Imaging of a Metastatic Gastrointestinal Carcinoid by F-18-DOPA Positron Emission Tomography

S. Hoegerle; B. Schneider; A. Kraft; E. Moser; E. U. Nitzsche

doi:10.1055/s-0038-1632205

Nuklearmedizin - NuclearMedicine, Table of Contents

Nuklearmedizin 1999; 38(04): 127-130
DOI: 10.1055/s-0038-1632205

Originalarbeiten — Original Articles

Schattauer GmbH

Imaging of a Metastatic Gastrointestinal Carcinoid by F-18-DOPA Positron Emission Tomography

Bildgebende Diagnostik eines metastasierten gastrointestinalen Karzinoids mittels F-18-DOPA-Positronen-Emissions-Tomographie

Authors

S. Hoegerle

¹Divisions of Nuclear Medicine and
B. Schneider

²Diagnostic Radiology, Department of Radiological Science, and
A. Kraft

³Division of Hematology and Oncology, Department of Internal Medicine, Albert Ludwigs University, School of Medicine, Freiburg, Germany
E. Moser

¹Divisions of Nuclear Medicine and
E. U. Nitzsche

¹Divisions of Nuclear Medicine and

Abstract

Summary

The localization of carcinoids in the gastrointestinal tract is frequently difficult if not impossible with the imaging procedures used to date. It is reported on a patient with metastasizing carcinoid in whom various imaging procedures were not successful in detecting the primary tumor. Due to the importance of primary tumor proof for potential curative surgical therapy, a whole-body positron emission tomography with F-18-DOPA was performed. PET enabled localization of a potential primary tumor in the ileum. Moreover, in addition to the known abdominal lymph node and liver metastases, it detected a mediastinal lymph node metastasis and a pulmonary metastasis. F-18-DOPA whole-body PET may be a very promising imaging approach to the localization and staging of gastrointestinal carcinoids.

Zusammenfassung

Die Lokalisation gastrointestinaler Karzinoide ist mit den existierenden bildgebenden Verfahren nicht selten schwierig oder unmöglich. Es wird über einen Patienten mit metastasierendem gastrointestinalen Karzinoid berichtet, bei dem die üblichen bildgebenden Verfahren keine Lokalisation des Primärtumors ermöglichten. Aufgrund der Bedeutung der Primärtumorkenntnis für einen eventuellen, potentiell kurativen chirurgischen Therapieansatz wurde eine F-18-DOPA-Ganzkörper-Positronen-Emissions-Tomographie durchgeführt. Dieses Verfahren ermöglichte die Lokalisation eines potentiellen Primärtumors im Ileum. Darüber hinaus wurden neben den bekannten abdominellen Lymphknoten- und Lebermetastasen weitere Tumormanifestationen in Form einer mediastinalen Lymphknotenmetastase und einer pulmonalen Filia dargestellt. Somit ist die F-18-DOPA-Ganzkörper-PET ein vielversprechender Ansatz zur Lokalisation und zum Staging gastrointestinaler Karzinoide.

Key words

Carcinoid - F-18-DOPA - positron emission tomography

Schlüsselwörter

Karzinoid - F-18-DOPA - Positronen-Emissions-Tomographie

Full Text

References

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