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MR of craniocerebral hemiatrophy
1Neuroradiology Section, University of Texas Health Science Center, San Antonio 78284-7800.
Clinical Imaging
|April 1, 1992
Summary
Magnetic resonance imaging (MRI) effectively visualizes Dyke-Davidoff-Masson syndrome, a condition of unilateral cerebral volume loss. MRI reveals detailed pathological changes in cerebral tissue and brainstem, aiding diagnosis of this rare neurological disorder.
Area of Science:
- Neurology
- Radiology
- Medical Imaging
Background:
- Dyke-Davidoff-Masson syndrome involves unilateral cerebral volume loss and compensatory skull changes.
- The syndrome can result from various causes, including vascular insults.
Observation:
- Presents MR findings in three patients diagnosed with Dyke-Davidoff-Masson syndrome.
- All cases were attributed to middle cerebral artery stroke.
- Detailed visualization of cerebral tissue and brainstem pathology was achieved through MR studies.
Findings:
- MR imaging identified unilateral small cerebral hemisphere, ipsilateral calvarial expansion, elevated petrous bone and orbital roof, and cerebral peduncle hypoplasia/atrophy.
- Prominence of cortical sulci and perimesencephalic cistern was noted in one case of acquired infarction.
- Absence of generalized sulcal prominence was observed in two cases of congenital infantile paralysis.
Implications:
- MRI is the preferred imaging modality for assessing the etiology and extent of cerebral involvement in Dyke-Davidoff-Masson syndrome.
- Findings aid in differentiating congenital and acquired forms of the syndrome.
- Comprehensive MR assessment is crucial for patients with seizures, hemiparesis, or craniofacial asymmetry.