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Acetabular reconstruction with an ice‐cream cone prosthesis following resection of pelvic tumors: Does computer navigation improve surgical outcome?
Author(s) -
Fujiwara Tomohiro,
Sree Deepak V.,
Stevenson Jonathan,
Kaneuchi Yoichi,
Parry Michael,
Tsuda Yusuke,
Le Nail LouisRomée,
Medellin Ricardo M.,
Grimer Robert,
Jeys Lee
Publication year - 2020
Publication title -
journal of surgical oncology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.201
H-Index - 111
eISSN - 1096-9098
pISSN - 0022-4790
DOI - 10.1002/jso.25882
Subject(s) - medicine , surgery , prosthesis , implant , complication , ice cream , food science , chemistry
Background and Objectives Acetabular reconstruction with a coned‐stem prosthesis has been one of the reliable procedures following pelvic tumor resections but is associated with a risk of complications and postoperative morbidity. We investigated whether navigated reconstruction could decrease the complication rate and optimize outcomes. Methods A retrospective study was conducted on 33 patients who underwent acetabular resection and reconstruction with ice‐cream cone prostheses; outcomes were compared between the navigated and nonnavigated groups. Results A clear margin was obtained in 91% and 82% of the navigated and nonnavigated groups, respectively. The local recurrence (LR) rate was 12%, and all LRs occurred in the nonnavigated group. The rate of major complications requiring surgical intervention was significantly lower in the navigated group (9%) than in the nonnavigated group (50%; P  = .024). Two implant failures occurred in the nonnavigated group. Functional outcomes were significantly correlated with the occurrence of major complications ( P  = .010) and the use of navigation ( P  = .043); superior functional scores were observed in the navigated group (Musculoskeletal Tumor Society, 73% vs 55%; Toronto Extremity Salvage Score, 73% vs 56%). Conclusion Ice‐cream cone prosthesis is an acceptable reconstruction modality following periacetabular tumor resections, and computer navigation are useful to facilitate proper resection margins and implant position.

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