The Future of Scoliosis Surgery Is Now

100% Back Muscle Sparing Surgery Since 2013 by the Pioneers of ASC

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Irina Nikolayevski
2026-09-04
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So happy we found the ASC surgery option! Three doctors recommended fusion for my12 y/o daughter, but we kept looking for another solution for her scoliosis, something that would enable her to go back to gymnastics. Dr. Antonacci and Dr. Cuddihy did an excellent job! My girl is now almost 3 years post op and doing so well! It took her only four months to go back to gymnastics with no restrictions! She is a very active teenager and suffers from no pain! We needed transatlantic flight to make it to the surgery, but it was absolutely worth it! The whole team in the Institute for Spine and Scoliosis is very kind, helpful and proffesional. Having ASC for my daughter was the best decision I have ever had.
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Jessica Fitton
2026-07-21
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I highly recommend Drs. ABC. We traveled from Nebraska to New Jersey for our daughter’s scoliosis surgery, and it was one of the best decisions we made. She had an incredible correction of her severe S-curve and was back at school just three weeks later. Her recovery was remarkably smooth with zero restrictions and we are so grateful for the exceptional care and expertise of this team!
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Jessica F
2026-07-21
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I highly recommend Drs. ABC. We traveled from Nebraska to New Jersey for our daughter’s scoliosis surgery, and it was one of the best decisions we made. She had an incredible correction of her severe S-curve and was back at school just three weeks later. Her recovery was remarkably smooth with zero restrictions and we are so grateful for the exceptional care and expertise of this
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Julie Plavner Pollack
2025-04-15
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Dr Antonacci saved my life. Back in 2003 after seeing many spine surgeons, neurosurgeons and orthopedic spine surgeons, every other doctor missed the main issues going on in my neck. Dr. Antonacci took his time evaluating each symptom and didn’t just settle for what everyone else thought was obvious. He ordered new MRIs and then other tests that confirmed his thought that I had a spinal cording just at c3-c4. I was young, 37, at the time and he looked at the technology that was coming down the line and departed my original surgery into two separate surgeries five years apart. Unfortunately I had a weird occurrence happen and developed a cyst under the bottom level of my fusion c3-c7 and I then needed a posterior surgery that went from c3-t2. Most recently I needed my lumbar and a second cervical posterior that I unfortunately had done by two other doctors that worked together. These surgeons, who were also top in their field, were not nearly as meticulous as Dr. Antonacci. I think about Dr. Antonacci often as I am blessed to have watched my three young boys grow into three wonderful productive men. Thank you Dr. Antonacci and know that you are in Ron, the boys and my heart!!!
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Ernest Cyrille profile picture
Ernest Cyrille
2024-10-30
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Rachel Narramore Rounds profile picture
Rachel Narramore Rounds
2019-08-01
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My 25 year old daughter had a successful ASC performed June 28. She had a severed S curve with major rotation. We are so grateful to Dr. Antenocci for his incredible work in bringing about this approach for fusionless scoliosis surgery. As a mom who felt there had to be a better answer than rods for my daughter, years of prayer and tears were answered when we met Drs. ABC. We are thrilled with the results, and their incredible care for this huge surgery.
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Russ Rowgo
2019-06-18
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Our family cannot thank these doctors enough. They are simply miracle workers. We have been very happy with our son's care after his 78/50 degree scoliosis was corrected. If you are considering any form of scoliosis treatment or know someone who is, you must consider this team!
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Geraldine Tama
2019-06-18
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My daughter is 4 months post op and we are very happy with the results and the care she received from Drs. ABC.
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Lisa Smoot profile picture
Lisa Smoot
2019-06-17
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This group of surgeons are the greatest! They are experts and very helpful through out the whole process. My daughter is approaching her 1 year post ASC surgery and she is doing great. No pain and went from 60+ lumbar and 48 thoracic curves to 7.8 lumbar and 13.7 thoracic. I am so thankful for this group of surgeons!
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Sonali Khatti profile picture
Sonali Khatti
2019-06-17
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ASC Is Superior to VBT & Metal Rod Fusion

100%
Muscle Sparing
Proven Results
(92-96% Success)
Pioneered &
Patented Technique

Meet Drs. ABC:
Best Spine Surgeons for ASC

Over the years, Dr. Antonacci, Dr. Betz, and Dr. Cuddihy have performed more ASC procedures than any team worldwide. Their experience extends beyond the operating room, and they train spine surgeons across the U.S. and internationally.

Learn more about our surgeons:

Scoliosis Case consultation with Drs. ABC — Antonacci Betz Cuddihy

Who Is a Candidate for Scoliosis Surgery?

The surgeons at the Institute for Spine & Scoliosis are widely recognized as pioneers in Anterior Scoliosis Correction (ASC). They helped shape the technique from its early stages and continue to lead its development, offering a motion-preserving option for children, teens, and adults with progressive curves.

ASC Is Superior to VBT & Metal Rod Fusion

100%
Muscle Sparing
Proven Results
(92-96% Success)
Pioneered &
Patented Technique

Are You a Candidate for ASC Surgery?

