World neurosurgery
Cognition in Pediatric Chiari Malformation Type 1 Before and After Posterior Fossa Decompression.
Tomas Adolfsson, Erik Edström, Jenny Pettersson Segerlind, Kristina Tedroff, Ulrika Sandvik
Published: 202510.1016/j.wneu.2025.124654
Abstract
OBJECTIVE: Chiari malformation type 1 (CM1) is a condition that affects the hindbrain. The diagnosis is based on the radiologic finding of a descent of the cerebellar tonsils 5 mm or more below the level of the foramen magnum. Although often asymptom…
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