Erschienen in:
01.10.2014 | Review Article
Pedicle subtraction osteotomy for the treatment of chin-on-chest deformity in a post-radiotherapy dropped head syndrome: a case report and review of literature
verfasst von:
Luigi Caruso, Giuseppe Barone, Andrea Farneti, Auro Caraffa
Erschienen in:
European Spine Journal
|
Sonderheft 6/2014
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Abstract
Purpose
Chin-on-chest deformity is a rare and severe condition mostly related with ankylosing spondylitis, traumas and/or cervical spine surgery. We present a case of 69 years old woman with a rare form of chin-on-chest secondary to dropped head syndrome (DHS), developed after radiotherapy for Hodgkin disease. In addition, we reviewed the few publications about this specific condition; management and surgical treatment of DHS are discussed.
Methods
We performed a pedicle subtraction osteotomy (PSO) and stabilization through a posterior approach. Intraoperative monitoring using motor and somatosensory evoked potentials and wake-up test were carried out.
Results
At 19th month follow-up, the patient reported a significant improvement of cervical pain, dysphagia and respiratory difficulty and a complete restoration of the neurological impairment. The achieved correction was successful and the patient was very satisfied by the restoration of forward gaze.
Conclusions
DHS is a very rare post-radiotherapy complication; there is lack of evidences in literature about its management. The only definitive treatment seems to be surgical intervention. PSO is a valid therapeutic option when fixed chin-on-chest deformity occurs; although it is a demanding technique and it presents high rate of complications, the actual neurological monitoring methods provide more intraoperative safety.