This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Complete Cochlear Dysplasia is known as? 
Select and explain. 
A. Michael Dysplasia, B. Mondini dysplasia, C. Bing Dysplasia, D. Scheibe Dysplasia
A: Michael Dysplasia
Answer: A: Michael Dysplasia 
Explanation: Ans. A Michael Dysplasia (Ref. Cochlear Implants: John Niparko 2nd/pg.48). Congenital inner ear malformations 1 Mondini Dysplasia, (Mondini malformation, Mondini defect) cochlea that is incomplete. A normal cochlea has two and a half turns, a cochlea with Mondini dysplasia has two, one and a half, one, or no turns (or increments). 2 Michael deformity Complete labyrinthine aplasia. 3 Bing-Siebenmann deformity Complete membraneous labyrinthine dysplasia. 4 Scheibe deformity Cochleaosaccular dysplasia (the most common form of congenital dysplasia of inner ear). 5 Alxeander's deformity Cochlaer Basal Turn dysplasia.