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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All are true regarding brachial plexus injury,except -
assistant
The correct answer is  Preganglionic lesions have a poor prognosis as these do not recover and are surgically irreparable. Post ganglionic lesions have better prognosis than preganglionic lesions and histamine test is useful in making the distinction - Apley