system
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
A 50-year-old male presented to ohopedic OPD for regular follow up. He was being treated for an injury as marked (dissected specimen) in forearm in A. During examination, Doctor is eliciting the above sign. Patient felt tingling sensation on tapping distal to site of injury. What is the rate of growth of injured structure's stump?
assistant
The correct answer is  Tingling sensation on tapping nerve stump is known as Tinel sign. Presence of Tinel sign distal to site of injury indicates nerve stump is regenerating. Nerve stump grows at rate of 1-3 mm/day.