Step 1 of 9

Use the slider to select the age

27 years
Ideal range (4-50)
4 years 55 years

Select the curve pattern that matches your diagnosis

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ASC by Drs ABC - Antonacci Presentation

2025 Update #1

GSC Data & Before/After CASES – Clinical Photos, Videos and X-rays

or select specific sections

2025 Update #2

Under age 21 Data plus detailed MRI/Bend Xray Case examples

Proven Results

12 Years, 5 U.S. Patents on Surgical Technique

ASC vs. Metal Rod Fusion: Understanding the Natural Process of Disc Changes and Preserving Spinal Function

In the 1990s, metal rod fusion became widely used for treating “low back pain.” Many surgeons relied on MRI findings, such as disc desiccation, dehydration, degeneration, herniations, arthrosis, and stenosis, as signs that surgery was needed.

Dr. Scott D. Boden’s groundbreaking research changed that view. His study showed that these MRI findings are common in people with no symptoms at all.

This shifted the field’s understanding: disc changes are often a natural part of aging, not always a problem that requires fusion.

How Is ASC BY Drs. ABC Different?

ASC is fundamentally different from traditional metal rod fusion surgery. It preserves back muscles and spinal mobility by approaching from the front rather than the back, uses flexible cords instead of rigid metal rods, and carefully releases spinal contractures without destroying discs.

Who Should Consider ASC by Drs. ABC?

ASC can be a strong option for a wide range of patients. Candidates typically include:
  • Children, teens, and adults ages 4 to 50
  • Patients with thoracic or lumbar curves
  • Those with curve sizes between 40° and 95°
  • People with single, double, or flexible curves
This gives ASC a much broader eligibility range than traditional VBT.
Spine & Scoliosis - Drs ABC 3

The following are published peer reviews on ASC by ABC’s technique. We published on our most severe cases (>65 to 90 degrees) which showed 92% to 96% clinical success at least 2 years from surgery, and on average had 78% corrections with very low revision rates, outperforming VBT and Metal Rod data.

Double Screw-Line Technique of Anterior Scoliosis Correction with Thoracic Disc Releases for Thoracic Curves > 65 Degrees: Surgical Techniques and Outcomes

For published >92% success results on immature, maturing and mature patient:

Treatment of Mature/Maturing Patients with Adolescent Idiopathic Scoliosis (Sanders ≥ 5) Using a Unique Anterior Scoliosis Correction Technique

Treatment of Patients with Scoliosis Using a Unique Anterior Scoliosis Correction Technique

Anterior Scoliosis Correction with Intervertebral De-Tethering Releases for the Treatment of Patients 5 to 10 Years of Age with Early Onset Scoliosis

“ASC by Drs. ABC is our multi-year, multi-generational advancement  of our original techniques of Anterior Fusion, VBT, and Stapling since 2013, which we now find vastly superior to posterior metal rod fusion in our practice. Because of our pioneering evolution (four U.S. Technique Patents) of ASC by Drs.ABC, there’s virtually no curve that in our opinion wouldn’t be better served with ASC by Drs. ABC over posterior metal rod fusion which by design destroys 100% of the functionality of your back muscles” — Dr. A.

ASC By Drs ABC Cases From Around The World…

Nearly 20% of our patients are international
Over 70% of US patients are from outside our region

This map shows a world-view of the hundreds of cases of ASC by Drs. ABC. All of the locations are general and do not include any personal information. Privacy is our main focus over accuracy. Locations may be in a generic spot; this includes public areas such as parks, business districts, or waterways.

With medical licensure in New Jersey, New York, and Pennsylvania, Dr. Antonacci has been granted hospital privileges at some of the finest medical centers in the northeast United States.

Recorded April 2023. This interview is for educational purposes and covers information provided by Dr. Darryl Antonacci regarding ASC by Drs. ABC and the advancements they have pioneered.  It presents the Concepts and Data supporting the use of ASC by Drs. ABC over Posterior Metal Rods, VBT or hybrids.

The World-Renowned Scoliosis and Spine Surgeons

Founders & Pioneers of ASC: The Flexible Scoliosis Surgery

Anterior scoliosis correction brings innovation and personalization to spinal treatment. Drs. Antonacci, Betz, and Cuddihy pioneered this advanced technique for correcting the abnormal curvature of the spine brought on by scoliosis and have successfully treated over 1000 patients worldwide in their Lawrenceville, NJ, office.

To find out if ASC surgery is right for you, speak to our scoliosis and spine specialists today.

M. Darryl Antonacci MD
M. Darryl Antonacci MD, FACS, FAAOS Chief Surgeon, Founder/Director
Randal R. Betz, MD - ASC Spine Surgeon
Randal R. Betz MD
Laury A. Cuddihy, MD - ASC Spine Surgeon
Laury A. Cuddihy MD

“ASC by Drs. ABC is our multi-year, multi-generational advancement of our original techniques of Anterior Fusion, VBT, and Stapling since 2013, which we now find vastly superior to posterior metal rod fusion in our practice. Because of our pioneering evolution (four U.S. Technique Patents) of ASC by Drs.ABC, there’s virtually no curve that in our opinion, wouldn’t be better served with ASC by Drs. ABC over posterior metal rod fusion which by design destroys 100% of the functionality of your back muscles” — Dr. A.

