Fetal Tethered Spinal Cord: Diagnostic Features and Its Association with Congenital Anomalies

Yang, Xiao-Ning; Sun, Shiyu; Ji, Yizheng; Xu, Yasong; Sun, Lin; Wu, Qichang

doi:10.1080/15513815.2023.2172632

Cited by 1 publication

(1 citation statement)

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“…A lipoma terminale may involve the subdural or epidural filum terminale, and, unlike cysts that are anechoic, ultrasound findings are moderate or hyperechoic. Fatty degeneration can damage the spinal cord by external traction or excessive flexion and extension, leading to tethered cord syndrome ( 9 ). It can also be combined with other deformities, such as spina bifida and meningoceles, with neural tube insufficiency being the most common.…”

Section: Discussionmentioning

confidence: 99%

Prenatal ultrasound diagnosis and prognosis of fetus with isolated filar cyst: a retrospective analysis

Chen,

Tu,

2024

Front. Med.

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ObjectiveThis study aimed to investigate the prenatal ultrasonographic diagnosis and prognosis of fetuses with isolated filar cysts (FCs).MethodsThe ultrasonographic features, reasons for missed diagnosis, and prognosis of eight isolated FCs diagnosed using ultrasound were analyzed retrospectively through follow-up.ResultsEight isolated FCs showed round or fusiform cystic anechoic areas at the end of the conus medullaris. Among them, six cases were prenatally diagnosed and the other two cases were diagnosed after birth. Of the six cases diagnosed prenatally, four (66.7%) disappeared during pregnancy, and the shortest time to disappearance was 1 month after the first diagnosis. All patients were followed up without any clinical symptoms or functional abnormalities.ConclusionIsolated FCs may exhibit physiological variations that disappear spontaneously during pregnancy and usually have no clinical symptoms. They are usually benign and have a good prognosis. Ultrasonography is helpful for the diagnosis and follow-up of FCs.

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Section: Discussionmentioning

confidence: 99%