RESULTS Thallium-201 accumulation in the lesion was evaluated byvisual
inspectionandthe@ †Tl index. Thedegreeof@ †Tl uptake in the tumor correlated with …

MATERIALSAND METHODS Patients We performed45 SPECT201T1studies on 37 patients
with primary brain tumors, 2 patients with metastatic lesions, 1 patient with a high-grade …

In order to reassess the value of quantitative thallium-201 brain SPECT in the differentiation
of miscellaneous brain tumors, we studied a total of 89 patients—35 pre-operative patients …

examinationof the surgical specimenrevealedan ana plastic astrocytomain the frontalpole,
but a morebe nign low-grade oligoden dromain the rest of the tu mor. useful clinical …

PURPOSE To compare thallium-201 single-photon emission CT with conventional CT in
grading the malignancy of gliomas and to determine the reliability of each in tumor …

The aim of this study was to characterise brain tumour type and treatment response in
relation to the uptake of thallium-201. 201 Tl single photon emission tomography (SPET) …

✓ A quantitative preoperative technique using thallium-201 single-photon emission
computerized tomography is described which predicts whether specific gliomas are of high …

Time sequential single photon emission computed tomography (SPECT) studies using
thallium-201 were performed in 25 patients with brain tumours to evaluate the kinetics of …

Quantitative indexes based on regions of interest ratios from preoperative thallium-201
SPECT and F-fluorodeoxyglucose (FDG)-positron emission tomography (PET) scans were …

METHODS Patients The study population consisted of 34 patients with brain tumors (19
men, 15 women, aged 10 to 75 yr, mean 45 yr). Histological diagnosis in all patients are …