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Revista Brasileira de Ortopedia
versão impressa ISSN 0102-3616
MORAES, Frederico Barra de et al. Primary liposarcoma of the lumbar spine: case report. Rev. bras. ortop. [online]. 2012, vol.47, n.1, pp.124-129. ISSN 0102-3616. http://dx.doi.org/10.1590/S0102-36162012000100018.
We report a rare case of primary bone liposarcoma of the lumbar spine, for which only one case has been reported. A female patient, 60 years of age, with lumbar pain and left sciatalgy for six months. In the imaging exams, a destructive tumor was found in the L4 vertebral body, and magnetic resonance imaging (MRI) revealed a tumoral lesion with T1 hiposignal and T2 hypersignal. Histological diagnosis was difficult, and immunohistochemistry confirmed the diagnosis. Surgical treatment was performed with wide ressection, spinal cord decompression, and anterior and posterior fusion of L3 to L5 complemented by radiotherapy and chemotherapy. After three years, a computed tomography (CT) scan evidenced an expansive injury in the lung. Despite its rarity, liposarcoma should be considered in the differential diagnosis of sciatica and primary tumors of the spine.
Palavras-chave : Primary Liposarcoma; Bone Neoplasms; Lumbar Vertebrae.