Modarresifar Homayoun, Ho Linh
Division of Nuclear Medicine and PET Imaging, University of Southern California, Los Angeles, California, USA.
Clin Nucl Med. 2009 Mar;34(3):151-2. doi: 10.1097/RLU.0b013e3181966dd4.
We present a case with intractable partial complex seizures in a 14-year-old girl who was found to have brain heterotopia on MRI and PET-CT. The patient presented with intractable partial complex seizures and a normal electroencephalogram. Her brain magnetic resonance imaging showed heterotopic gray matter lining the ventricular margin of the right occipital horn. Subsequent PET-CT demonstrated moderate tracer localization in the heterotopic gray matter surrounding the ventricular margin of the right occipital horn. Heterotopia may demonstrate normal or increased FDG uptake on PET, therefore its appearance may be deceiving when other pathologies are being considered.
我们报告一例14岁女孩，患有难治性部分性癫痫发作，磁共振成像（MRI）和正电子发射断层扫描-计算机断层扫描（PET-CT）显示其存在脑异位。该患者表现为难治性部分性癫痫发作，脑电图正常。她的脑磁共振成像显示右枕角脑室边缘有异位灰质。随后的PET-CT显示右枕角脑室边缘周围的异位灰质中有中度示踪剂定位。脑异位在PET上可能显示正常或增加的氟代脱氧葡萄糖（FDG）摄取，因此在考虑其他病变时，其表现可能具有误导性。
