This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
In fracture of the olecranon, excision of the proximal fragment is indicated in all of the following situations except : 
Select and explain. 
A. Old united fracture, B. Non-articular fracture, C. Fracture extending to coronoid process, D. Elderly patient
C: Fracture extending to coronoid process
Answer: C: Fracture extending to coronoid process 
Explanation: Indications of proximal fragment excision in olecranon fracture :

Old ununited fracture.
Nonarticular fractures.
Open fractures with soft tissue viability questionable.
Fractures with extensive comminution (ORIF not possible).
Fractures in elderly.