Otosclerosis - Otosclerosis is an abnormal growth of bone near the middle ear.
https://en.wikipedia.org/wiki/Otosclerosis
Otosclerosis: MedlinePlus - Otosclerosis is an abnormal bone growth in the middle ear that causes hearing loss.
https://medlineplus.gov/ency/article/001036.htm
Stapedectomy - Stapedectomy is a very successful surgical treatment for deafness that is caused by the medical condition otosclerosis.
https://www.stapedectomy.co.uk/
