17 Ishmetov, V.S. Blagodarov, S.I. Kabirov, I.R. Izmailov, A.A. Safiullin, R.I. Galimov, I.I. Abdrakhmanov, R.E. Ibragimov, T.R. Gilemhanov, A.R. Urmantsev, M.F. Sultanov, I.F. Utenskaya, I.D. Plechev, V.V. Galimov, O.V. Pavlov, V.N. 2017 2018-03-12 10.17691/stm2017.9.1.14 thigh muscle (gracilis muscle) using rotational computed tomography angiography and 3D modeling in patients with locally advanced primary or recurrent malignant tumors of the pelvic organs. Materials and methods. Transradial access using Innova 3131 IQ angiographic unit (General Electric, USA) was used in the work. A survey dynamic angiography of the abdominal aorta and the lower limb arteries was carried out in order to obtain images of blood vessels and assess the character of blood flow. If atherosclerotic lesions of the iliac or femoral artery segment were detected, stenting or balloon angioplasty was performed. Results. rotational computed tomography angiography with 3D modeling in the preoperative period allow the surgeons to obtain information on vascular anatomy of gracilis muscle in patients planned to undergo reconstructive plasty of the perineum by a skin-musclefascial flap of the gracilis muscle. This makes it possible to perform one-stage plastic operation with the best composite flap design selected and to correct the damaged lower extremity arteries without open surgery, if they are detected. https://repo.bashgmu.ru/publication/1249 https://repo.bashgmu.ru/files/1418