For a craniotomy, what are reasons to use a linear incision? A “lazy S” incision? A flap incision? A zigzag incision?
- A linear incision increases blood supply to the wound.
- A “lazy S” incision is used to prevent the incision line in the dura from lying directly underneath the incision in the skin.
- A flap incision is used so that scalp blood flow is not compromised (the base cannot be too short, and remember that blood flow is coming from inferior to superior).
- A pedicle that is narrower than the width of the flap may result in the flap edges becoming gangrenous.
- A zigzag coronal incision
- (Sometimes called a stealth incision) is used in craniosynostosis surgery to minimize the visibility of incisional scalp alopecia in children.
- A zigzag coronal incision also provides greater access to the anterior and posterior skull in craniosynostosis surgery
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