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Related Experiment Videos

Percutaneous Ethibloc injection in aneurysmal bone cysts.

N K Garg1, H Carty, H P Walsh

  • 1Department of Orthopaedics, Royal Liverpool Children's Hospital, UK.

Skeletal Radiology
|June 16, 2000
PubMed
Summary

Ethibloc injections effectively treat aneurysmal bone cysts by stopping expansion and promoting new bone growth. This minimally invasive approach offers a viable alternative to surgery for most patients.

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Area of Science:

  • Orthopedic Surgery
  • Interventional Radiology
  • Biomaterials Science

Background:

  • Aneurysmal bone cysts (ABCs) are benign, expansile bone lesions often requiring surgical intervention.
  • Previous treatments for ABCs include curettage, bone grafting, and sclerotherapy, with varying success rates and complication profiles.
  • Ethibloc, a thrombogenic and fibrogenic zein-based solution, presents a potential minimally invasive treatment option.

Purpose of the Study:

  • To evaluate the efficacy and safety of Ethibloc injection for treating aneurysmal bone cysts.
  • To determine if Ethibloc can serve as a primary treatment or an alternative for recurrent or refractory ABCs.

Main Methods:

  • Ten patients with ABCs underwent CT-guided percutaneous Ethibloc injection.
  • Ethibloc was used as primary treatment in five patients, and for recurrent/refractory cases in five.

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  • Median follow-up was 27 months, with some patients requiring a second injection.

    • Main Results:

    • All patients experienced symptom relief.
    • Radiographic resolution occurred in seven patients; three showed partial response.
    • Minor complications included transient inflammation (two patients) and an aseptic abscess (one patient).

    Conclusions:

    • CT-guided Ethibloc injection is a safe and effective minimally invasive treatment for aneurysmal bone cysts.
    • The procedure halts cyst expansion and stimulates new bone formation, potentially avoiding surgery.
    • This technique is suitable for primary management of non-spinal ABCs.