%0 Journal Article %T Descompresi車n medular e instrumentaci車n en un caso de variante s車lida de quiste 車seo aneurism芍tico en raquis lumbar Spine cord descompresion and instrumentation in a case of solid aneurysmal bone cyst in the lumbar spine %A A.A. D赤az-Mart赤n %A N. Guerrero-Moyano %A E. Guerado-Parra %A J.A. Quesada-Rubio %J Neurocirug赤a %D 2010 %I Scientific Electronic Library Online %X Se discute el caso de un paciente var車n de ocho a os de edad que refer赤a dolor y limitaci車n funcional en extremidad inferior izquierda. Tras estudios complementarios mediante radiograf赤as, tomograf赤a axial computarizada, resonancia magn谷tica y gammagraf赤a se evidenci車 la presencia de una lesi車n osteol赤tica en cuerpo y arco posterior de la tercera v谷rtebra lumbar. La tumoraci車n fue resecada a trav谷s de doble abordaje (anterior retroperitoneal y posterior) e instrumentaci車n pedicular posterior con aporte estructural de hueso tricortical liofilizado en un solo tiempo. El diagn車stico histol車gico revel車 la presencia de variante s車lida de un quiste 車seo aneurism芍tico. Cinco a os tras la cirug赤a el paciente no present車 dolor lumbar ni recurrencia de la enfermedad. La resecci車n completa del tumor junto con instrumentaci車n pedicular previno recidivas y desarrollo de inestabilidad. 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. %K Columna lumbar %K Quiste 車seo aneurism芍tico %K Artrodesis lumbar %K Lumbar spine %K Aneurysmal bone cyst %K Spinal stabilization %U http://scielo.isciii.es/scielo.php?script=sci_arttext&pid=S1130-14732010000300006