Combined Years of Experience
0 +
Anterior Scoliosis Correction (ASC) surgeries performed on adults and children
0 +
Awards, Honors, Nominations, Patents
0 +
65+

Combined Years of Experience

Anterior Scoliosis Correction (ASC) surgeries performed on adults and children

50+

Awards, Honors, Nominations, Patents

Dr. M. Darryl Antonacci MD FACS

Lead Surgeon and Founder, Institute for Spine & Scoliosis

In 2013, Drs. ABC introduced the term ASC to distinguish their modified anterior scoliosis correction from the more limited first-generation VBT techniques and from posterior metal-rod fusion, which damages the back muscles. Today, with more than 1,000 ASC cases and multiple generations of refinements, their published data continues to confirm what they believed from the start: the future of VBT and metal rods is fading, while ASC by Drs. ABC represents a major advance in scoliosis surgery. Watch Dr. Antonacci’s 2023 interview to learn more about the concepts and success behind ASC by Drs. ABC.

A Global Leader in ASC

Dr. Antonacci is widely regarded as the leading scoliosis surgeon for this technique and is years ahead of others in the field. Patients travel from around the world for his care. About 18–20% of his caseload is international, and 70% of patients come from outside the NY-NJ-PA region. Surgeons now travel to observe as well. Drs. ABC have hosted respected scoliosis specialists from the United Kingdom, Germany, Italy, Spain, Turkey, Poland, Greece, and other countries who have come specifically to watch Dr. Antonacci perform ASC.

Awards and Recognition

Dr. Antonacci has received numerous honors throughout his career, including the Russell A. Hibbs Award from the Scoliosis Research Society twice. He remains a leading figure in modern spinal surgery and a driving force behind the evolution of ASC.

Our Professional Staff Is Ready For You!

“I would enthusiastically recommend this surgery to anybody that had scoliosis. The surgery is a real game-changer. Thank you Dr. Antonacci, Betz, and Cuddihy (Drs. ABC) .”
— Alex B – 17

Meet Drs. ABC!

Antonacci, Betz, Cuddihy — Drs ABC

Combined Years of Experience
0 +
ASC surgeries performed on adults & children
0 +
Awards, Honors, Nominations
0 +

The Most Innovative Surgery for Scoliosis in 50+ years

Anterior Scoliosis Correction by Drs. ABC effectively replaces Posterior Metal Rod Surgery

Unlike posterior metal rod surgery which 100% scars your back muscles and destroy their function, Anterior Scoliosis Correction by Drs. ABC 100% saves your back muscles and function. ASC by Drs. ABC can be performed on individuals aged 4 to 50 with curves measuring from 40 to over 90 degrees.

ASC by Dr. ABC gets better corrections with greater clinical success (See our Data). Patients with severe curvatures of the spine or stiff and mature spines may be candidates for ASC by Drs. ABC just as much as young patients with flexible scoliosis.

ASC by Drs. ABC is less invasive and muscle-sparing, with lower blood loss (<1-2% transfusion rates), negligible infection rates, and optimized recovery times compared to published Metal Rod results.

Additionally, ASC by Drs. ABC preserve the growth, mobility, and flexibility of our patients’ spines. At six to eight weeks, most patients are released to sports, and live life unencumbered by a rigidly stiff spine (like they would with posterior metal rod spinal fusion). If you’re interested in learning if ASC is the ideal solution for you or your child, submit your case for review. Any doubts, watch Dr. Antonacci’s interview above.

Request a Consultation with Dr. Antonacci

Anterior Scoliosis Correction by Drs. ABC

Drs. ABC have vast experience in both Adult and Pediatric spinal surgery. This “Think Tank” approach and elite background is how Drs. ABC achieved what no other group was able to and pioneered ASC. Review our before-and-after-surgery photos and get to know us. If you’ve been diagnosed with scoliosis and your doctor recommended posterior metal rod surgery or VBT, don’t wait: get your case reviewed right away by us.

Frequently Asked Questions

What makes ASC different from traditional spinal fusion surgery?

ASC preserves back-muscle strength and spine flexibility. Instead of rigid metal rods and fusion, ASC uses flexible cords and a front (anterior) approach, which avoids destroying discs or stiffening the spine.

Hospital stay after ASC is commonly around five days. Many patients begin to walk within the first few days and return to normal daily activities within a few weeks. Full recovery (including a return to all regular activities and solid spinal healing) typically takes between six months and a year.

Yes. ASC can be used in patients from childhood through adulthood. This gives both children and adults access to a motion-preserving, spine-saving option.

Surgery may be considered when the spinal curve is significant, progressing, or not corrected by bracing, and when it begins to affect posture, balance, or quality of life.

A consultation with experienced scoliosis specialists is the best way to determine if ASC is a good fit, especially given that ASC applies to certain curve types and severities.

Our team includes the pioneers of ASC, with extensive experience treating hundreds of scoliosis cases using this technique. Because ASC preserves muscle and spinal motion while achieving strong results, patients often benefit from fewer limitations, quicker recovery, and better long-term spinal function.

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