Disproportionately Enlarged Subarachnoid Space Hydrocephalus (DESH) Identified on I-123 Ioflupane SPECT/CT.
case_report · Level V
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- Record sourced from PubMed, PMID 42725472.
- Also identified by DOI 10.1097/RLU.0000000000006705.
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Abstract
A patient with gait instability underwent I-123-ioflupane SPECT/CT imaging for suspected Parkinson's disease. DaTQUANT analysis was negative for Parkinson's disease; however, evaluation of the SPECT images revealed low counts within the bilateral parietal region. Further review of the CT images demonstrated the classic appearance of disproportionately enlarged subarachnoid space hydrocephalus (DESH), a supportive imaging feature of idiopathic normal pressure hydrocephalus (iNPH), highlighting the importance of correlation of cross-sectional CT and DaT SPECT imaging.