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
Widening of intercondylar notch of femur is seen in 
Select and explain. 
A. Osteoarthritis, B. Rheumatoid arthritis, C. Hemophiliac Artheopathy, D. Charcot's joint
C: Hemophiliac Artheopathy
Answer: C: Hemophiliac Artheopathy 
Explanation: None