This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pathology
Identigy the Rosette and Diagnosis. 
Select and explain. 
A. Perivascular pseudorosette, B. Homer Wright rosette, C. True rosette, D. Flexner Wintersteiner rosette
A: Perivascular pseudorosette
Answer: A: Perivascular pseudorosette 
Explanation: Ans. (a) Perivascular Pseudorosette*In this pattern, a spoke-wheel arrangement of cells with tapered cellular processes radiates around a wall of a centrally placed vesse*Seen in ependymomas