Journal
ORTHOPAEDICS & TRAUMATOLOGY-SURGERY & RESEARCH
Volume 106, Issue 7, Pages 1313-1318Publisher
ELSEVIER MASSON, CORP OFF
DOI: 10.1016/j.otsr.2019.12.024
Keywords
Bone cyst; Aneurysm; Sclerotherapy; Growth
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Introduction: Aneurysmal bone cyst (ABC) is a benign bone lesion of childhood and adolescence. It can be locally aggressive, with risk of fracture. Management is controversial. The aim of the present study was to assess the efficacy, simplicity and tolerance of percutaneous alcohol-bases sclerotherapy in ABC. Hypothesis: Alcohol-based sclerotherapy for ABC under radiographic control is safe and effective. Material and Methods: A single-center retrospective study for the period 2008-2016 included all of the 55 ABCs, in 54 patients, confirmed on pathology and treated by alcohol-based sclerotherapy under radio-graphic control. Mean age at diagnosis was 9.6 years. ABC involved the humerus in 30 cases (54%), tibia in 7 (13%) and femur in 5 (9%). Mean follow-up was 50.9 months (range, 16-117 months). Mean number of applications was 1.7 (range, 1-4). Results were assessed clinically (pain, return to sport, limb length and alignment, revision surgery) and radiologically. The main endpoint was lesion volume reduction. The secondary endpoint was failure, defined by open revision surgery or pain preventing return to a sports activity. Results: Clinical progression was favorable in 36 patients (67%), and radiological progression in 45 (85%). Only 1 cyst required secondary resection. One patient experienced spontaneously resolving intraoperative bradycardia. Male gender and young age emerged as factors for poorer response. Discussion: ABC management in children can be made difficult by lesion size, aggressiveness, location, proximity to the growth plate and small bone stock. Alcohol-based sclerotherapy is simple, reliable and effective in childhood ABC, and may be a first-line attitude, avoiding recourse to invasive surgery. (C) 2020 Elsevier Masson SAS. All rights reserved.
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