Nucl Med Mol Imaging.  2009 Dec;43(6):582-587.

A Discrepancy between (131)I-Metaiodobenzylguanidine ((131)I-MIBG) Scintigraphy and (18)F-FDG PET/CT after (131)I-MIBG Therapy in a Patient with Recurred Malignant Pheochromocytoma

Affiliations
  • 1Department of Nuclear Medicine, Chungnam National University Hospital, Daejeon, Korea. sminee@cnuh.co.kr

Abstract

A 59-year-old woman who was diagnosed with malignant pheochromocytoma underwent (18)F-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT). She had undergone left adrenalectomy for pheochromocytoma 4 years previously. Recent multiple metastatic pulmonary nodules were noted on the chest X-ray. After treatment with (131)I-metaiodobenzylguanidine ((131)I-MIBG) with 7.4 GBq, post-therapy (131)I-MIBG scintigraphy depicted multiple distant metastases including lung, liver, abdominal para-aortic and mesenteric lymph nodes. (18)F-FDG PET/CT also depicted multiple metastases in lung, liver, and abdominal para-aortic lymph nodes, but some lesions were not shown. In this case, (131)I-MIBG scintigraphy found additional lesions in metastatic malignant pheochromocytoma.

Keyword

Malignant pheochromocytoma; (131)I-metaiodobenzylguanidine ((131)I-MIBG); (18)F-FDG PET/CT

MeSH Terms

Adrenalectomy
Electrons
Female
Humans
Liver
Lung
Lymph Nodes
Middle Aged
Neoplasm Metastasis
Pheochromocytoma
Thorax
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