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Superior sagittal sinus thrombosis: assessment with Tc-99m labeled red blood cells.

Authors
  • Front, D
  • Israel, O
  • Even-Sapir, E
  • Feinsud, M
Type
Published Article
Journal
Radiology
Publication Date
Feb 01, 1986
Volume
158
Issue
2
Pages
453–456
Identifiers
PMID: 3484556
Source
Medline
License
Unknown

Abstract

The diagnostic value of scintigraphy with technetium-99m labeled red blood cells (Tc-RBC) was assessed in 19 patients with clinical suggestion of superior sagittal sinus thrombosis (SSST). Comparison of Tc-RBC static images with dynamic flow studies in the brain showed a sensitivity of 100%, specificity of 86%, and accuracy of 94% for static studies and values of 87%, 20%, and 61%, respectively, for the flow studies. Tc-RBC scintigraphy enables direct visualization of the integrity of the superior sagittal sinus, whereas CT scanning shows various but nonspecific changes in the brain associated with SSST. Single-photon emission CT study using Tc-RBC, performed in six patients, appears to have potential in the diagnosis of SSST, allowing separation of vascular structures that are superimposed on the superior sagittal sinus in planar scintigraphy study.

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