Key result
Magnetic resonance neurography using T2-STIR and 3D-FIESTA sequences successfully identified a C7 preganglionic root avulsion and pseudomeningeal cysts in a neonate with brachial plexus injury.
Why the study?
The anatomical structure of the neonatal brachial plexus is thin, non-collinear, and non-coplanar, and conventional MR imaging is not sufficient to diagnose brachial plexus injury.
Case Report (n=1)
No
Magnetic resonance neurography using fat-suppressed T2-weighted sequences and MR myelography can effectively diagnose neonatal brachial plexus injury when conventional MRI is insufficient.
Supports MR neurography feasibility in neonatal brachial plexus injury; leaves open need for prospective validation before wider use.
Neonatal obstetric brachial plexus palsy is common in newborns with fetal macrosomia, especially those who are delivered vaginally with shoulder dystocia or breech delivery. The anatomical structure of brachial plexus in newborns is thin, and it is neither collinear nor coplanar in space; The location, the type and degree of neonatal brachial plexus injury need to be comprehensively judged by clinical history, neurological and imaging examination. Conventional MR imaging is not sufficient to diagnose brachial plexus injury. In this case report, we describe the clinical and imaging data of a newborn with brachial plexus injury diagnosed by the fat-suppressed T2-weighted sequence and MR myelography and confirmed by surgery. In addition, we review the related literature in an attempt to provide a better understanding of the principles and characteristics of neonatal brachial plexus injury diagnosed by magnetic resonance neurography.
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Zang et al. (2022) conducted a case report in Neonatal brachial plexus injury (n=1). Magnetic resonance neurography (MRN) was evaluated on Diagnosis of brachial plexus injury. Magnetic resonance neurography using T2-STIR and 3D-FIESTA sequences successfully identified a C7 preganglionic root avulsion and pseudomeningeal cysts in a neonate with brachial plexus injury.
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