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Protocol for SPECT using Tc-99m HMPAO based on guidelines given in the manual of socity of nuclear medicine11.
CONCLUSION This study found significantly decreased overall cerebral perfusion in chronic tobacco users when compared with the non-tobacco users, through semi-quantitative scintigraphic assessment employing Tc-99m HMPAO SPECT.
Evaluation of cerebral blood flow in patients with idiopathic orthostatic hypotension using Tc-99m HMPAO brain SPECT during postural testing.
The use of Technetium 99m with HMPAO in the mid-1980s led to other studies of brain function including patients with stroke, arteriovenous malformation (AVM), transient ischemic attacks (TIAs), hemorrhage, dementia and seizures.
In 1994, since HMPAO could not be mixed in advance, the procedure we performed when a patient had a seizure was as follows:
Differences in HMPAO uptake were analyzed using SPM8 software (Wellcome Department of Cognitive Neurology, London, UK) implemented on the Matlab platform (MathWorks Inc.
21] Technetium Tc 99m HMPAO scintigraphy of the axial skeleton can yield a "cold"-defect imaging pattern, failing to mark infection and bone damage "hot spots.
Although it is not clear why, SPECT studies show that HSE significantly increases Tc 99m HMPAO uptake 4 to 13 days after initial symptoms.
HMPAO SPECT to assess neurologic deficits during balloon test occlusion.
The agents commonly employed in epilepsy imaging are Tc 99m HMPAO (hexamethylpropyline amine oxime) and TC 99m ECD (ethyl cysteinate dimer).
10) Bleeding and inflammatory reaction with necrosis was noted in the accumulation of Tc-99m HMPAO in malignant abdominal tumors.
This article has briefly covered the following uses: GI bleeding scintigraphy with Tc-99m RBCs, appendicitis imaging with Tc-99m HMPAO WBCs, and cholescintigraphy with Tc-99m MAG3 for acute urinary obstruction.