Surgery, Rhinoplasty

4 Things to Know Before Nasal Hump Reduction: What You See May Not Be a Real Hump!

1. What Is a Nasal Hump?

A nasal hump (dorsal hump) is a raised area along the bridge of the nose. A small hump may be part of a person's natural nasal profile and can contribute to a distinctive appearance. Some people associate a pronounced dorsal hump with a stronger or more masculine facial profile, while others prefer a smoother and softer nasal contour. The ideal appearance depends on individual facial proportions and personal aesthetic preferences.

Nasal Dorsal Hump: Understanding a True Nasal Hump Before Rhinoplasty

2. What Are the Different Types of Nasal Humps?

2.1. Bony Nasal Hump (Nasal Bone)

Bony Nasal Hump Caused by the Nasal Bone

2.2. Cartilaginous Nasal Hump (Upper Lateral Cartilage)

Cartilaginous Nasal Hump Formed by the Upper Lateral Cartilage

2.3. Combined Bony and Cartilaginous Nasal Hump (Nasal Bone and Upper Lateral Cartilage)

Combined Bony and Cartilaginous Nasal Hump

3. How Can a Nasal Hump Be Corrected?

There are two main approaches described for reducing or correcting a nasal hump, depending on its size and underlying anatomical structure.

3.1. Small Nasal Hump: Hump Rasping

For a relatively small bony hump, the surgeon may use a specialized instrument called a nasal rasp to gradually smooth the raised area. This technique is known as hump rasping. Whether rasping alone is appropriate depends on the hump's composition, the nasal framework, and the amount of correction required.

Nasal Hump Rasping Technique for Small Dorsal Humps

3.2. Large Nasal Hump: Surgical Correction Techniques

For a large or prominent dorsal hump, the surgeon may consider one of two main surgical approaches:

  • Dorsal Hump Resection (Humpectomy): The prominent portion of the nasal dorsum is surgically removed. Additional restructuring, including nasal bone osteotomy, may be necessary to narrow or reposition the nasal bones and address an open roof deformity that could result from removing a large hump.
  • Dorsal Preservation Rhinoplasty: Techniques such as Push-Down and Let-Down aim to lower the nasal dorsum while preserving its upper surface rather than directly removing the hump. These methods may be suitable for selected nasal structures. Attempting extensive correction of a large hump through rasping alone may be inadequate and could increase the risk of bleeding, prolonged swelling, or damage to surrounding tissues. The correct approach depends on the anatomy and the surgeon's assessment.

4. Important Considerations: A Nasal Hump May Not Be a True Hump

An important point to understand before undergoing hump reduction is that a raised-looking nasal bridge is not always caused by a true anatomical dorsal hump. In some cases, the appearance is due to a pseudo hump (apparent dorsal hump), resulting from the proportions of the surrounding nasal structures. Common situations include the following:

4.1. Drooping or Underprojected Nasal Tip

When the nasal tip is drooping, insufficiently projected, or has lost structural support, the nasal bridge may appear unusually prominent in comparison. Nasal tip shape and projection depend partly on the size, strength, and positioning of the lower lateral cartilages. If these cartilages are weak, small, or damaged, the tip may lose projection, creating the visual impression of a dorsal hump.

Possible Correction: In selected cases, improving nasal tip support and projection may help balance the nasal profile without requiring removal of the dorsal hump. The appropriate treatment must be determined through a detailed nasal examination.

Pseudo Nasal Hump Caused by a Drooping or Underprojected Nasal Tip

4.2. Low Nasal Root (Deep Radix)

A deep radix occurs when the nasal root, where the forehead transitions into the nasal bridge, sits relatively low. This can make the middle section of the nasal dorsum appear raised, even when there is no prominent true hump.

Possible Correction: Rather than removing the apparent hump, the surgeon may consider augmenting the nasal root (radix) to improve the overall dorsal contour. Whether augmentation is appropriate depends on the patient's anatomy and aesthetic goals.

Pseudo Nasal Hump Caused by a Low Nasal Root or Deep Radix

4.3. Combination of a Drooping Nasal Tip and a Deep Radix

When a patient has both a drooping or underprojected nasal tip and a low nasal root, the nasal bridge may appear even more prominent. This combination can create a noticeable pseudo hump despite the absence of a large anatomical dorsal hump.

Possible Correction: In selected cases, a combination of radix augmentation and improved nasal tip projection may create a more balanced nasal profile without requiring direct hump removal. The surgeon should first determine whether a true bony or cartilaginous hump is also present.

Pseudo Hump Caused by Both a Deep Radix and Drooping Nasal Tip

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นพ.สุวิน สมเงิน
Article Author
นพ.สุวิน สมเงิน
Dr. Gorn
Thai Board of Facial Plastic and Reconstructive Surgery; Thai Board of Otolaryngology, Head and Neck Surgery
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นพ.วิษณุ จุลมุสิ
Article Author
นพ.วิษณุ จุลมุสิ
Dr. Nu
Thai Board of Facial Plastic and Reconstructive Surgery; Thai Board of Otolaryngology, Head and Neck Surgery
View Doctor Profile →

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