MUSCLE MAGNETIC RESONANCE IMAGING IN CONGENITAL MYASTHENIC SYNDROMES

被引：22

作者：

Finlayson, Sarah ^{[1
,2
]}

Morrow, Jasper M. ^{[3
]}

Cruz, Pedro M. Rodriguez ^{[1
,2
]}

Sinclair, Christopher D. J. ^{[3
]}

Fischmann, Arne ^{[3
]}

Thornton, John S. ^{[3
]}

Knight, Steve ^{[4
]}

Norbury, Ray ^{[4
]}

White, Mel ^{[5
,6
]}

Al-Hajjar, Michal ^{[1
,2
]}

Carboni, Nicola ^{[7
]}

Jayawant, Sandeep ^{[5
,6
]}

Robb, Stephanie A. ^{[8
,9
]}

Yousry, Tarek A. ^{[3
]}

Beeson, David ^{[10
]}

Palace, Jacqueline ^{[1
,2
]}

机构：

[1] Univ Oxford, Nuffield Dept Clin Neurosci, Oxford, England

[2] Oxford Radcliffe Hosp NHS Trust, Oxford, England

[3] UCL, Inst Neurol, MRC, Ctr Neuromuscular Dis, London, England

[4] Univ Oxford, John Radcliffe Hosp, Ctr Clin Magnet Resonance Res, Oxford, England

[5] Univ Oxford, Dept Paediat, Oxford, England

[6] Childrens Hosp, Oxford, England

[7] Hosp San Francesco Nuoro, Dept Neurol, Sardinia, Italy

[8] Inst Child Hlth, Dubowitz Neuromuscular Ctr, London, England

[9] Great Ormond St Hosp Sick Children, London, England

[10] Univ Oxford, Nuffield Dept Clin Neurosci, Weatherall Inst Mol Med, Neurosci Grp, Oxford, England

来源：

MUSCLE & NERVE | 2016年 / 54卷 / 02期

关键词：

congenital myasthenia; diagnosis; genetic; imaging; MRI; muscle; MUSCULAR-DYSTROPHY; MRI; MUTATIONS; GRAVIS;

D O I：

10.1002/mus.25035

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Introduction: In this study we investigated muscle magnetic resonance imaging in congenital myasthenic syndromes (CMS). Methods: Twenty-six patients with 9 CMS subtypes and 10 controls were imaged. T1-weighted (T1w) and short-tau inversion recovery (STIR) 3-Tesla MRI images obtained at thigh and calf levels were scored for severity. Results: Overall mean the T1w score was increased in GFPT1 and DPAGT1 CMS. T1w scans of the AChR-deficiency, COLQ, and CHAT subjects were indistinguishable from controls. STIR images from CMS patients did not differ significantly from those of controls. Mean T1w score correlated with age in the CMS cohort. Conclusions: MRI appearances ranged from normal to marked abnormality. T1w images seem to be especially abnormal in some CMS caused by mutations of proteins involved in the glycosylation pathway. A non-selective pattern of fat infiltration or a normal-appearing scan in the setting of significant clinical weakness should suggest CMS as a potential diagnosis. Muscle MRI could play a role in differentiating CMS subtypes.

引用

页码：211 / 219

页数：9

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