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IETSC is a cancer of the spinal cord that involves hypoesthesia of all parts of the body associated with the affected spinal nerves. [5] The inability to convey information from the body to the central nervous system will cause a total lack of feeling in the associated regions. [citation needed]
Pallesthesia (\ˌpal-es-ˈthē-zh(ē-)ə\), or vibratory sensation, is the ability to perceive vibration. [1] [2] This sensation, often conducted through skin and bone, is usually generated by mechanoreceptors such as Pacinian corpuscles, Merkel disk receptors, and tactile corpuscles. [1]
They can cause neuropathy characterized by paresthesias, numbness, and pain in the hands and feet. Sensory and motor symptoms are commonly seen in patients treated with epothilone, which generally results in muscle weakness, while autonomic symptoms are rarely seen. The symptoms of this drug occur during treatment and tend to stop after completion.
The causes of nerve damage are grouped into categories including those due to paraneoplastic causes (neuropathy secondary to cancer), immune mediated, infectious, inherited or degenerative causes and those due to toxin exposure. In idiopathic sensory neuronopathy no cause is identified. Idiopathic causes account for about 50% of cases. [2]
The cause of this degeneration is unknown, but likely accounts for some of the signs and symptoms of the disorder, such as the loss of temperature differentiation and pin-prick sensation. The combination of increased pain signaling, and degeneration of pain-transmitting fibers, leads to a variable condition with signs and symptoms that can both ...
Those with femoral nerve dysfunction may present problems of difficulties in movement and a loss of sensation. [medical citation needed] The patient, in terms of motor skills, may have problems such as quadriceps wasting, loss of knee extension and a lesser extent of hip flexion given the femoral nerve involvement of the iliacus and pectineus muscles. [3]
It usually begins in the hands and feet and may progress to the arms and legs and sometimes to other parts of the body where it may affect the autonomic nervous system. It may be acute or chronic. A number of different disorders may cause polyneuropathy, including diabetes and some types of Guillain–Barré syndrome. [4] [5] [6]
Paresthesias are usually painless and can occur anywhere on the body, but most commonly occur in the arms and legs. [1] The most familiar kind of paresthesia is the sensation known as "pins and needles" after having a limb "fall asleep". A less well-known and uncommon paresthesia is formication, the sensation of insects crawling on the skin.