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Print version ISSN 1130-1473


DIAZ-MARTIN, A.A.; GUERRERO-MOYANO, N.; GUERADO-PARRA, E.  and  QUESADA-RUBIO, J.A.. Spine cord descompresion and instrumentation in a case of solid aneurysmal bone cyst in the lumbar spine. Neurocirugía [online]. 2010, vol.21, n.3, pp.240-244. ISSN 1130-1473.

We report a 8-year-old boy with two month history of pain and stiffness in his left lower extremity. On x-ray, MRI and scintigraphy examinations a lytic lesion affecting the body and posterior arc of his third lumbar vertebral become evident. The tumour was excised through a double, anterior and posterior approach; spinal fusion with posterior transpedicular instrumentation was also performed in the same procedure; in order to achieve solid fusion tricortical liofilized graft was also inserted. Histological studies evidenced finding compatible with aneurismal bone cyst solid variant. Five years after surgery the patient is pain free and no recurrence is evident under diagnostic images tools. For the treatment of aneurismal bone cyst of the spine we recommend complete excision of the tumour in a combined anterior and posterior one staged procedure, together with hardware instrumentation and bone graft, no recurrence or instability is seen after five years followup.

Keywords : Lumbar spine; Aneurysmal bone cyst; Spinal stabilization.

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