Migration of Tc-99m DTPA from the Cerebral Ventricle to the Subarachnoid Space

A 70-year-old woman was examined because of increasing problems with cognition. She had a history of a cerebral shunt placed surgically 10 years previously. Introduction of Tc-99m DTPA directly into the ventricular cavity revealed good ventricular distribution, followed by progression downward, as t...

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Bibliographic Details
Published in:Clinical nuclear medicine 2002-12, Vol.27 (12), p.883-884
Main Authors: VENTO, JOHN A, MOSKOWITZ, HAROLD, SPENCER, RICHARD P, YE, WEIGUO
Format: Article
Language:English
Subjects:
Aged
Biological and medical sciences
Cerebral Ventricles - diagnostic imaging
Cerebral Ventricles - surgery
Cerebrospinal Fluid - diagnostic imaging
Cerebrospinal Fluid Shunts
Cognition Disorders - etiology
Female
Humans
Medical sciences
Radionuclide Imaging
Radiopharmaceuticals - cerebrospinal fluid
Subarachnoid Space - diagnostic imaging
Subdural Effusion - diagnostic imaging
Technetium Tc 99m Pentetate
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Description
Summary:A 70-year-old woman was examined because of increasing problems with cognition. She had a history of a cerebral shunt placed surgically 10 years previously. Introduction of Tc-99m DTPA directly into the ventricular cavity revealed good ventricular distribution, followed by progression downward, as though into a previous ventriculoperitoneal shunt. However, a chest radiograph revealed what appeared to be a shunt tube in the right atrium. Delayed lateral images showed activity in proximity to the vertebral column, indicating migration of tracer and cerebrospinal fluid into the dorsal and lumbar subarachnoid space.
ISSN:0363-9762
1536-0229
DOI:10.1097/00003072-200212000-00007