Archives of Orthopaedic and Trauma Surgery

, Volume 131, Issue 2, pp 167–172 | Cite as

Feasibility of a navigated registration technique in FAI surgery

  • Daniel KendoffEmail author
  • Mustafa Citak
  • Volker Stueber
  • Leah Nelson
  • Andrew D. Pearle
  • Friedrich Boettner
Orthopaedic Surgery



Arthroscopic femoral osteoplasties might be technically demanding, might cause prolonged operative times and restrict the intraoperative overview. An automated navigated matching process of preoperative CT-data and intraoperative fluoroscopy should allow for noninvasive registration for FAI-surgery.


Six hip joints were used with a conventional navigation system. Defined osseous lesion (2 × 2 mm) in the femoral neck, head neck junction, and head region were created followed by automated segmentation including CT-fluoro image fusion by the navigation system. Precision of registration process was tested trough a lateral arthroscopic portal. In vivo distances between pointer tip to bone were measured. Secondary in vivo distances between an inserted navigated shaver and the osseous lesions were measured.


Our results allow a CT-fluoroscopy matching procedure for noninvasive registration process for navigated FAI-surgery in multiplanar planes. Precision is more accurate at the femoral neck and head-neck junction than at the femoral head area.


Future navigated applications might simplify and increase precision of FAI-surgery.


Femoral acetabular impingement Navigation system Validation Fluoroscopy Accuracy CT-fluoroscopy 


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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • Daniel Kendoff
    • 1
    • 2
    Email author
  • Mustafa Citak
    • 2
    • 3
  • Volker Stueber
    • 2
  • Leah Nelson
    • 2
  • Andrew D. Pearle
    • 2
  • Friedrich Boettner
    • 2
  1. 1.Department of Orthopaedic SurgeryENDO-Klinik Hamburg GmbHHamburgGermany
  2. 2.Orthopaedic SurgeryHospital for Special SurgeryNew YorkUSA
  3. 3.Department of SurgeryBG-University Hospital BergmannsheilBochumGermany

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