As nouns the difference between ectopy and ectomy
is that ectopy is (pathology) the condition such that an organ or other body part has an abnormal position while ectomy is (medicine) any operation involving surgical excision or removal.
ectopy
English
Noun
(-)
(pathology) The condition such that an organ or other body part has an abnormal position.
Usage notes
The term appears to be a back-formation from the adjective ectopic, which came from the more common noun ectopia.
ectomy
English
Noun
(ectomies)
(medicine) Any operation involving surgical excision or removal.
See also
* ostomy