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Treatment of Unicameral Bone Cysts Utilizing the Sclerograft™ Technique

  • Clinical Investigation
  • Musculoskeletal Interventions
  • Published:
CardioVascular and Interventional Radiology Aims and scope Submit manuscript

Abstract

Purpose

To evaluate the Sclerograft™ procedure, which is an image-guided, minimally invasive approach of chemical sclerotherapy followed by bone grafting of unicameral bone cysts (UBC).

Materials and Methods

A retrospective evaluation from August 2018 through August 2023 was performed at a single institution on patients that underwent the Sclerograft™ procedure for UBCs. Radiographic healing was evaluated utilizing the Modified Neer Classification. Two different regenerative grafts, CaSO4–CaPO4 and HA-CaSO4 were utilized. A total of 50 patients were evaluated with 41 patients grafted with CaSO4–CaPO4 and 9 patients grafted with HA-CaSO4.

Results

The average age of the patient was 12.1 years with an average radiographic follow-up of 14.5 months. Average cyst size was 5.5 cm in the largest dimension and average cyst volume was 20.2 cc. 42 out of 50 (84%) showed healed cysts (Modified Neer Class 1) on the most recent radiograph or MRI. Recurrences occurred on average at 7.2 months. Activity restrictions were lifted at 3–4.5 months post-procedure. Cyst stratification by size did not show a difference in recurrence rates (p = 0.707). There was no significant difference in recurrence rate between lesions abutting the physis compared to those that were not abutting the physis (p = 0.643). There were no major complications.

Conclusions

The Sclerograft™ procedure is an image-guided approach to treating unicameral bone cysts, utilizing chemical sclerosis and regenerative bone grafting. The radiographic healing of cysts compares favorably to open curettage and grafting as determined utilizing previously published trials.

Graphical Abstract

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Funding

This study was not supported by any funding.

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Authors and Affiliations

  1. Department of Medical Imaging-Interventional Radiology, Ann & Robert H. Lurie Children’s Hospital of Chicago, 225 E, Chicago Avenue, Box 9, Chicago, IL, USA

    Shankar Rajeswaran, Joe Baker, Julie Chesterton, Jonathan Samet, Ahsun Riaz, Samdeep Mouli, Bartley Thornburg, Samer Attar, Terrance Peabody & James Donaldson

  2. Northwestern University Feinberg School of Medicine, 420 E Superior Street, Chicago, IL, 60611, USA

    Shankar Rajeswaran, Michelle Wiese, Joe Baker, Jonathan Samet, Ahsun Riaz, Samdeep Mouli, Bartley Thornburg, Samer Attar, Terrance Peabody & James Donaldson

  3. Joe DiMaggio Children’s Hospital, 1005 Joe DiMaggio Dr, Hollywood, FL, 33021, USA

    Jared Green

Authors
  1. Shankar Rajeswaran
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  2. Michelle Wiese
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  3. Joe Baker
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  4. Julie Chesterton
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  5. Jonathan Samet
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  6. Jared Green
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  7. Ahsun Riaz
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  8. Samdeep Mouli
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  9. Bartley Thornburg
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  10. Samer Attar
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  11. Terrance Peabody
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  12. James Donaldson
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Contributions

SM: Boston Scientific Consultant, Siemens Corp research funding, SR: Owner of trademark Sclerograft™ and has not received any financial compensation for this trademark, AR: Boston Scientific consultant.

Corresponding author

Correspondence to Michelle Wiese.

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Conflict of interest

The authors do not have any conflicts of interest related to the submission of this manuscript.

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. This study was approved by the Institutional Review Board at Lurie Children’s Hospital.

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Rajeswaran, S., Wiese, M., Baker, J. et al. Treatment of Unicameral Bone Cysts Utilizing the Sclerograft™ Technique. Cardiovasc Intervent Radiol 47, 346–353 (2024). https://doi.org/10.1007/s00270-024-03671-7

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  • DOI: https://doi.org/10.1007/s00270-024-03671-7

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