could be associated with anterior neck muscle rigidity. Although the severity of the dropped head condition was affected by medication or by the clinical course in three patients, there was no clear relationship between the severity of the dropped head condition and the parkinsonism. We suspected that unbalanced muscle rigidity between the anterior and the posterior neck muscles could cause the dropped head sign.
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keywords = muscle, neck
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6/75. genetic heterogeneity of congenital muscular dystrophy with rigid spine syndrome.

    Rigid spine syndrome is a neuromuscular disorder characterised by early rigidity of the spine due to axial muscle contractures, generally associated with muscle weakness, limb-joint contractures, and often respiratory failure. This phenotype may be associated with several muscular diseases. In cases of merosin-positive congenital muscular dystrophies (CMD) with rigid spine syndrome, we have recently identified a new locus (RSMD1) on chromosome 1p35-36. In the present study, we report the clinical, morphological and genetic analysis of other patients affected by a CMD with rigid spine syndrome from nine consanguineous families. Homozygosity mapping showed that the disease was linked to RSMD1 in one of the nine families. The other families were excluded from RSMD1, and the patients presented highly variable phenotypes suggesting the involvement of more than one gene defect in rigid spine syndrome. Nevertheless, a subgroup of patients who never walked, and had very early rigidity of the spine and scoliosis, may be considered for further genetic analysis.
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ranking = 0.99872128919573
keywords = muscle
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7/75. amyotrophic lateral sclerosis with supranuclear ophthalmoplegia and rigidity.

    ophthalmoplegia is rarely reported in patients with amyotrophic lateral sclerosis (ALS). We describe a patient with sporadic ALS, who had developed progressive external ophthalmoplegia of supranuclear origin and rigidity in the neck. autopsy findings showed histopathological abnormalities consistent with ALS. In addition to these findings, there was neuronal loss and gliosis in the putamina and globi pallidi, and gliosis in the periaqueductal gray matter. Our case appears to raise the possibility that ALS comprises a heterogenous group of disorders.
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ranking = 0.0012787108042688
keywords = neck
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8/75. Three cases with different presentation of fentanyl-induced muscle rigidity--a rare problem in intensive care of neonates.

    We report about two newborns with sudden onset of inability of mechanical ventilation due to transient chest wall rigidity after fentanyl i.v. bolus of 2 and 4 microg/kg, respectively, resulting in severe hypoxemia and secondary bradycardia. A third case developed a rigidity of the tongue after fentanyl bolus, which created some unusual difficulties in bypassing the tongue for insertion an endotracheal tube. Because of common usage of this agent for analgesia we direct attention to the possibility of fentanyl-induced muscle rigidity. We underline the necessity of a slow bolus injection to prevent this dangerous adverse effect and we recommend the administration of naloxone and/or muscle relaxants as therapy in conjunction with mechanical ventilation.
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ranking = 2.9961638675872
keywords = muscle
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9/75. Vision loss associated with a stiff neck complicating strabismus surgery.

    An exotropic 60 year old suffered a scleral-choroidal penetration and vitreous hemorrhage during and after strabismus surgery on a highly myopic eye when her anesthetic airway management was complicated by her previously asymptomatic and unrecognized rigid cervical spine which placed both the surgeon and the anesthetist in disadvantaged positions both physically and medically. Restoration of vision and binocularity ultimately required vitrectomy and intraocular lens implantation.
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ranking = 0.0051148432170753
keywords = neck
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10/75. Quantitative assessment of Parkinson's disease deficits.

    OBJECTIVE: To quantitatively analyze the tremor and rigidity due to Parkinson's disease. methods: 38 patients with Parkinson's disease (PD) ranging in age from 45 to 72 years and 211 normal subjects aged from 16 to 76 years were investigated. The frequency and range of tremor, the muscle tone of the upper limbs in elbow were detected by a computerized video motion detecting system and a new invented apparatus which can detects skeletal muscle tone. RESULTS: For the PD patients, the frequency of resting tremors was detected in 4 to 6 per second. For extensor and flexor in the PD patients, the value of muscle tone was higher than that of normal subjects and the value of muscle tone in flexor was higher than that of extensor. The rigidity increased gradually with repeat passive movement. The curves of rigidity were shown on computer screen or printed out. The data of rigidity were compared with the M-A Scale. A patient who was suspected to suffer from PD above by the equipments and found the muscle tone was higher than normal. In another PD patient the rigidity was obvious at one side and the muscle tone in "normal side" was also high. These equipments were used to record changes of rigidity and tremor in one more PD patient taking with different drugs in order to see the drug effect. CONCLUSION: Quantitative methods are useful to analyse the motion disorders due to PD.
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ranking = 2.9961638675872
keywords = muscle
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