10 Feb 2026

Cartilage Grafts in Asian Rhinoplasty: Ear vs Rib vs Septal

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Medical Reviewed By Dr Terence Goh

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Does your nose require structural augmentation rather than reduction? Asian rhinoplasty frequently requires structural augmentation rather than reduction. This makes cartilage graft selection a central surgical decision. The Asian nose typically presents with thinner skin over the dorsum, a lower nasal bridge, less tip projection, and weaker lower lateral cartilages compared to Caucasian noses. Cartilage provides the structural framework needed for defined tip work and dorsal augmentation whilst maintaining tissue compatibility.

Choosing between septal, ear, and rib cartilage involves weighing several factors. These include available volume, structural rigidity, donor-site considerations, and the extent of required reshaping. Each source offers distinct advantages and limitations that influence both surgical planning and long-term outcomes. The decision depends on individual anatomy, previous surgical history, and specific aesthetic goals for bridge height, tip definition, and overall nasal proportion. A healthcare professional can help determine an appropriate approach based on your specific anatomical features and desired results.

Septal Cartilage

Surgeons often consider septal cartilage an initial source when adequate volume is present. Qualified healthcare professionals harvest it from the nasal septum (the wall dividing the two sides of your nose) through the same operative field. This eliminates the need for secondary incision sites and associated donor site morbidity.

Structural Characteristics

Septal cartilage provides flat, relatively straight pieces. These pieces are suitable for spreader grafts (thin strips that widen the nasal airway), dorsal onlay grafts (pieces placed on top of the bridge), and columellar struts (support structures for the tip). Its natural firmness offers structural support whilst maintaining some flexibility. This flexibility is important for grafts placed in mobile nasal regions. Surgeons find the thickest portions posteriorly and inferiorly.

Volume Limitations in Asian Patients

Many Asian patients present with naturally smaller septums or prior septal surgery that limits available harvest volume. A deviated septum (when the wall between nasal passages is off-centre), requiring simultaneous correction, further reduces usable material. Surgeons typically preserve an L-shaped strut to maintain nasal support. This limits the amount of cartilage that can be safely removed. For patients requiring significant dorsal augmentation or extensive tip grafting, septal cartilage alone often proves insufficient.

Applications

Septal cartilage is used for several procedures:

  • Moderate tip refinement
  • Spreader graft placement to address internal valve narrowing (when the nasal airway becomes too narrow)
  • Supplementing other cartilage sources

In revision cases where previous surgery depleted septal reserves, surgeons must use alternative donor sites.

Ear Cartilage

Conchal cartilage from the ear (taken from the bowl-shaped portion of your outer ear) provides a secondary source. It has characteristics suited to specific rhinoplasty applications. Surgeons harvest it using either an anterior or posterior auricular approach. The posterior incision stays hidden behind the ear.

Natural Curvature Advantages

Ear cartilage exhibits an inherent curvature that mirrors the anatomy of the nasal tip. This natural contour makes it useful for several graft types:

  • Alar rim grafts (supports for the nostril edges)
  • Shield grafts (shaped pieces that define the tip)
  • Lateral crural strut grafts (supports for the sides of the tip)

Surgeons can harvest the cartilage from the cymba conchae or cavum conchae (different parts of the ear bowl). These areas provide different curvatures for various applications.

Softness and Pliability

Compared to septal or rib cartilage, conchal cartilage is softer and more pliable. This characteristic benefits areas requiring subtle contouring but limits its use for major structural support. The cartilage doesn’t resist warping (bending out of shape) as effectively as firmer alternatives. However, its flexibility helps reduce the visibility of graft edges in patients with thin nasal skin.

Bilateral Harvest Considerations

Surgeons can harvest from both ears when additional volume is needed. This yields combined material sufficient for moderate augmentation procedures. However, the total available quantity still falls short of the amount provided by rib cartilage. Donor site changes include temporary numbness and mild contour changes to the ear bowl. These typically resolve without noticeable long-term deformity when proper technique preserves the antihelical fold (the inner curved ridge of the ear).

Rib Cartilage

Costal cartilage from the rib cage (the flexible tissue connecting your ribs to your breastbone) provides the largest volume of any autologous source. Surgeons consider it for major augmentation, revision rhinoplasty, and cases requiring extensive structural reconstruction.

Harvest Technique and Location

Surgeons typically harvest from the sixth, seventh, or eighth rib. They make a small incision in the inframammary area (the crease beneath the breast). The cartilaginous portion of these ribs provides straight segments suitable for several uses:

  • Carving dorsal implants (bridge augmentation pieces)
  • Extended columellar struts (long support posts for the tip)
  • Multiple tip grafts from a single harvest

In female patients, surgeons can often conceal the incision within the breast fold.

