This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal Radiology, Subject name: Radiology
Rat Bite Erosions are seen in? 
Select and explain. 
A. Psoriasis, B. Gouty Ahritis, C. Osteoahritis, D. Ankylosing Spondylitis
B: Gouty Ahritis
Answer: B: Gouty Ahritis 
Explanation: *Rate Bite Erosions with over hanging edges(Maels sign) is feature of Gouty Ahritis Radiographs in Gout Marginal erosion with overhanging edge "Rat bite"