Marshall–Marchetti–Krantz procedure. Surgical reinforcement of the bladder by suturing the neck of the bladder to the pubic bone or local fascia to correct female urinary stress incontinence.
Marshall test. Manual elevation or deviation of bladder neck during cough or strain to detect stress urinary incontinence; also called Bonney test or Marshall–Marchetti test.
Marshall–Marchetti test. Manual elevation or deviation of bladder neck during cough or strain to detect stress urinary incontinence; also called Bonney test or Marshall test.
Mayo operation. Stripping of varicose veins using an extraluminal ring that cuts the venous tributaries along
the way.
Mayo procedure. Resection of the head of the first metatarsal to treat hallux valgus
Maze procedure. Multiple surgical incisions into right and left atrial tissue; the goal is to alter the neural pathway of abnormal electrical impulses that are causing atrial fibrillation.
Miles operation. Resection of the distal colon through an abdominoperineal approach.
Monticelli procedure. External uniplane fixation by attachment to underlying bone via multiple wires; for the correction of limb length discrepancies through distraction or treatment of fracture.
Moschcowitz operation. Correction of a femoral hernia using an inguinal approach.
Mule’s operation. Evisceration of the eyeball with use of artificial vitreous to fill the void.
Mumford procedure. Excision of the distal clavicle to reduce pain in the acromioclavicular joint, usually following trauma.
Mustard procedure. Correction of transposition of great vessels by construction of an atrial baffle to shunt blood from the pulmonary veins to the right ventricle and systemic drainage to the left ventricle