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Favorable Outcomes in a Rare Case of Chiari Malformation Type III: A Clinical Report

Year: 2025

Type: article

Abstract: This report details the case of a 1-year and 11-month-old Filipino female patient who presented with a persistent occipital mass that was soft, non-tender, mobile, and lit through upon transillumination. A neurological test revealed a global developmental delay. Neuroimaging revealed a bony defect at the posterior cranial fossa with herniation of the occipital lobe, cerebrospinal fluid, and the meninges, consistent with Chiari malformation type III, a rare and severe form accounting for less than 1% of Chiari malformations. While this condition typically carries a poor prognosis, the patient showed a favorable outcome following neurosurgical intervention. We present this case to share our clinical experience with this exceedingly rare condition and highlight its potential for positive post-surgical outcomes.

Source: Cureus

DOI: 10.7759/cureus.84482

Authors: Renz Marion M Alemania, Maria Estrella G Ibe-Ilustre

Institution: José R. Reyes Memorial Medical Center

Language: English

Topic: Spinal Dysraphism and Malformations

Subfield: Public Health, Environmental and Occupational Health

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: diamond

OpenAlex ID: W4410539278