Dual tracer hybrid radionuclide imaging of a metastatic gastrointestinal neuroendocrine tumor with unknown primary site using 18F-FDG PET/CT and 99mTc-HYNIC-TOC SPECT/CT (case report and literature review)
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چکیده
منابع مشابه
Postpartum Hypercalcemia Secondary to a Neuroendocrine Tumor of Pancreas; a Case Report and Review of Literature
Parathyroid hormone-related protein producing pancreatic neuroendocrine tumors have been infrequently reported. Herein, we report a case of an Iranian woman who had such a tumor during pregnancy, and gave birth to a female neonate with esophago-tracheal fistula and imperforated anus. Hypercalcemia was diagnosed at postpartum because of elevated serum calcium levels in the neonate and neurologic...
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Primary hepatic neuroendocrine tumors (PHNETs) are extremely rare neoplasms. Herein, we report a case of a 70- year-old man with a hepatic mass. The non-contrast computed tomography (CT) image showed a low-density mass, and dynamic CT images indicated the enhancement of the mass in the arterial phase and early washout in the late phase. F-18 fluorodeoxyglucose ((18)F-FDG) positron emission tomo...
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Carcinoid tumors are rare and slow growing malignancies derived from enterochromaffin cells. Two-thirds of carcinoid tumors arise in the gastrointestinal tract, and in 3% of these cases the primary site cannot be determined. Presenting symptoms depend on the location of the primary tumor but may be nonspecific, and in 13% of patients distant metastases are discovered on diagnosis. The classic c...
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Amyloidoma or amyloid tumor is a tumor-like localized deposit of amyloid encountered occasionally in association with multiple myeloma, various chronic inflammatory diseases and primary amyloidosis. Amyloid tumors unassociated with plasmacytoma or other disease are extremely rare in soft tissues and few cases in various situations have been reported. Histologic examination discloses amorp...
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ژورنال
عنوان ژورنال: Medical Visualization
سال: 2021
ISSN: 2408-9516,1607-0763
DOI: 10.24835/1607-0763-927