amputation above the malleoli, a modification of Syme amputation.
Gu·yon am·pu·ta·tion(gē-yōn[h]' amp'yū-tā'shŭn)
Surgical removal of the foot and ankle joint, carried out just above the malleoli, a modification of the Syme amputation.
Guyon,Felix J.C., French surgeon, 1831-1920.
Guyon amputation - amputation above the malleoli, a modification of Syme amputation.
Guyon catheter guide
Guyon exploratory bougie
Guyon isthmus - an elongated constriction at the junction of the body and cervix of the uterus. Synonym(s): isthmus of uterus
Guyon sign - ballottement of the kidney in cases of nephroptosis, especially when there is also a renal tumor.
Guyon ureteral sound
Guyon vessel clamp