system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Most common congenital middle ear abnormality:
assistant
The correct answer is  (b) Fixation of footplate of stapes(Ref. Scott Brown, 8th ed., Vol 2, page 108)According to Teunissen and Cremers classification, the most common congenital anomaly of the middle ear is fixation of footplate of stapes.