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Nasal Tip Deprojection

One of the more uncommon maneuvers in cosmetic rhinoplasty involves what is called ‘deprojection’ of the nasal tip. Deprojection refers to reduction of the nasal tip projection. In short, projection of the nasal tip refers to how far out the tip protrudes from the face as seen from the profile, or side, view. Some rhinoplasty patients mistakenly refer to this type of change as making the nose shorter when, in fact, this actually refers more to the rotational position of the nasal tip. Nasal projection should be thought more of as a linear measurement as seen from the profile view. Please reference our online rhinoplasty tutorial section on nasal analysis for a more in depth discussion of nasal tip projection.

In the adjacent photo example of a rhinoplasty patient from San Diego, CA, the red line represents nasal tip projection. In this particular patient, the nose was thought to be excessively large overall in proportion to the remainder of her face. A significant factor in this assessment is how far out the nasal tip is projected since this often times determines the overall size of the remaining nasal structures. For example, the bridge height typically follows the nasal tip outward. In this case, her bridge height is also excessive since it transitions directly off of the nasal tip position (see green line). In some cases you will find a rhinoplasty patient who has an excessively over projected nasal tip with a normal bridge height, but this is quite rare.

As rhinoplasty surgeons we are trained to measure the nasal tip projection in relationship to other areas of the nose in order to determine whether or not there is over projection. One of the most common is the Goode method, named after Dr. Richard Goode from Stanford. In reality, though, most experienced rhinoplasty experts will simply look at the nose and determine by gestalt if the nasal tip is over projected. This is much the same way rhinoplasty patients look at themselves and subjectively note that their nose is just too big for their face. Sure you can measure it using the Goode method. However, if the nose looks too big on the face it probably is too big for the face.

What Causes An Over Projected Nasal Tip?

An overly projected nasal tip is most often the result of the underlying lower lateral cartilage, also known as the LLC. In the adjacent diagram, the LLC is indicated as the red shaded structure. There are actually a pair of lower lateral cartilages – one on each side – that primarily contribute to the shape and position of the nasal tip. When the LLC is positioned too far out on the nose it will then appear overly projected.

In revision rhinoplasty patients who have had prior cosmetic nose reshaping, their nasal tip might be overly projected because of different reasons. A common reason in the revision rhinoplasty population is that the bridge may have been over reduced, or brought down too much, while leaving the tip in proper position. In this situation the nasal tip may appear overly projected, but the true problem is the nasal bridge that needs to be brought back up to a more appropriate level.

Rhinoplasty For An Over Projected Tip

The goal in rhinoplasty for an overly projected nasal tip is to bring the tip of the nose closer to the face (deprojection of the nasal tip) while maintaining proportion with the remainder of the nose and face. As noted above, the bridge height is often times excessively high in patients with an overly projected nasal tip. Therefore, it is frequently necessary to reduce the bridge height while bringing the nasal tip in closer to the face.

In some rhinoplasty patients, deprojection of the nasal tip simply involves reducing the size of what is commonly referred to as the domal cartilage. The domal cartilage is the highest point of the lower lateral cartilage as it sticks out from the face. If this portion of the lower lateral cartilage is excessively prominent, very careful reduction of the dome can be undertaken to deproject the nasal tip. Some rhinoplasty terms that refer to this type of nasal tip deprojection maneuver include: domal truncation, crural overlay, and vertical dome division. In other rhinoplasty patients, the entire lower lateral cartilage has to detached, moved and reattached to accomplish the desired change in tip projection. Depending on the rhinoplasty surgeon’s expertise and experience, both methods can be done successfully using either an open or closed rhinoplasty approach.

In many cases where the nasal tip is being deprojected, the nose also has to be rotated slightly to maintain proper esthetic balance. To some degree this is directly proportional to the amount of tip deprojection being performed.

Rhinoplasty Example of Tip Deprojection

The following is a case example of how the nasal tip can be successfully reshaped to deproject the nose. As was noted above, this particular patient complained of a large nose that she wanted reshaped. We previously discussed how her nasal tip was over projected and bridge height was excessively high. We performed a closed rhinoplasty approach during her cosmetic nose reshaping procedure. This included use of what is referred to as a ‘full transfixion incision’ to drop her nasal tip back closer to the face to deproject the nose. Once this was done, we then reshaped her nasal bridge to bring it down to an appropriate height that matched the new position of her nasal tip.

As you can see in her before and after photos, her nasal tip has been successfully deprojected, or brought in closer to the face. The diagrammed photos demonstrate this more visually when you compare the preoperative nasal tip projection (red line) and bridge height (green line). In the after rhinoplasty photo, you can appreciate how much change has been made to the nose. Keep in mind that cosmetic nose reshaping is a game of millimeters. In this type of rhinoplasty, we have brought the tip in closer to the face by 2-3 millimeters and the nasal bridge by a similar amount, which is all that was needed to result in a beautiful looking nose. The nasal bridge was reduced to create a more feminine looking profile view and the nasal tip was rotated just slightly. Overall, she still looks very natural in terms of her appearance and now has a smaller nose that looks as if she could have been born with it.

Tip Deprojection Rhinoplasty Consultation

It should be emphasized here that deprojection of the nose should be done by plastic surgeons who are truly experts in rhinoplasty and revision rhinoplasty. As was noted in the beginning of this rhinoplasty tutorial chapter, deprojection of the nasal tip or deprojecting the nasal tip is a fairly uncommon maneuver in plastic surgery, unless you are a rhinoplasty specialist. A great majority of nose jobs do not require deprojection of the nasal tip. So if your chosen plastic surgeon performs rhinoplasty only on an occasional basis, it is unlikely they are going to be real familiar with deprojection of the nasal tip. Facial plastic surgeons who are experts in cosmetic nose reshaping and perform rhinoplasty surgery frequently will see this type of nose on a regular basis. They will be much more familiar with the nuances involved in this type of rhinoplasty and consequently will achieve successful results with nasal deprojection on a more consistent basis. Therefore, it is highly recommended that you consult with a plastic surgeon who has demonstrated experience in cosmetic nose surgery and is able to show you multiple examples of deprojected noses they have performed.

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