DETECTION OF INFLAMMATORY LESIONS WITH 99m Tc HMPAO LABELLED LEUKOCYTES
Keywords:
Leukocytc imaging, Inflammatory lesion, Radionuclide imagingAbstract
This study was undertaken to evaluate the usefulness of 99m. Tc HMPAO leukocyte imaging in the detection of inflammatory lesions. A group of 35 patients with suspected infection or inflammatory lesions was studied. Leukocytes from 45 millilitres of blood from each patient were labelled with Tc HMPAO. The mean labelling efficiency was 44%. After dynamic image, the static images were taken at 30-60 minute, 4 and 24 hour after injection of labelled leukocytes. Most of the positive scans were best seen at 4 hour and lasted till 24 hour. The overall sensitivity, specificity and accuracy was 92%, 95% and 94% respectively.
It is concluded that 99m Tc HMPAO leukocyted imaging is a very helpful diagnostic investigation for infection or inflammatory lesions.
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