Warping Behaviour

Rib cartilage’s primary disadvantage is its tendency to warp over time (i.e., bend or twist after being shaped). Asymmetric drying, internal stress patterns, and cartilage memory can cause carved grafts to bend postoperatively. Surgical techniques to help minimise warping include:

  1. Balanced cross-sectional carving: Removing equal amounts from opposing surfaces
  2. Central core harvest: Using the innermost portion with more consistent fibre orientation
  3. Diced cartilage in fascia (DCF): Wrapping finely diced pieces in temporalis fascia (thin tissue from the temple area) to eliminate warping whilst maintaining volume
  4. Allowing carved grafts to equilibrate: Observing grafts in saline before placement to identify warping tendency

When Rib Becomes Necessary

Patients requiring significant dorsal augmentation typically need rib cartilage. Revision rhinoplasty cases where previous surgery depleted other sources also require it. Other situations include:

  • Cleft lip nasal deformities
  • Saddle nose reconstruction (rebuilding a collapsed bridge)
  • Asian patients desiring significant bridge elevation whilst maintaining natural movement and avoiding synthetic implant risks

💡 Did You Know?
Rib cartilage continues to grow and calcify with age. Surgeons prefer harvesting from younger patients when possible. Cartilage remains more pliable and easier to carve before significant calcification occurs.

Comparing Donor Sites

Volume Requirements by Procedure Type

Procedure Septal Ear Rib
Minor tip refinement
Moderate dorsal augmentation Limited
Major dorsal augmentation
Alar rim grafting
Revision rhinoplasty If available
Spreader grafts

Recovery and Donor Site Morbidity

Septal harvest adds no external incisions and minimal additional recovery time. Harvesting ear cartilage may cause temporary numbness and mild discomfort. Rib harvest involves chest wall discomfort. Deep breathing and upper-body movement can cause temporary pain. Patients typically describe rib site discomfort as more significant than nasal surgical pain during early recovery.

Long-Term Considerations

All autologous cartilage (tissue from your own body) maintains tissue viability indefinitely. This differs from synthetic implants that carry ongoing infection and extrusion risks. Septal and ear cartilage demonstrate minimal resorption (absorption back into the body) over time. Rib cartilage may show some volume reduction, particularly with diced techniques. However, structural grafts can maintain their shape when properly carved and secured.

Combining Multiple Donor Sites

Complex rhinoplasty cases often benefit from the use of cartilage from multiple sources. Surgeons match each graft type to its application.

Strategic Material Allocation

A common approach uses rib cartilage for dorsal augmentation, requiring maximum volume. Surgeons reserve septal cartilage (if available) for spreader grafts and ear cartilage for tip refinement. This strategy leverages each source’s strengths:

  • Rib’s volume
  • Septal cartilage’s flatness
  • Ear cartilage’s natural curvature

Diced Cartilage Techniques

When precise dorsal contouring is required without risk of warping, surgeons may dice rib cartilage into very small pieces. They wrap these pieces in the temporalis fascia harvested from the scalp. This technique of diced cartilage in fascia creates a malleable graft. Surgeons can shape it precisely along the dorsum whilst eliminating concerns about warping. The technique requires additional fascia harvest but can provide predictable augmentation with natural tissue feel.

Special Considerations in Asian Rhinoplasty

Skin Thickness Variations

Whilst Asian nasal skin is often described as thick, significant variation exists. Patients with thin skin require meticulous graft-edge smoothing to prevent visible irregularities. Thicker skin allows for slightly less precise graft shaping but may limit the degree of tip definition achievable.

Dorsal Aesthetic Goals

Asian patients seeking dorsal augmentation must balance desired height with natural appearance. Excessive augmentation creates an overoperated look that is inconsistent with surrounding facial features. Cartilage grafts permit incremental augmentation and allow intraoperative adjustment based on aesthetic assessment. A healthcare professional can discuss goals based on your individual facial proportions and desired outcome.

Tip Projection and Rotation

Achieving adequate tip projection often requires multiple-layered grafts. Columellar struts provide foundational support whilst shield grafts and cap grafts create definition. The weaker lower lateral cartilages (the flexible structures that form the tip) in many Asian patients necessitate structural reinforcement rather than simple reshaping techniques used in reduction rhinoplasty.

