Terstegge K, Schörner W, Henkes H, Heye N, Hosten N, Lanksch W R
Department of Radiology, Rudolf Virchow Hospital, Freie Universität, Berlin, Germany.
AJNR Am J Neuroradiol. 1994 Mar;15(3):555-60.
We used MR imaging to analyze retrospectively the pattern of hyperostosis occurring concomitantly with recurrent sphenoid wing meningiomas.
Bone involvement was compared in 12 corresponding CT and MR studies of 10 female patients with sphenoid wing meningiomas recurrence after earlier surgical treatment. Four of these had histologically confirmed meningiomatous infiltration of the bone.
All patients had CT findings of localized hyperostosis of parts of the sphenoid wings. MR revealed inhomogeneous areas of slightly increased signal intensity in hyperostotic bone on T2-, proton density- and T1-weighted sequences. In nine of 10 patients, segments of the hyperostotic bone showed different degrees of gadolinium enhancement.
Because earlier studies have revealed high incidences of meningiomatous bone infiltration in sphenoid wing meningiomas, and because infiltration was confirmed in four of our patients, we postulate that the gadolinium enhancement in the area of hyperostosis may be related to meningiomatous bone infiltration.
我们采用磁共振成像（MR）对复发性蝶骨嵴脑膜瘤伴发的骨质增生模式进行回顾性分析。
对10例曾接受手术治疗后复发的女性蝶骨嵴脑膜瘤患者的12组相应CT和MR研究进行骨受累情况比较。其中4例经组织学证实存在脑膜瘤骨浸润。
所有患者CT均显示蝶骨嵴部分区域局限性骨质增生。MR显示在T2加权、质子密度加权和T1加权序列上，骨质增生部位信号强度略有增加的不均匀区域。10例患者中有9例，骨质增生部位显示不同程度的钆增强。
由于早期研究显示蝶骨嵴脑膜瘤中脑膜瘤骨浸润的发生率很高，且我们的4例患者证实存在浸润，因此我们推测骨质增生区域的钆增强可能与脑膜瘤骨浸润有关。
