The word "lithectomy" is typically spelled as it is pronounced. The IPA phonetic transcription for "lithectomy" is /lɪθɛktəmi/. The first syllable is pronounced with a short "i" sound, followed by a "th" sound, and then the "eh" sound. The second syllable is pronounced with a short "e" sound, then the "k" sound, "t" sound, and "uh" sound, and finally the "mee" sound for the third syllable. The word "lithectomy" refers to the surgical removal of a stone or calculus from a duct or organ.
Lithotomy.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.