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Aneurysmal Bone Cysts of Spine: An Enigmatic Entity
Wani Ahad Abrar1, Arif Sarmast1, Altaf Ramzan Sarabjit Singh1
1Department of Neurosurgery, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India.
Aims:
The study was done to review the literature about the intriguing aspects of the aneurysmal bone cyst and to describe our experience with these cases.
Design:
Retrospective.
Material And Method:
We reviewed the records of all patients with primary spinal tumours whom we managed over last 8 years. We selected the patients with biopsy proven aneurysmal bone cyst (ABC) for our study.
Results:
Four patients (two males and two females) were included. The age ranged from 15-18 years. Three of them had neurological deficits and one had only pain. All of them were operated and three required instrumentation for stabilization. Neurological deficits improved in all the cases. However we had to re- operate one of the cases for recurrence and that patient was administered adjuvant radiotherapy.
Conclusions:
ABC is not a tumour in real sense but due to destructive nature that are classified as tumours. The patients have an excellent outcome as the disease is benign and has very low recurrence rates if surgical excision is complete. Best treatment modality is complete excision. Aneurysmal bone cyst is one of the uncommon tumors of the spine, and many of its features continue to be unclear even today. There is ambiguity about the definition, etiopathogenesis, radiological characteristics, histopathology and treatment modalities. They are common in young age and etiology is not clear. The presentation is varied with pain being the common symptom and neurological deficit depends on extent of cord involvement. The best treatment is controversial although surgery is believed to be curative in the majority of cases. We here describe our experience with four such cases who had varied clinical presentation and outcome.
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