Nondiscrimination Policy Update
Boston Medical Center Health System complies with applicable Federal civil rights laws and does not discriminate on the basis of age, race, color, national origin (including limited English proficiency and primary language), religion, culture, physical or mental disabilities, socioeconomic status, sex, sexual orientation and gender identity and/or expression. BMCHS provides free aids and services to people with disabilities and free language services to people whose primary language is not English.
To read our full Nondiscrimination Statement, click here.
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Posterior fossa decompression is the most common surgery for Chiari malformation. A surgeon removes part of the back of the skull, which gives the brain more room and relieves pressure.
In some cases, the surgeon may open the covering of the brain, called the dura mater, and put in a patch to make the opening bigger and give the brain more room.