surgical removal of a breast. Simple mastectomy, performed for extensive but not necessarily invasive tumours, involves simple removal of the breast; the skin and if possible the nipple may be retained and a prosthesis (see breast implant) may be inserted under the skin to give the appearance of normality. When breast cancer has spread to involve the lymph nodes, radical mastectomy may be performed. This classically involves removal of the breast with the skin and underlying pectoral muscles together with all the lymphatic tissue of the armpit. This treatment may be followed up with radiotherapy and/or chemotherapy. In modern surgical practice a modified radical mastectomy, preserving the pectoral muscles, is more usual than the classical technique.
See also: lumpectomy

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  • Mastectomy — Intervention Mastectomy patient ICD 9 CM 85.4 …   Wikipedia

  • mastectomy — surgical removal of a breast, 1909, from Gk. mastos woman s breast (see MASTO (Cf. masto )) + ECTOMY (Cf. ectomy) …   Etymology dictionary

  • mastectomy — ► NOUN (pl. mastectomies) ▪ a surgical operation to remove a breast. ORIGIN from Greek mastos breast …   English terms dictionary

  • mastectomy — [mas tek′tə mē] n. pl. mastectomies [ MAST(O) + ECTOMY] the surgical removal of all or part of a breast, usually so as to remove cancerous tissue …   English World dictionary

  • mastectomy — /ma stek teuh mee/, n., pl. mastectomies. Surg. the operation of removing all or part of the breast or mamma. Also called mammectomy. [1920 25; MAST + ECTOMY] * * * Surgical removal of a breast, usually because of breast cancer. If the cancer has …   Universalium

  • Mastectomy — A general term for removal of the breast. usually to remove cancerous tissue. The operation can be done in a hospital or in an outpatient clinic, depending on how extensive it needs to be. It takes from two to three hours, with three to five… …   Medical dictionary

  • mastectomy — UK [mæˈstektəmɪ] / US noun [countable] Word forms mastectomy : singular mastectomy plural mastectomies medical a medical operation in which a woman s breast is removed …   English dictionary

  • mastectomy — [[t]mæste̱ktəmi[/t]] mastectomies N VAR A mastectomy is a surgical operation to remove a woman s breast …   English dictionary

  • Mastectomy, radical — Removal of all breast tissue, from just under the collar bone to the abdomen, including the chest wall muscles. The axillary lymph nodes are also removed. This operation is rarely used anymore, having first been replaced by the modified radical… …   Medical dictionary

  • Mastectomy, subcutaneous — Removal of breast tissue using a minimal incision. This type of mastectomy may be used to remove small areas of suspicious or cancerous tissue, but can also be a cosmetic surgery procedure. For example, subcutaneous mastectomy can reduce the… …   Medical dictionary

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