Internal medicine
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Case Reports
Sensory conduction study of cisplatin neuropathy: preservation of small myelinated fibers.
We report a patient with peripheral neuropathy caused by cisplatin for the treatment of testicular tumor. Routine studies of nerve conduction and somatosensory evoked potentials demonstrated large myelinated fiber neuropathy suggesting ganglioneuronopathy. We also performed a CO2 laser evoked potential study, and found that small myelinated fibers, which are related to pain sensation, were well preserved in this patient.
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A 47-year-old man was admitted because of acute lateral medullary syndrome with severe posterior cervical pain. Cerebral angiography was performed three hours after the onset, which demonstrated that two arteries branched separately from the right subclavian artery, ran upward and formed a single right vertebral artery (VA). ⋯ We thought the structure of these arteries was proximal vertebral artery anomaly and diagnosed him as having dissection of the vertebral artery. We consider that the proximal vertebral anomaly may be a risk for spontaneous VA dissection.