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
A most common complication of scaphoid fracture 
Select and explain. 
A. Malunion, B. Avascular necrosis, C. Wrist stiffners, D. Arthritis
B: Avascular necrosis
Answer: B: Avascular necrosis 
Explanation: Avascular necrosis is associated with long-term steroid use and drinking too much alcohol. It's most common in people between the ages of 30 and 60 and often affects the hip.
Early stages may be symptom-free. Eventually, the affected joint may hurt when weight is put on it or when lying down.
Treatment includes physiotherapy, surgery and medication.