• Rev Assoc Med Bras (1992) · Nov 2017

    Posterior fossa decompression with duraplasty in Chiari surgery: A technical note.

    • Marcelo Ferreira Sabba, Beatriz Souza Renor, Enrico Ghizoni, Helder Tedeschi, and Andrei Fernandes Joaquim.
    • MD. Neurosurgery Resident, Universidade Estadual de Campinas (Unicamp), Campinas, SP, Brazil.
    • Rev Assoc Med Bras (1992). 2017 Nov 1; 63 (11): 946-949.

    AbstractChiari malformation (CM) is the most common and prevalent symptomatic congenital craniocervical malformation. Radiological diagnosis is established when the cerebellar tonsils are located 5 mm or more below the level of the foramen magnum on magnetic resonance imaging (MRI). Surgical treatment is indicated whenever there is symptomatic tonsillar herniation or syringomyelia/hydrocephalus. The main surgical treatment for CM without craniocervical instability (such as atlantoaxial luxation) is posterior fossa decompression, with or without duraplasty. The authors describe in details and in a stepwise fashion the surgical approach of patients with CM as performed at the State University of Campinas, emphasizing technical nuances for minimizing the risks of the procedure and potentially improving patient outcome.

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