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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.
Peripheral neuropathy may be classified according to the number and distribution of nerves affected (mononeuropathy, mononeuritis multiplex, or polyneuropathy), the type of nerve fiber predominantly affected (motor, sensory, autonomic), or the process affecting the nerves; e.g., inflammation (), compression (compression neuropathy), chemotherapy (chemotherapy-induced peripheral neuropathy).
In the treatment of polyneuropathies one must ascertain and manage the cause, among management activities are: weight decrease, use of a walking aid, and occupational therapist assistance. Additionally, BP control in those with diabetes is helpful, while intravenous immunoglobulin is used for multifocal motor neuropathy.
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 vascular (blood) system can be affected by solid tumors. Between 15 and 25 percent of deep vein thrombosis is caused by cancer (often by a tumor compressing a vein), and it may be the first hint that cancer is present. It causes swelling and pain in the legs, especially the calf, and (rarely) in the arms. [19]
Neuropathic pain may occur in isolation or in combination with other forms of pain. Medical treatments focus on identifying the underlying cause and relieving pain. In cases of peripheral neuropathy, the pain may progress to insensitivity.