This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroradiology, Subject name: Radiology
A Radiological sign of meningioma: 
Select and explain. 
A. "Mother-in-law" sign, B. Owl eye sign, C. Tiger eye sign, D. Inveed napoleon hat sign
A: "Mother-in-law" sign
Answer: A: "Mother-in-law" sign 
Explanation: *Meningiomas show intense contrast enhancement with Early enhancement and Delayed Washout (Early to come and Late to Go) which has been referred to as Mother in Law Sign *Owls eye sign - spinal cord ischemia *Tiger Eye Sign - Halloverden Spatz Disease *Inveed Napolean Hat Sign - b/l Spondylolisthesisof L5 over S1 in frontal pelvic radiograph