Chiene extirpated an ovary from a child of three; Neville duplicated this operation in a child one month younger; and Alcock performed ovariotomy on a child of three.
Successful ovariotomies are infrequent in the extremely aged.

Bennett mentions an instance in a woman of seventy-five, and Davies records a similar instance.

Borsini and Terrier cite instances of successful ovariotomy in patients of seventy-seven.

Carmichael performed the operation at seventy-four.

Owens mentions it at eighty; and Homans at eighty-two years and four months.