颈部冬眠瘤的影像学表现。
Imaging findings of a hibernoma of the neck.
作者信息
da Motta A C B S, Tunkel D E, Westra W H, Yousem D M
机构信息
Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins Hospital, Baltimore, MD 21287, USA.
出版信息
AJNR Am J Neuroradiol. 2006 Sep;27(8):1658-9.
Abstract
Hibernoma is an uncommon benign fatty tumor that arises from the vestiges of fetal brown fat. We present a case report of a hibernoma of the neck in an asymptomatic 19-year-old girl and describe the important imaging findings. Computed tomography (CT) shows a well defined hypodense mass with septations. Magnetic resonance imaging (MRI) shows intermediate T1 and bright T2 signal of the mass and also demonstrates the characteristic marked contrast enhancement.
摘要
冬眠瘤是一种罕见的良性脂肪肿瘤，由胎儿棕色脂肪遗迹产生。我们报告一例19岁无症状女孩颈部冬眠瘤的病例，并描述重要的影像学表现。计算机断层扫描（CT）显示一个边界清晰的低密度肿块，有分隔。磁共振成像（MRI）显示肿块在T1加权像呈中等信号，T2加权像呈高信号，且有特征性的明显强化。
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