Biomedical subjects
Publications and source records attributed to C Aguilera Grijalvo.
We report a case of a 19-year-old woman with seizures and mental deficiency attributed to perinatal anoxia. Brain MR showed a congenital malformation, a rare form of semilobar holoprosencephaly termed middle interhemispheric fusion.
Co-existence of Chiari I malformation and myelomeningocele is uncommon. Syringomyelia, when associated with a Chiari I malformation, classically involves the cervical spinal cord. Intramedullary extension of lipoma is unusual in lipomyeloschisis. A patient with lumbar lipomyelomeningocele with tethered cord, lower thoracic syringomyelia and Chiari I malformation, shown by MRI is reported.
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CT and MRI are presently the most commonly used imaging techniques providing optimal visualisation of brain images. Normal aging is observed on CT and especially on MRI: these changes should be recognized and differentiated from pathological brain anomalies. The authors briefly describe changes demonstrated by CT and MRI in the most commonly encountered dementia: still emphasis is put on the fact that these anomalies are poorly specific and never pathognomonic. On the contrary, it must be prompted to perform CT and MRI in demented patients in order to rule out diseases curable by surgery such as normal pressure hydrocephaly, subdural hematoma, meningioma and so on especially well demonstrated by CT and MRI.