Orchidectomist

I was told by the doctor that a gentleman, who is an orchidectomist in my city, had said the only way to relieve the old man was to remove his testicles.

Source: wiktionary

I fear that their disappointment will be as keen and unpalatable as that of the orchidectomists in their pretentious claims for the cure of hypertrophied prostate[.]

Source: wiktionary

A glance through the columns will show the most enthusiastic orchidectomist that his claims for the necessity, or better results, of the procedure are not backed up by the facts.

Source: wiktionary

"The correct term would be orchidectomist I suppose, but they would probably prefer urologist" – John Moore.

Source: wiktionary