PREPRINT

  • 1. Positioning and Anatomic Landmark Identification
  • 2. Draf I
  • 3. Draf II-A "Uncapping the Egg"
  • 4. Draf II-B
  • 5. Draf III
cover-image
jkl keys enabled

Frontal Sinus Dissection (Cadaver)

Ralph Abi Hachem, MD, MSc, C. Scott Brown, MD
Duke University Medical Center

Procedure Outline

  1. Positioning and Anatomic Landmark Identification
  2. Draf I
    1. Anterior Ethmoidectomy
    2. Dissect Agger Nasi
    3. Identify Frontal Sinus
  3. Draf II-A "Uncapping the Egg"
    1. Remove Superior Edge of Agger Nasi
    2. Ensure Identification of Frontal Sinus
  4. Draf II-B
    1. Cut Down Vertical Lamella
    2. Enlarge Frontal Sinusotomy
    3. Connect Frontal Sinus and Supraorbital Ethmoid
  5. Draf III
    1. Drilling Frontal Sinusotomy
    2. Superior Anterior Septectomy