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Epothilones cause microtubule disruption (like taxane-based drugs), which impairs axonal transport and leads to hyperexcitability of peripheral neurons. They can cause neuropathy characterized by paresthesias, numbness, and pain in the hands and feet.
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).
[12] [13] Neuropathic pain is common in cancer as a direct result of cancer on peripheral nerves (e.g., compression by a tumor), or as a side effect of chemotherapy (chemotherapy-induced peripheral neuropathy), [14] [15] radiation injury or surgery. [3]
Plasma perhexiline concentrations as low as 0.6mg/L> are known to cause nausea and dizziness; however, perhexiline is also known to cause hepatotoxicity and peripheral neuropathy at plasma concentrations >0.6mg/L. [9] [10] The symptoms of peripheral neuropathy include weakness or sensory loss and pain in the arms, hand, legs, and feet.
Sural nerve biopsy; biopsy is considered for those patients in whom the diagnosis is not completely clear, when other causes of neuropathy (e.g., hereditary, vasculitic) cannot be excluded, or when profound axonal involvement is observed on EMG. Ultrasound of the peripheral nerves may show swelling of the affected nerves. [32] [33] [34]
It could also cause diabetic retinopathy or peripheral neuropathy. Diabetic Retinopathy Symptoms People with diabetic retinopathy can develop bleeding in the gel-like fluid inside of their eyes.
[15] [16] [17] Whether CIPN arises, and to what degree, is determined by the choice of drug, duration of use, the total amount consumed and whether the patient already has peripheral neuropathy. Though the symptoms are mainly sensory – pain, tingling, numbness and temperature sensitivity – in some cases motor nerves are affected, and ...
A neuronopathy affects the cell body of a nerve cell in the peripheral nervous system. [5] Amyotrophic lateral sclerosis; Spinal muscular atrophy; Spinal muscular atrophy with respiratory distress type 1; Atypical motor neuron diseases; Dorsal root ganglion disorders