We present a case of medullary thyroid carcinoma (MTC) with pulmonary symptoms, elevated calcitonin and CEA levels. Both [111In]pentetreotide (Octreoscan) scintigraphy and 2-deoxy-2-[18F]fluoro-D-glucose positron emission tomography/computed tomography (FDG-PET/CT) scan revealed mild increased uptake of radionuclides in the upper lobe of the right lung compatible with metastases. Histopathological analysis showed it to be chronic bronchitis. The patient was followed without any treatment. Three months later, no pathological uptake on [111In]pentetreotide (Octreoscan) was observed. False positive [111In]pentetreotide uptake in the lungs was likely related to acute exacerbation of the chronic bronchitis.

Author

Savas Karyagar, Mehmet Mulazimoglu, Sevda S. Karyagar, Metin Halac and Tevfik Ozpacaci

Contact Details

Corresponding address:
Savas Karyagar, Okmeydani Training and Research Hospital, Istanbul, 34386, Turkey

Reference

ICIS Cancer Imaging Volume 8 Issue 1
DOI: 10.1102/1470-7330.2008.0016

Date Posted

24 April 2008

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