Ventriculoperitoneal Shunt Catheter and Cerebral Spinal Fluid Infection Initially Detected by FDG PET/CT Scan

Whole body F-18 fluorodeoxyglucose (FDG) position emission tomography (PET) computed tomography (CT) in a 75-year-old woman with right lung cancer revealed linear increased FDG activity at the distal end of the ventriculoperitoneal (VP) shunt catheter in the pelvis and in the scalp reservoir. Cultur...

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Bibliographic Details
Published in:	Clinical nuclear medicine Vol. 34; no. 7; pp. 464 - 465
Main Authors:	Wan, David Q, Joseph, Usha A, Barron, Bruce J, Caram, Pedro, Nguyen, Alex P
Format:	Journal Article
Language:	English
Published:	United States Lippincott Williams & Wilkins, Inc 01-07-2009
Subjects:	Aged Catheterization - adverse effects Catheterization - instrumentation Cerebral Cortex - diagnostic imaging Cerebral Cortex - microbiology Equipment Contamination Female Fluorodeoxyglucose F18 Humans Lung Neoplasms - diagnostic imaging Pelvis - diagnostic imaging Peritonitis - diagnostic imaging Peritonitis - microbiology Positron-Emission Tomography Radiopharmaceuticals Scalp - diagnostic imaging Spinal Canal - diagnostic imaging Spinal Canal - microbiology Staphylococcal Infections - cerebrospinal fluid Tomography, X-Ray Computed Ventriculoperitoneal Shunt
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Summary:	Whole body F-18 fluorodeoxyglucose (FDG) position emission tomography (PET) computed tomography (CT) in a 75-year-old woman with right lung cancer revealed linear increased FDG activity at the distal end of the ventriculoperitoneal (VP) shunt catheter in the pelvis and in the scalp reservoir. Culture of the later removed VP-shunt catheter demonstrated Gram-positive Staphylococcus. No increased FDG activity was identified in the cerebrospinal fluid (CSF) in the ventricles, probably due to interference from nearby cerebral cortex uptake. However, the sagittal images demonstrated mild intermittent linear FDG uptake in the spinal canal. The vertebral marrow FDG uptake obscured the mild CSF activity in spinal canal on the coronal or transaxial images. Sagittal projection images of the spinal canal are critical for PET/CT evaluation of suspected CSF infection.
Bibliography:	ObjectType-Case Study-2 SourceType-Scholarly Journals-1 ObjectType-Feature-4 content type line 23 ObjectType-Report-1 ObjectType-Article-3
ISSN:	0363-9762 1536-0229
DOI:	10.1097/RLU.0b013e3181a7d182