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Article
May 1929

CONSERVATIVE MODIFICATIONS OF THE LOTHROP EXTERNAL FRONTAL SINUS OPERATION

Author Affiliations

BOULDER, COLO.

Arch Otolaryngol. 1929;9(5):501-508. doi:10.1001/archotol.1929.00620030527003
Abstract

Skillern1 described the technic of Lothrop's operation briefly as follows:

Preliminary to the external procedure, the front of the middle turbinate and anterior ethmoid cells are removed.

  1. 1. An incision is made similar to the Killian except not extending as far downward and outward.

  2. 2. An area of bone directly above and below the incision is denuded of periosteum and the sinus entered just above the base of the nasal process.

  3. 3. The sinus is cleared of inflammatory tissue, the periosteum, however, not being removed, and the cavity explored with a probe to determine the location of the ostium and the probe passed downward into the nose and out the anterior nares.

  4. 4. The ostium is gradually enlarged by small curets and burr drills, but only from behind forward, thus avoiding the cribriform plate.

  5. 5. A small burr is introduced through the nose and the anterior superior nasal

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