Therapeutic or Preventive Procedure
segmental mastectomy Audio
seg·men·tal mas·tec·to·my [ seg-men-tul ma-stek-toh-mee ]
Subclass of:
Mastectomy
Definitions related to segmental mastectomy:
  • The removal of a cancer as well as some of the breast tissue around the tumor and the lining over the chest muscles below the tumor. Usually some of the lymph nodes under the arm are also taken out. Also called partial mastectomy. (Cancer.gov)
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (mastectomy, segmental) Removal of only enough breast tissue to ensure that the margins of the resected surgical specimen are free of tumor.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • Background Lumpectomy is defined as an excision of a breast lump with a surrounding rim of normal breast tissue, as shown in the image below. Traditionally, a lumpectomy was performed only to diagnose a breast mass.
    Medscape
    WebMD, 2019
  • Lumpectomy (lum-PEK-tuh-me) is surgery to remove cancer or other abnormal tissue from your breast.
    Mayo Clinic
    Mayo Foundation for Medical Education and Research
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.