False-Positive I-131 Deposition in a Parotid Gland Duct Ectasia

There are an increasing number of conditions that lead to false-positive I-131 whole body scans. We report the detection of I-131 in a parotid gland duct ectasia. I-131 that was secreted into the lumen of the ectasia was probably retained there. The condition should be included with I-131 eliminatio...

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Bibliographic Details
Published in:Clinical nuclear medicine 1998-04, Vol.23 (4), p.257-259
Main Authors: WOLFF, HENRY, BREDA, DINIS J, DA SILVA, NEIVO, HARTMANN, ANTONIO A
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Endocrine glands. Genital system. Mammary gland
False Positive Reactions
Female
Humans
Investigative techniques, diagnostic techniques (general aspects)
Iodine Radioisotopes
Medical sciences
Parotid Gland - abnormalities
Parotid Gland - diagnostic imaging
Radionuclide Imaging
Radionuclide investigations
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Summary:There are an increasing number of conditions that lead to false-positive I-131 whole body scans. We report the detection of I-131 in a parotid gland duct ectasia. I-131 that was secreted into the lumen of the ectasia was probably retained there. The condition should be included with I-131 elimination in body fluids. There was no I-131 uptake after excision of the ectasia, and unnecessary I-131 therapy was avoided.
ISSN:0363-9762
1536-0229
DOI:10.1097/00003072-199804000-00023