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Extraosseous uptake with DPD (Teceos(®) ).
MedLine Citation:
PMID:  21771254     Owner:  NLM     Status:  In-Data-Review    
Objective:  During a short period of 10 days, four patients presented with intense extraosseous uptake of a technetium-labelled bone-seeking agent, three in the heart and one in the liver at our hospital. During the next 6 weeks, identical heart uptake was found in another two patients. Two patients were re-examined, with identical uptake on the second occasion. A search for a possible cause was initiated. Methods:  Bone scintigraphy with Teceos(®) was performed after labelling the kit as described in the Summary of Product Characteristics [IBA, (in french, 29/3/2011)]. On two occasions, the kit used was retrospectively analysed, without any apparent abnormality. Two patients were re-examined 1 month later, with identical cardiac and liver uptake on repeat examination. Contact with referring physicians and blood test screening did not show any consistent reason for these extraosseous uptakes. Additionally, five cases at other hospitals in Norway have been brought to our attention. Results:  In at least ten patients, intense cardiac uptake has been recorded, all in relatively old patients, and one young patient had massive liver uptake. No abnormalities in labelling or composition of 3,3-diphospho-1,2-propanedicarboxylic acid were found. Discussion:  Liver and cardiac uptakes of bone-seeking agents have been described in amyloidosis, and for the heart, after myocardial infarction. We have ruled out any possible contamination by interfering radiopharmaceuticals and cannot find any reason for these findings. Eleven patients with amyloidosis seem one of several hypotheses that is highly improbable.
Tore Bach-Gansmo; Trond V Bogsrud; Laila Holmboe; Elisabeth L Pedersen; Carl Müller
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Publication Detail:
Type:  Journal Article     Date:  2011-04-08
Journal Detail:
Title:  Clinical physiology and functional imaging     Volume:  31     ISSN:  1475-097X     ISO Abbreviation:  Clin Physiol Funct Imaging     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-07-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137604     Medline TA:  Clin Physiol Funct Imaging     Country:  England    
Other Details:
Languages:  eng     Pagination:  358-62     Citation Subset:  IM    
Copyright Information:
© 2011 The Authors. Clinical Physiology and Functional Imaging © 2011 Scandinavian Society of Clinical Physiology and Nuclear Medicine.
Department of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway.
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