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Focal myocardial uptake in a patient with carcinoid tumor by indium-111-pentetreotide on SPECT/CT.

Identifieur interne : 007F89 ( Main/Exploration ); précédent : 007F88; suivant : 007F90

Focal myocardial uptake in a patient with carcinoid tumor by indium-111-pentetreotide on SPECT/CT.

Auteurs : RBID : pubmed:18817665

English descriptors

Abstract

We present a case of a 44 year old man with flushing, diarrhea and markedly elevated 24 hour urinary 5-HIAA level, who was referred for an indium-111 pentetreotide study, after the excision of a carcinoid tumor in the terminal ileum. Scan findings revealed focal uptake in the myocardium and liver, suspicious for metastases. Subsequent transthoracic echocardiogram failed to demonstrate a cardiac lesion. Previously, our group has unequivocally demonstrated the usefulness of software fusion of SPECT and CT imaging in the evaluation of a carcinoid metastasizing to the myocardium. This case illustrates that hardware SPECT/CT fusion imaging utilizing indium-111 pentetreotide to evaluate metastatic carcinoid tumors can be useful. In addition, the echocardiogram can yield false negative results, because of a smaller lesion size and the influence of an operator-dependent factor.

PubMed: 18817665

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Le document en format XML

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<name sortKey="Mahmood, S" uniqKey="Mahmood S">S Mahmood</name>
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<nlm:affiliation>Nuclear Medicine Service. Department of Radiology. Memorial Sloan-Kettering Cancer Center. New York. NY. USA. smahmood@yahoo.com</nlm:affiliation>
<country wicri:rule="url">Colombie</country>
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<name sortKey="Mart Nez De Llano, S R" uniqKey="Mart Nez De Llano S">S R Martínez de Llano</name>
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<name sortKey="Grewal, R K" uniqKey="Grewal R">R K Grewal</name>
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<div type="abstract" xml:lang="en">We present a case of a 44 year old man with flushing, diarrhea and markedly elevated 24 hour urinary 5-HIAA level, who was referred for an indium-111 pentetreotide study, after the excision of a carcinoid tumor in the terminal ileum. Scan findings revealed focal uptake in the myocardium and liver, suspicious for metastases. Subsequent transthoracic echocardiogram failed to demonstrate a cardiac lesion. Previously, our group has unequivocally demonstrated the usefulness of software fusion of SPECT and CT imaging in the evaluation of a carcinoid metastasizing to the myocardium. This case illustrates that hardware SPECT/CT fusion imaging utilizing indium-111 pentetreotide to evaluate metastatic carcinoid tumors can be useful. In addition, the echocardiogram can yield false negative results, because of a smaller lesion size and the influence of an operator-dependent factor.</div>
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