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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.
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Prosthesis at the head of the femur applied in -
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The correct answer is  Non-united fracture means long-standing fracture which has not united. In terms of neck fract,ure non-union is considered when the fracture is not united even after 6 months.
For long-standing fracture in 65 years old male, the treatment of choice is prosthetic replacement either semi-replacement or total replacement depending upon the presence or absence of pre-existing arthritis.