excision

1. The act of cutting out; the surgical removal of part or all of a structure or organ. SYN: resection (3). 2. In molecular biology, a recombination event in which a genetic element is removed. SYN: exeresis. [L. excido, to cut out]
- loop e. a diagnostic and therapeutic gynecological surgical technique for removing dysplastic cells from the cervix. SYN: loop electrosurgical e. procedure, loop resection.In this office procedure, a small wire loop is used to excise visible zones of abnormal epithelium from the uterine cervix. Like cautery, cryosurgery, and CO2 laser procedures, loop e. is a simple and inexpensive way of removing dyplastic cells. Unlike these procedures, it provides a specimen so that the lesion can be studied histologically and the completeness of its removal assessed. The cervix is first prepared with acetic acid and iodine solutions to enhance the demarcation of abnormal areas. Under local anesthesia and with colposcopic visualization, lesions are quickly undercut with a disposable loop electrode. The risk of complications (bleeding, severe postoperative pain, infection, cervical stenosis) is low. The success rate of the loop electrosurgical e. procedure, as defined by the absence of cytologic, histologic, or colposcopic evidence of abnormality 4–48 months after therapy, is 80–90%. Although loop e. does not cure human papilloma virus (HPV) infection, it offers excellent prognosis in HPV-induced dysplasias by removing transformation zone epithelium, which is most susceptible to such changes. The procedure is not appropriate for severe dysplasia or carcinoma in situ, which are treated by cervical conization.

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ex·ci·sion ik-'sizh-ən n surgical removal or resection (as of a diseased part)
ex·ci·sion·al -'sizh-nəl, -ən-əl adj

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ex·ci·sion (ek-sizhґən) [L. excisio, from ex out + caedere to cut] removal of a portion or all of an organ or other structure. Called also resection and ectomy.

Medical dictionary. 2011.

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  • excision — [ ɛksizjɔ̃ ] n. f. • 1340; lat. excisio, de excidere « couper » 1 ♦ Ablation, au moyen d un instrument tranchant (d un fragment peu volumineux d organe ou de tissu). ⇒ incision; ectomie; exérèse, extirpation. Excision d un cor. Excision des… …   Encyclopédie Universelle

  • Excision — means to remove by cutting . * In surgery, an excision (also known as a resection) is the complete removal of an organ or a tumour from a body, as opposed to a biopsy. An excisional biopsy (sometimes called a tumorectomy ) is the removal of a… …   Wikipedia

  • Excision — Ex*ci sion, n. [L. excisio: cf. F. excision. See {Excide}.] 1. The act of excising or cutting out or off; extirpation; destruction. [1913 Webster] Such conquerors are the instruments of vengeance on those nations that have . . . grown ripe for… …   The Collaborative International Dictionary of English

  • excision — late 15c., from M.Fr. excision (14c.) and directly from L. excisionem (nom. excisio), noun of action from pp. stem of excidere (see EXCISE (Cf. excise) (v.)) …   Etymology dictionary

  • excision — excision. См. исключение [транспозона]. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Excision — (v. lat.), 1) Herausschneiden einer Geschwulst; 2) das Herausziehen, z.B. eines Zahnes …   Pierer's Universal-Lexikon

  • Excision — Excision, lat. deutsch, das chirurg. Ausschneiden oder Ausziehen …   Herders Conversations-Lexikon

  • excisión — 1. proceso de excindir o amputar. 2. (en genética molecular) proceso mediante el que un elemento genético es extraído de un filamento de ADN. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud, Ediciones Hancourt, S.A …   Diccionario médico

  • excision — index cancellation, expulsion, rejection, removal Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • excisión — ⊕ excisión → escisión …   Diccionario panhispánico de dudas

  • Excision — Une excision est, dans son sens le plus général, l ablation d une partie de tissu biologique. Mais le terme excision est plus communément utilisé pour désigner l excision clitoridienne. L excision du clitoris est une mutilation génitale féminine… …   Wikipédia en Français

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