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  • Title: Combined spinal intramedullary arteriovenous malformation and lipomyelomeningocele.
    Author: Weon YC, Chung JI, Roh HG, Eoh W, Byun HS.
    Journal: Neuroradiology; 2005 Oct; 47(10):774-9. PubMed ID: 16136266.
    Abstract:
    Combined spinal arteriovenous malformation and lipomyelomeningocele are extremely rare. We present a rare combined case of a lipomyelomeningocele with an intramedullary arteriovenous malformation (AVM) occurred at the L3-L4 level in a 30-year-old man who suffered from low back pain radiating to the lower extremities, dysuria, and frequency for 5 years. The MR studies showed an intradural mass with high-signal intensity on both T1-weighted and T2-weighted images, intermingled with multiple signal-void structures. The mass extended extradurally toward a subcutaneously forming fatty mass on the patient's back. Spinal angiography showed an AVM supplied by the radiculopial branches of the lumbar arteries and drained by tortuous, dilated, perimedullary veins. Endovascular embolization and surgical resection were performed.
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