Surg. [f. Gr. λίθος stone + ἔκτασις: see ECTASY.] The operation of removing calculi through the urethra, by first extending or dilating it.
1842. Willis, Stone in Bladder, Pref. The operation which I have described under the title of Lithectasy.
1876. Gross, Dis. Bladder, 236. Professor Dolbeau … has performed the operation, which he terms perineal lithotrity, but which differs only from lithectasy in removing the calculus piecemeal.