⚠️ Important Note
Previous rhinoplasty using silicone implants may have caused capsule formation (scar tissue buildup) and tissue thinning. These patients require careful evaluation of skin quality. They often benefit from rib cartilage reconstruction with temporalis fascia coverage to help restore soft tissue thickness.

Preparing for Cartilage Graft Rhinoplasty

Patients considering rhinoplasty with autologous cartilage should prepare for evaluation of all potential donor sites. Septal assessment occurs during nasal examination. Rib cartilage evaluation may include chest imaging in patients with previous chest surgery or trauma.

Discussing aesthetic goals in detail helps determine the extent of augmentation needed. This directly influences donor site selection. Bringing photographs demonstrating desired outcomes assists in surgical planning. However, expectations must account for individual anatomical starting points.

Recovery planning should accommodate the chosen donor site. Rib cartilage harvest requires limiting upper-body exertion. Ear harvest has minimal activity restrictions beyond avoiding direct pressure on the ear.

When to Seek Professional Help

  • Dissatisfaction with previous rhinoplasty results using synthetic implants
  • Implant-related complications, including infection, displacement, or visibility
  • Desire for natural augmentation without synthetic materials
  • Breathing difficulties combined with aesthetic concerns
  • Congenital nasal deformities requiring structural reconstruction
  • Traumatic nasal injuries affect both form and function

Commonly Asked Questions

How do surgeons decide which cartilage source to use?

The decision combines an assessment of available septal cartilage volume, the degree of augmentation required, and the specific graft requirements for tip versus dorsal work. Primary rhinoplasty in patients with adequate septums often uses septal cartilage alone. Revision cases and major augmentation typically require rib harvest. A healthcare professional can recommend an approach based on your anatomy and goals.

Will rib cartilage harvest leave a visible scar?

Surgeons typically place the small incision in the inframammary fold. It heals as a fine line concealed by natural skin creases. In female patients, the scar often falls within the breast shadow. Proper wound care during healing can optimise scar appearance.

Can ear cartilage harvest affect hearing?

No, the conchal bowl cartilage harvested for rhinoplasty is not connected to the hearing structures. The ear canal and middle ear remain untouched. Temporary numbness around the harvest site resolves as nerves regenerate.

How long do cartilage graft results last?

Autologous cartilage integrates permanently with surrounding tissues. Unlike synthetic implants, which may require replacement, cartilage grafts can maintain their position and structure over the long term. Minor settling may occur during the first year as swelling resolves and tissues mature.

Is the procedure performed under general anaesthesia?

Most rhinoplasty with cartilage grafting uses general anaesthesia (where you are completely asleep during surgery), particularly when rib harvest is involved. The procedure duration and the need for patient comfort during graft carving make general anaesthesia a common approach.

Next Steps

Key takeaways for cartilage graft selection: Septal cartilage is the first choice when sufficient volume is available. Ear cartilage provides a natural curvature that facilitates tip refinement in patients with thin skin. Rib cartilage becomes necessary for major augmentation or revision cases. Each donor site requires specific recovery considerations—septal harvest adds minimal recovery time, whilst rib harvest involves temporary chest wall discomfort. Combining multiple sources allows surgeons to match each cartilage type to its optimal application.

If you’re dissatisfied with previous rhinoplasty results, experience breathing difficulties combined with aesthetic concerns, or desire natural augmentation without synthetic materials, a plastic surgeon can evaluate your donor site options and provide detailed surgical planning based on your nasal anatomy and aesthetic goals.

Dr. Terence Goh - AZATACA Plastic Surgery

Dr Terence Goh

Choosing to combine the intricate skills of microsurgery with aesthetic surgery, Dr Goh specialises in gynaecomastia, surgery of the Asian face, particularly Asian eyelid surgery and rhinoplasty.

Blending the precision of microsurgery with the artistry of aesthetic surgery, Dr Goh has a special interest in gynaecomastia, facial procedures, including ptosis and eyelid surgery, as well as rhinoplasty.

He also offers a full range of body contouring procedures such as mummy makeovers, breast augmentation, liposuction, and body sculpting—designed to help patients feel more confident and comfortable in their own skin.

Beyond aesthetics, Dr Goh remains active in reconstructive microsurgery, with expertise in breast reconstruction, head and neck reconstruction, and lower limb salvage—restoring both form and function where it’s needed most.

  • Bachelor of Medicine, Bachelor of Surgery, National University of Singapore
  • Master of Medicine, National University of Singapore
  • Member of the Royal College of Surgeons
  • Fellow of the Academy of Medicine, Singapore (Plastic Surgery)

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