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SUMMARY: A 33 year old man developed bilateral leg weakness two years following radiotherapy to the pelvis and lower abdomen for the treatment of a seminoma. Clinical and electrophysiological examinations and nerve and muscle biopsies suggest that this is an example of either post-irradiation myelopathy selectively affecting the anterior horn cells in the lower spinal cord or a purely motor lumbo-sacral radiculopathy.
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Horowitz et al. (1983) studied this question.
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