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26 Possible Causes for Clonus, Narrowing of Medullary Canal

  • Cervical Spondylosis

    Objective neurological deficit (upper motor neurone signs in the legs (eg, up-going plantars, hyperreflexia, clonus, spasticity); lower motor neurone signs in the arms (eg[patient.info] […] of the medullary canal [14].[termedia.pl] On physical examination, you may find some or many of the following: clonus or spasticity of the lower extremities sensory changes (light touch, pinprick sensation, or temperature[americannursetoday.com]

  • Myelopathy

    Physical examination revealed significant increase in deep tendon reflexes in the lower extremities and clonus. Hoffman's sign was positive in the left upper extremity.[ncbi.nlm.nih.gov] This narrowing in the lower back (lumbar canal stenosis) produces only radiculopathy (pinched nerve) because the tip of the spinal cord called the conus medullaris is at the[necksolutions.com] […] with radicular symptoms - 16% had pure myelopathic symptoms - 23% had a combination of myelopathic and radiculopathy - upper motor neuron findings such as hyper-reflexia, clonus[wheelessonline.com]

  • Cervical Myelopathy

    Motor weakness in the extremities Gait difficulties ("spastic gait," hesitant and jerky) Myelopathic or "upper motor neuron" findings such as spasticity, hyperreflexia, clonus[emoryhealthcare.org] This narrowing in the lower back (lumbar canal stenosis) produces only radiculopathy (pinched nerve) because the tip of the spinal cord called the conus medullaris is at the[necksolutions.com] Increased tension in the leg muscles (Hyperreflexia) Accentuated reflexes of the knee and ankle Forced extension of the ankle may cause the foot to beat up and down rapidly (clonus[dr-bertagnoli.com]

  • Camurati-Engelmann Syndrome

    Rarely, clonus [ Neuhauser et al 1948 ], sensory loss, slurred speech, dysphagia, cerebellar ataxia, and bowel and bladder incontinence are reported [ Carlson et al 2010 ][ncbi.nlm.nih.gov] Certain bone regions (specifically, the endosteal and periosteal surfaces) become abnormally thickened and hardened, which in turn narrows the medullary canal.[encyclopedia.com] […] reported Fatal cerebellar herniation reported Cerebellar ataxia reported Hyposmia reported Cranial nerve deficits in 38 % (Hearing loss, vision problems, facial paralysis) Clonus[orthopaedicsone.com]

  • Spinal Cord Compression

    Bilateral Babinski's sign and ankle clonus were positive. He had no bladder or bowel dysfunction.[ncbi.nlm.nih.gov] In a CT scan, a bony tumor rising from the posterior wall of the T3 body narrowing the spinal canal, and the MRI spinal cord compression at the same level and the hydrosyringomyelic[ncbi.nlm.nih.gov] Some of these signs include very brisk reflexes when tapping the correct spot below the knee cap, a bouncing reflex when the ankle is stretched called clonus, and unsteadiness[backpain-guide.com]

  • Narrow Cervical Spinal Canal

    There may be clonus and spasticity in the legs. Pulses and vascularity of the legs should be normal.[uscspine.com] TORG's method proposes that the index, smaller or equal to 0.80 identify a significant narrowing of the cervical canal diameter.[scielo.br] Hoffman sign, if present, has been shown to positively correlate with CSM. 11 A Babinski sign, ankle clonus, and Lhermitte phenomenon should be documented, if present.[now.aapmr.org]

  • Cervical Cord Compression

    This narrowing in the lower back (lumbar canal stenosis) produces only radiculopathy (pinched nerve) because the tip of the spinal cord called the conus medullaris is at the[necksolutions.com] Clonus . Upon forcing the ankle to extend, the patient's foot rapidly beats up and down. Babinski reflex .[spine-health.com] […] on the right, and no clonus on the left.[orthobullets.com]

  • Radiculomyelopathy

    […] on the right, and no clonus on the left.[orthobullets.com] The spinal cord terminates in the conus medullaris (L1), which then become lumbosacral roots (cauda equina) descending through the lumbar spinal canal.[consultant360.com] Myelopathic features are characterized by a more abrupt onset and include spastic paraplegia or quadriplegia, hyperreflexia, Babinski reflex, clonus, or a variety of sensory[fluoridealert.org]

  • Lower Motor Neuron Syndrome with Late-Adult Onset

    -progressive proximal limb weaknessweakness -bulbar-bulbar weaknessweakness  upper motor neuron diseasesupper motor neuron diseases - spasticity- spasticity  - clonus- clonus[slideshare.net] The spinal cord terminates in the conus medullaris (L1), which then become lumbosacral roots (cauda equina) descending through the lumbar spinal canal.[consultant360.com] […] hypotonia or hypertonia) – a decrease or increase in the baseline level of muscle activity decreased endurance exaggerated deep tendon reflexes including spasticity, and clonus[en.wikipedia.org]

  • Osteogenesis Imperfecta Type 3

    Examination now disclosed generalised hyperreflexia in the lower limbs with unsustained bilateral clonus.[jnnp.bmj.com] medullary canal), incorrect fracture healing in distal third of the left tibia, and irregular calcification of meta- and epiphysis of long bones (so-called “popcorn-like”[dovepress.com] The deep tendon reflexes were increased, particularly in the lower limbs, with non-sustained patellar clonus.[jnnp.bmj.com]

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