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Ninety brachial plexus lesions have been examined by myelography and the results classified into six types. These were compared against the level of lesion found at exploration of the brachial plexus with electrophysiological investigations carried out during the operation. The results show that myelography can be a reliable and useful pre-exploratory measure to assess the level of the lesion of each injured root.
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Nagano et al. (1989) studied this question.
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