Advancements & Patents in ASC By Drs ABC

The World-Renowned Scoliosis and Spine Surgeons

Founders & Pioneers of ASC: The Flexible Scoliosis Surgery

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
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Russ Rowgo profile picture
Russ Rowgo
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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 profile picture
Geraldine Tama
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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
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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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Gil Hirsch profile picture
Gil Hirsch
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Hands down the most talented, pioneering, thoughtful, and professional team for scoliosis correction. Our daughter was diagnosed with a 47deg Scoliosis at age 11. After meeting with many fine professionals, all recommending old-style fusion surgeries, we met with Dr. Betz and his team who offered an advanced approach (Anterior Scoliosis Correction), which keeps the spine flexible, with much quicker recovery time (2w out of bed, ~2mo for complete recovery), minimal scarring, and zero pain/discomfort post recovery. The team's bedside manners are amazing, before, during hospitalization, and after. Their support team is just as amazing, which is super appreciated with all the parental stress they have to deal with. Highly recommended.
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Anne Strominger profile picture
Anne Strominger
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The Institute for Spine and Scoliosis performed a truly miraculous surgery for my teenage son. Drs. Antonacci, Betz & Cuddihy are not only extremely talented leaders in their field, they are incredibly kind and caring. Such a rare combination these days, and we are forever thankful we found them!
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Jodi Crego profile picture
Jodi Crego
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We coudn' be happier with our decision to haven't our daughter's surgery with the ABC team. The hospital nurses and staff were amazing and the surgery was more successful than we imagined. We are 4 months post surgery and my daughter is doing great. She was back to school after 4 weeks and back to running after 6 weeks. We are very thankful to have found this fusion-less option.
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Rachel Weaver profile picture
Rachel Weaver
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This team is the best of the best!! From the moment I got the call that my daughter was a candidate, to the consult, through the surgery and recovery, and now 3 months post op they have held our hand the entire way! My daughter had double ASC with almost perfect results! We are thrilled and so grateful!!!
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Diane Payne profile picture
Diane Payne
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This group of doctors cares about every patient as if they were their own family. We couldn't be more pleased with the results of our daughters surgery.
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Karen Lavin profile picture
Karen Lavin
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Wonderful team of Dr.'s who have changed our daughter's life. There is a unique ability to explain the procedure and what to expect from beginning to end and the personal connection and availability is unmatched. We have been up and down the east coast and these doctors are, from our experience are the best. We are so blessed to have found them.

2014 Firsts

  • First Lumbar Scoliosis ASC (T11-L3): 5/4/2014
  • First Double curve, non-overlapping screws (T5-11/T12-L2): 5/19/2014
  • First VBS to ASC conversion (T11-L3): 12/15/2014
  • First Hybrid Metal Rod/ASC cases

2015 Firsts

  • First Double curve, overlapping screws (T5-11/T11-L2): 5/14/2015
  • First Scoliosis/Spondylolisthesis T4-11/T11-L3, 8/31/2015 
  • First ASC for Spinal Cord Injury T11-L5: 12/7/2015
  • First Congenital ASC T7-L1, T10 hemi excision: 12/7/2015
  • First Oldest ASC (51y/o): 8/2015, and oldest 53y/o
  • Lumbar curves to L4
  • Released levels 1-3 Thoracic
  • Staged Surgeries for large, stiff curves
  • Double screw Technique

2018 Firsts

  • First Early Onset Scoliosis ASC T7-L3: 2/19/2018 – 7y/o
  • Youngest EOS ASC T7-L2: 9/14/2018 – 5y/o
  • 3-6 levels released thoracic
  • Double screw technique

2020-22 Firsts

  • Quadruple Cord Technique
  • Quadruple Screw Transition
  • Nearly every level released Thoracic & Lumbar T4-L4
Awarded Patents
17 Oct 2026
17 Oct 2026

US-20220192714-A1

Method For Improved Spinal Correction Surgery Implementing Non-Fusion Anterior Scoliosis Correction Techniques With Vertebrae De-Rotation

View Patent
17 Oct 2026
17 Oct 2026

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