ReviewJournal of clinical medicine2022
The Small Posterior Cranial Fossa Syndrome and Chiari Malformation Type 0.
Review in Journal of clinical medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed, 30 citations in OpenAlex.
- Response To: Chiari Malformation Type 0: Methodological Concerns Regarding the Null Structural Finding.Acta neurochirurgica · 2026Article
- Morphometric assessment of the posterior cranial fossa and its contents in patients with chiari malformation type I and type 0.Acta neurochirurgica · 2026Article
- Chiari Malformation and Hindbrain Descent: Characterization and New Classification Based on Mechanism and Pathogenesis, and Surgical Management.Neurospine · 2025Article
- Idiopathic Syringomyelia: Diagnostic Value of Cranial Morphometric Parameters.Brain sciences · 2025Article
- Craniocervical Morphometry in Pomeranians-Part II: Associations with Chiari-like Malformation and Syringomyelia.Animals : an open access journal from MDPI · 2024Article
- Arnold-Chiari Malformations in Pregnancy and Labor: Challenges and Management Strategies.Cureus · 2023Review
- A Critical Update of the Classification of Chiari and Chiari-like Malformations.Journal of clinical medicine · 2023Review
- An examination of atlanto-occipital curvature in adult Chiari malformation type 1 and control groups.Journal of craniovertebral junction & spineArticle
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
Abstract
Patients showing typical Chiari malformation type 1 (CM1) signs and symptoms frequently undergo cranial and cervical MRI. In some patients, MRI documents >5 mm of cerebellar tonsillar herniation (TH) and the diagnosis of CM1. Patients with 3−5 mm TH have “borderline” CM1. Patients with less than 3 mm of TH and an associated cervical syrinx are diagnosed with Chiari “zero” malformation (CM0). However, patients reporting CM1 symptoms are usually not diagnosed with CM if MRI shows less than 3−5 mm of TH and no syrinx. Recent MRI morphometric analysis of the posterior fossa and upper cervical spine detected anatomical abnormalities in and around the foramen magnum (FM) that explain these patients’ symptoms. The abnormalities include a reduced size of the posterior fossa, FM, and upper cervical spinal canal and extension of the cerebellar tonsils around the medulla rather than inferior to the foramen magnum, as in CM1. These morphometric findings lead some neurologists and neurosurgeons to diagnose CM0 in patients with typical CM1 signs and symptoms, with or without cervical syringes. This article reviews recent findings and controversies about CM0 diagnosis and updates current thinking about the clinical and radiological relationship between CM0, borderline CM1, and CM1.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.