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Clin Orthop Relat Res. 2009 Nov;467(11):2949-54. doi: 10.1007/s11999-009-1008-2. Epub 2009 Aug 4.

Results of a minimally invasive technique for treatment of unicameral bone cysts.

Author information

1
Department of Orthopaedic Surgery, Istanbul Cerrahi Hastanesi, Istanbul, Turkey. gokcemik@hotmail.com

Abstract

Unicameral bone cysts are benign bone lesions commonly seen in pediatric patients. Several treatment methods have been described with variable results and high recurrence rates. We previously reported short-term success of a minimally invasive technique that includes combining percutaneous decompression and grafting with medical-grade calcium sulfate pellets. The purpose of this study was to review the additional long-term results with a minimum followup of 24 months (average, 37 months; range, 24-70 months). We identified 55 patients with an average age of 10.8 years (range, 1.3-18 years). Forty-one of 55 lesions occurred in the humerus and femur. Forty-four of 55 (80%) patients had a partial or complete response after initial surgery; of these, seven obtained a partial or complete response after a repeat surgery (cumulative healing rate, 94%). Two patients underwent a third surgery (cumulative healing rate, 98%). One underwent a third repeat surgery (cumulative healing rate, 100%). There were no major complications associated with the procedure. Two patients had a superficial infection that resolved with oral antibiotics. Although some patients required a repeat procedure, complete or partial response at a minimum 24 months' followup was achieved in all patients.

LEVEL OF EVIDENCE:

Level IV, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.

PMID:
19653053
PMCID:
PMC2758954
DOI:
10.1007/s11999-009-1008-2
[Indexed for MEDLINE]
Free PMC Article

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