background: safe exclusion and risk stratification are currently recommended for the initial management of patients with acute pulmonary embolism (ape). the aim of this study was to assess the safe exclusion and risk stratification value of d-dimer (dd) for ape when tested at the beginning of admission. materials and methods: all consecutive chinese ape patients and controls were recruited from...

gliomas account for almost 80% of primary malignant brain tumors in adults. magnetic resonance imaging (mri) is still the gold standard for diagnosis of brain tumors and brain 99mtc-tetrofosmin single photon emission computed tomography (99mtc-tetrofosmin-spect) has been established as a useful tool for their evaluation. fluorine-18–2-fluoro-2-deoxy-d-glucose positron emission tomography/comput...