PET/CT and MR Features of Infiltrating Spinal Angiolipoma

Spinal angiolipomas are benign tumors predominantly found in the epidural space. Infiltrating spinal angiolipoma is an extremely rare type, which tends to invade the surrounding tissue and may mimic an aggressive tumor. Herein, we reported the case of a 64-year-old woman with a thoracic angiolipoma involving the T9 vertebral body and its appendix. The lesion showed long T1 and T2 signal intensity on MRI and slightly increased FDG uptake on PET/CT. After surgery, the pathologic examination demonstrated features consistent with angiolipoma, and the patient was free of symptoms. Received for publication September 2, 2018; revision accepted October 22, 2018. Conflicts of interest and sources of funding: This study was supported by National Natural Science Foundation of China (Grant No.81471692). None declared to all authors. Correspondence to: Anren Kuang, MD, Department of Nuclear Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu (610041), People's Republic of China. E-mail: kuanganren@263.net. Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.

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