Dural ectasia in the Marfan syndrome: MR and CT findings and criteria

被引：66

作者：

Ahn, NU

Sponseller, PD

Ahn, UM

Nallamshetty, L

Rose, PS

Buchowski, JM

Garrett, ES

Kuszyk, BS

Fishman, EK

Zinreich, SJ

机构：

[1] Johns Hopkins Univ, Sch Med, Dept Radiol, Baltimore, MD 21205 USA

[2] Johns Hopkins Univ, Sch Med, Dept Oncol, Div Biostat, Baltimore, MD 21205 USA

[3] Johns Hopkins Univ, Sch Med, Dept Orthopaed Surg, Baltimore, MD 21205 USA

来源：

GENETICS IN MEDICINE | 2000年 / 2卷 / 03期

关键词：

Marfan syndrome; connective tissue disease; dural ectasia; spinal deformity; diagnosis criteria;

D O I：

10.1097/00125817-200005000-00003

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

Purpose: To create criteria for detecting dural ectasia on MR or CT images in adult Marfan patients. Methods: Images were analyzed using a workstation. Parameters that predicted dural ectasia were included in our criteria. Results: Major criteria include: (1) width of dural sac below L5 > width above L4; (2) anterior sacral meningocele. Minor criteria include: (1) L5 nerve root sleeve diameter > 6.5 mm and (2) S1 scalloping > 3.5. Dural ectasia exists if 1 major or 2 minor criteria are present. Conclusion: MR and CT diagnose dural ectasia with high specificity and sensitivity. Our criteria accurately diagnose dural ectasia in adult Marfan patients.

引用

页码：173 / 179

页数：7

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