| mastectomy, segmental | Removal of only enough breast tissue to ensure that the margins of the resected surgical specimen are free of tumour. (12 Dec 1998) |
|---|---|
| mastectomy, simple | Removal of only the breast tissue and nipple and a small portion of the overlying skin. (12 Dec 1998) |
| mastectomy, subcutaneous | Excision of breast tissue with preservation of overlying skin, nipple, and areola so that breast form may be reconstructed. (12 Dec 1998) |
| prophylactic mastectomy | <procedure, surgery> Surgery to remove a breast before it has cancer. (16 Dec 1997) |
| segmental mastectomy | <procedure, surgery> A surgical procedure in which only a portion of the breast is removed, including the cancer and the surrounding margin of healthy breast tissue. (09 Oct 1997) |
| simple mastectomy | Excision of the breast including the nipple, areola, and most of the overlying skin. Synonym: total mastectomy. (05 Mar 2000) |
| subcutaneous mastectomy | <procedure, surgery> Surgical removal of the breast tissue but not the overlying skin. (16 Dec 1997) |
| total mastectomy | Excision of the breast including the nipple, areola, and most of the overlying skin. Synonym: total mastectomy. (05 Mar 2000) |
| acid radical | A radical formed from an acid by loss of one or more hydrogen ions; e.g., SO4-, NO3-. (05 Mar 2000) |
| radical | 1. <chemistry> An atom or or electrically neutral group that has one or more unpaired electrons. 2. <botany> Of leaves, clustered at the base of the stem. (09 Oct 1997) |
| radical cystectomy | Surgery to remove the bladder as well as nearby tissues and organs. (12 Dec 1998) |
| radical, free | In biochemistry, it is a group of atoms bonded together into an entity that is extremely reactive and shortlived. (a free radical is not a political extremist on parole.) (12 Dec 1998) |
| radical hysterectomy | Complete removal of the uterus, upper vagina, and parametrium. (05 Mar 2000) |
| radical mastoidectomy | An operation to exteriorise and join the mastoid air cells, the middle ear space, and the external meatus, often for extensive cholesteatoma. Synonym: tympanomeatomastoidectomy. (05 Mar 2000) |
| radical neck dissection | The most commonly performed major operation for head and neck malignancies, most of which are squamous cell carcinomas. The neck is opened laterally, the majority of the sternocleidomastoid muscle is removed, as are the regional cervical lymph nodes, the jugular vein, the spinal accessory nerve, the submaxillary gland and most of the parotid gland. There are several modifications. (12 Dec 1998) |