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酷似病变的巨大蛛网膜颗粒。三例报告。

Giant arachnoid granulations mimicking pathology. A report of three cases.

作者信息

De Keyzer Bart, Bamps Sven, Van Calenbergh Frank, Demaerel Philippe, Wilms Guido

机构信息

Department of Radiology, UZ Leuven, Campus Gasthuisberg; Leuven, Belgium -

Department of Radiology, UZ Leuven, Campus Gasthuisberg; Leuven, Belgium.

出版信息

Neuroradiol J. 2014 Jun;27(3):316-21. doi: 10.15274/NRJ-2014-10047. Epub 2014 Jun 17.

DOI:10.15274/NRJ-2014-10047
PMID:24976198
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4202885/
Abstract

We describe three cases of incidentally found lesions in the dural venous sinuses on magnetic resonance imaging, that other had erroneously considered pathological entities. We made the diagnosis of giant arachnoid granulations. The differential diagnosis with thrombosis or intrasinusal tumoral lesions was easily made on the basis of three typical radiological features of the granulations: the hyperintensity of the lesions on FLAIR, a blood vessel within the lesion and bone erosion.

摘要

我们描述了3例在磁共振成像中偶然发现的硬脑膜静脉窦病变，其他人曾错误地将其视为病理实体。我们诊断为巨大蛛网膜颗粒。根据颗粒的三个典型放射学特征，即液体衰减反转恢复序列（FLAIR）上病变的高信号、病变内的血管和骨质侵蚀，很容易与血栓形成或窦内肿瘤性病变进行鉴别诊断。

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本文引用的文献

1
"Giant" arachnoid granulations just like CSF?: NOT!!“巨大”蛛网膜颗粒就像 CSF 一样？：不是！！
AJNR Am J Neuroradiol. 2010 Oct;31(9):1724-8. doi: 10.3174/ajnr.A2157. Epub 2010 Jun 25.
2
Pseudotumor cerebri syndrome and giant arachnoid granulation: treatment with venous sinus stenting.假性脑瘤综合征和巨大蛛网膜颗粒：静脉窦支架置入治疗。
J Vasc Interv Radiol. 2010 Jun;21(6):927-9. doi: 10.1016/j.jvir.2010.02.018.
3
Giant arachnoid granulation misdiagnosed as transverse sinus thrombosis.巨大蛛网膜颗粒误诊为横窦血栓形成。
J Korean Neurosurg Soc. 2008 Jan;43(1):48-50. doi: 10.3340/jkns.2008.43.1.48. Epub 2008 Jan 20.
4
Large arachnoid granulations involving the dorsal superior sagittal sinus: findings on MR imaging and MR venography.累及上矢状窦背侧的大型蛛网膜颗粒：磁共振成像和磁共振静脉造影表现
AJNR Am J Neuroradiol. 2008 Aug;29(7):1335-9. doi: 10.3174/ajnr.A1093. Epub 2008 Apr 16.
5
Incidental giant arachnoid granulation.偶然发现的巨大蛛网膜颗粒。
AJNR Am J Neuroradiol. 2006 Aug;27(7):1491-2.
6
Giant arachnoid granulation mimicking dural sinus thrombosis in a boy with headache: MRI.一名头痛男孩中酷似硬脑膜窦血栓形成的巨大蛛网膜颗粒：磁共振成像
Neuroradiology. 1998 Mar;40(3):181-3. doi: 10.1007/s002340050564.
7
Normal appearance of arachnoid granulations on contrast-enhanced CT and MR of the brain: differentiation from dural sinus disease.脑增强CT和MR上蛛网膜颗粒的正常表现：与硬脑膜窦疾病的鉴别
AJNR Am J Neuroradiol. 1996 Sep;17(8):1523-32.
8
Arachnoid granulations in the transverse and sigmoid sinuses: CT, MR, and MR angiographic appearance of a normal anatomic variation.横窦和乙状窦内的蛛网膜颗粒：正常解剖变异的CT、MR及MR血管造影表现
AJNR Am J Neuroradiol. 1996 Apr;17(4):677-83.
9
MR of giant arachnoid granulation, a normal variant presenting as a mass within the dural venous sinus.巨大蛛网膜颗粒的磁共振成像，一种表现为硬脑膜静脉窦内肿块的正常变异。
AJNR Am J Neuroradiol. 1995 Apr;16(4 Suppl):901-4.