Naffziger operation. Orbital decompression with removal of lateral and superior orbital walls for relief of severe exophthalmos.
Nagata ear reconstruction. Two-stage reconstruction of the external ear for microtia; includes construction of cartilage framework, lobe transposition, elevation, and tragus construction.
Nicoladoni’s operation. Thumb replacement by transplantation of the second toe to the first metacarpal.
Nissen fundoplication. Surgical treatment of gastric reflux disease by wrapping the fundus of the stomach around the lower esophagus; the esophagus is treated with a complete wraparound.
Nuss procedure. Surgical reconstruction of the thoracic wall to repair congenital chest wall malformation of pectus excavatum or carinatum; a curved pectus bar is implanted into the intercostal space across the chest posterior to the sternum