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
Stage of neurocysticercosis in which a cyst is visible with scolex and with minimal edema is 
Select and explain. 
A. Vesicular, B. Colloidal, C. Granular, D. Calcific nodular
A: Vesicular
Answer: A: Vesicular 
Explanation: According to Escobar staging, stage of neurocysticercosis in which a cyst is visible with scolex and with minimal perilesional edema is Vesicular. In Colloidal stage, the cyst stas to disintegrate, with maximum edema. In Granular stage, it becomes thicker and the edema subsides. In the Calcific nodular stage, it becomes densely calcified with no edema.