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  • Title: Aggressive plasmablastic lymphoma of the thoracic spine presenting as acute spinal cord compression in a case of asymptomatic undiagnosed human immunodeficiency virus infection.
    Author: Harris E, Butler JS, Cassidy N.
    Journal: Spine J; 2014 Jul 01; 14(7):e1-5. PubMed ID: 24362000.
    Abstract:
    BACKGROUND CONTEXT: Plasmablastic lymphoma (PBL) is a rare aggressive variant of diffuse large B-cell lymphoma. PURPOSE: We describe a rare case of an aggressive PBL presenting as acute spinal cord compression requiring thoracic decompression and fusion, in a case of previously undiagnosed human immunodeficiency virus (HIV) infection. STUDY DESIGN: A case report. PATIENT SAMPLE: A patient with PBL of the thoracic spine. OUTCOME MEASURES: Preoperative magnetic resonance imaging, pathologic findings from the operative specimen, and serum HIV testing confirmed the diagnosis. METHODS: We present the case of a 33-year-old Caucasian woman with a 10-day history of thoracic back pain and a 1-day history of sudden-onset bilateral lower limb weakness and paresthesia from below the level of the umbilicus (American Spinal Injury Association [ASIA] Grade C). Magnetic resonance imaging demonstrated an extradural mass extending from T3 to T6 within the left posterior canal, resulting in significant cord compression. A complete debulking of the tumor mass and an instrumented posterior thoracic fusion was performed. RESULTS: Histopathologic examination of the specimen revealed tumor cells of PBL, and subsequent HIV testing was positive. She was treated with intravenous and intrathecal chemotherapy to prevent recurrence. Her lower limb neurologic status improved to ASIA Grade D over the subsequent 2 weeks. CONCLUSIONS: We report the case of an aggressive PBL presenting as acute spinal cord compression requiring urgent surgical intervention, on a background of undiagnosed HIV infection.
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