Isolated oculomotor nerve palsy due to mesencephalic infarction diagnosed by ZOOM DWI.

IF 2.2 3区医学 Q3 CLINICAL NEUROLOGY BMC Neurology Pub Date : 2025-02-07 DOI:10.1186/s12883-025-04021-x

Shangpei Wang, Yajie Cai, Xiaosan Wu, Sunhong Yan, Longsheng Wang

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引用次数: 0

Abstract

Background: Oculomotor nerve palsy is a common neurological presentation in daily practice.

Case presentation: A 55-year-old man presented with a 3-h history of diplopia and drooping of his bilateral especially left eyelids. Examination revealed an isolated oculomotor nerve palsy consisting of left medial rectus, inferior oblique, superior rectus, inferior rectus with intact pupillary reflexes and bilateral especially left superior palpebral levator. Conventional diffusion weighted imaging (DWI) of the brain showed a suspicious restriction in the left midbrain periaqueductal region. If the clinical symptomatology indicates a lesion in the midbrain, of which a high signal intensity was encountered from neurologically healthy older adults, the limited spatial resolution of conventional axial DWI is an enormous disadvantage. Zonally magnified oblique multislice (ZOOM) DWI correlated with apparent diffusion coefficient map providing higher accuracy for accurate diagnosis can identify signal alterations of mesencephalic interpeduncle area.

Conclusions: This is a rare presentation of isolated oculomotor nerve palsy due to pure mesencephalic infarction especially verified by ZOOM DWI.

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来源期刊

BMC Neurology 医学-临床神经学

CiteScore

4.20

自引率

0.00%

发文量

428

审稿时长

3-8 weeks

期刊介绍： BMC Neurology is an open access, peer-reviewed journal that considers articles on all aspects of the prevention, diagnosis and management of neurological disorders, as well as related molecular genetics, pathophysiology, and epidemiology.