Volume and surface three-dimensional displays of Tc-99m HMPAO brain SPECT imaging in a chronic hypnosedative abuser.

Shih WJ:
Nuclear Medicine Service, Department of Veterans Affairs Medical Center, Lexington, Kentucky 40511
Clin Nucl Med 1993 Jun;18(6):506-9

 
 
 

AB - An alcohol- and diazepam-abusing patient underwent brain CT and SPECT imaging studies. The CT scan showed mild brain atrophy, whereas SPECT imaging using Tc-99m HMPAO showed a large lesion in the left cerebral hemisphere. The extent of lesion involvement was appreciated by three-dimensional displays. This finding was associated with a clinical presentation of hypnosedative withdrawal delirium (disorientation, impaired memory, rambling speech with loose associations, paranoia, ideation, restlessness, poor judgment). Tc-99m HMPAO SPECT may provide objective documentation of regional cerebral neurochemical alteration associated with hypnosedative abuse or hypnosedative withdrawal states, whereas surface and volume three-dimensional displays simplify and enhance brain SPECT image interpretation.

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