Park Rachel J, Unnikrishnan Sunil, Berliner Joel, Magnussen John, Liu Shinuo, Stoodley Marcus A
Macquarie Health, Sydney, NSW 2109, Australia.
Macquarie Medical School, Macquarie University, Sydney, NSW 2109, Australia.
J Clin Med. 2023 Apr 9;12(8):2786. doi: 10.3390/jcm12082786.
Chiari I malformation has been defined as cerebellar tonsillar descent greater than 5 mm below the foramen magnum. Suboccipital decompression remains the mainstay of treatment for symptomatic patients. Other conditions sometimes have imaging features that mimic Chiari I malformation. These patients are at risk of misdiagnosis and mismanagement, including surgery that may be unnecessary or may even worsen the underlying condition. The aim of this study was to analyse a series of Chiari I malformation mimics and identify differentiating imaging features. The mimics are categorised as post-traumatic cranio-cervical junction arachnoiditis, dural band, spontaneous intracranial hypotension, idiopathic intracranial hypertension, and cysts. Better understanding of these conditions will assist with diagnosis and optimal management, including avoiding unnecessary surgery.
Chiari I畸形被定义为小脑扁桃体下降至枕大孔下方超过5毫米。枕下减压仍然是有症状患者的主要治疗方法。其他一些病症有时具有类似Chiari I畸形的影像学特征。这些患者有被误诊和管理不当的风险，包括可能进行不必要的手术，甚至可能使潜在病情恶化。本研究的目的是分析一系列Chiari I畸形的模仿病症，并确定鉴别性的影像学特征。这些模仿病症分为创伤后颅颈交界区蛛网膜炎、硬脑膜带、自发性颅内低压、特发性颅内高压和囊肿。更好地了解这些病症将有助于诊断和优化管理，包括避免不必要的手术。
