Also found in: Thesaurus, Medical, Encyclopedia.
Related to tylectomy: quadrantectomy


n. pl. ty·lec·to·mies

[Greek tulos, lump; see teuə- in Indo-European roots + -ectomy.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -ectomies
the surgical excision of a lump or tumour
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Mentioned in ?
References in periodicals archive ?
[27] Three types of surgery practised are; conservative surgery (lumpectomy, quadrantectomy, tylectomy, partial mastectomy or segmental mastectomy etc.), moderate surgery (modified radical matsectomy, simple mastectomy with axillary clearance etc.) and radical surgery (Halsted mastectomy, Extended radical mastectomy and supraradical mastectomy etc.).
These codes are 85.33 85.48 and 19180 19255 for mastectomy (i.e., total/simple or modified radical mastectomy) and 85.20 85.23, 40.3, 19120, 19125, 19126, 19160, 19162, 38740, 38745, and 38525 for BCS (i.e., segmental mastectomy, lumpectomy, quadrantectomy, tylectomy, wedge resection, excisional biopsy, partial mastectomy) with lymph node dissection.
Others were specimens removed by excisional biopsy, tylectomy, or total mastectomy.