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inclusion: Hydromeningozele (spinal)
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inclusion: Meningomyelozele
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inclusion: Meningozele (spinal)
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inclusion: Myelomeningozele
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inclusion: Myelozele
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inclusion: Rhachischisis
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inclusion: Spina bifida (aperta) (cystica)
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inclusion: Syringomyelozele
exclusion: Arnold-Chiari-Syndrom
exclusion: Spina bifida occulta