Prosthetic reconstruction for periacetabular malignant tumors.
This article reports the reconstruction method and functional results of a newly designed tumor hip prosthesis with a constrained joint mechanism which was used after treatment for 13 primary and 5 metastatic periacetabular malignant bone tumors. The overall 5-year survival rate for patients with primary tumors (n=13) was 50%. The local recurrence rate was 30%. More than 90% of the patients whose hips were reconstructed with the constrained tumor hip prosthesis experienced pain relief and were able to walk with a cane. No patients had greater than 3 cm shortening of the involved limb. Infection was the most serious complication. This prosthesis restored iliofemoral stability after surgical resection of periacetabular malignant tumors.
Uchida
A
A
Department of Orthopaedic Surgery, Osaka University Medical School, Japan.
Myoui
A
A
Araki
N
N
Yoshikawa
H
H
Ueda
T
T
Aoki
Y
Y
D000077:Acetabulum; D000293:Adolescent; D000328:Adult; D000368:Aged; D001859:Bone Neoplasms / Q000556:secondary / Q000601:surgery*; D005260:Female; D006622:Hip Prosthesis / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D011474:Prosthesis Design; D016459:Prosthesis-Related Infections / Q000209:etiology; D016896:Treatment Outcome