LITHOTOMY

n. LiHh-on'o-mia. Lat., litho tomia (from Ai9o, a stone, and rani, a cutting). Fr., lithotomie, taille. Ger., Blasensteinschnitt, Lithotomie, Steinschnitt. It., taglio. Sp., tn 11'i. Cystotomy (q. v.)done with a view to the extraction of a vesical calculus. All art on's 1. See Median CYSTOTOMY. Bilateral 1. L. by an incision behind the bulb of the urethra, cro ing the rhaphe at right angles, involving the membranous urethra, and dividing the prostate bilaterally. [EI Buchanan's 1. Median 1. by means of a rectangular staff. I" Glasgow Med. Jour.," 1884, xxii, p. 454 (a, 34).] Celsus's 1. See APPARATUS minor. Central 1. See Median CYSTOTOMY. Civlale's 1. L. by a method e entially the same as in Dupuytren's bilateral operation, except that the perineal incision is made in the median line. [E.] Corradi'n 1. The operation of 1. with certain instruments invented by Corradi. A catheter-like staff is used, having a deep groove at the curved end, from which a slender knife may be projected backward through the membranous urethra and the perinaeum, a probe-pointed bistoury to cut down on this knife as a guide, and a hinged forceps to remove the stone. [" Med. Times and Gaz.," 1872, li, p. 428 (a, 34).] Direct vaginal 1. See Vaginal CYSTOTOMY. Dolbeau'a 1. A modification of the old operation of median 1. consisting in dilating the neck of the bladder and parts external to it in the second step of the operation, and in the third crushing the stone before its removal. [EJ Dupuvtreii'H 1. The bilateral section of the prostate with the semilunar transverse perineal incision in front of the anus. [E.] Extraveidcal 1. The removal of a calculus from a fistula outside of the bladder, [a, 34.] Ferjcuftsoii's 1. Lateral 1. with the curved staff. [E.] High 1., HypogaHtrlc 1. See Suprapubic CYSTOTOMY. Italhm I. See Median CYSTOTOMY. Key'n I. Lateral L with the straight staff. [E.] Lateral 1. Sec l.ntinil CYSTOTOMY. Lateral rrrto-prostatlc 1. Rectal 1. in which the prostate is incised as in the lateral operation, [a, 34.] Lithontriptir I. The removal of calculous il' iins by a perineal section after lithotrity. [a, 34.J A, ape; A*, at; A, ah; A, all; Ch, chin; Ch, loch (Scottish); [s. 656]