Docetaxel-induced nail changes--a neurogenic mechanism: a case report (original) (raw)

Journal of neuro-oncology, 2002

Abstract

Docetaxel is a new taxoid widely used in chemotherapy for advanced breast cancer and other solid malignancies. Painful nail changes with onycholysis occur in about 40% of docetaxel-treated patients as a prominent adverse effect. We report a patient with a complete peripheral palsy of the right arm due to advanced breast cancer with diffuse tumor infiltration of the brachial plexus. Treatment with docetaxel led to onycholysis at all extremities except the paretic hand. Sensory and motoric innervation measured by nerve conduction studies showed a complete loss of large nerve fiber function of the right arm. Function of deep mechanosensitive A beta-fibers (quantitative vibrametry) was severely decreased, but not absent. Sympathetic reflexes (induced by deep inspiration and measured with laser Doppler flowmetry) were absent on the right side and skin temperature was decreased consistent with a complete sympathetic denervation. Small afferent fibers investigated by quantitative thermotes...

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