Imaging A radiopharmaceutical that binds to specific receptors of small tumors, for early detection and treatment of cancer. See Scanning.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Comparison of 68Ga-DOTATOC PET and 111In-DTPAOC (Octreoscan) SPECT in patients with neuroendocrine tumours.
The somatostatin receptor-positive octreoscan scintigraphy and bone scan revealed no metastasis.
Neuroendocrine tumor of unknown primary was defined by lack of visual evidence of primary tumor on CT scan and or Octreoscan. Neuroendocrine tumors were histopathologically graded based on 2010 WHO classification.
Schuster et al., "Octreoscan Versus FDG-PET for Neuroendocrine Tumor Staging: A Biological Approach," Annals of Surgical Oncology, vol.
Further investigations in hospital during his stay included free plasma normetanephrine 14.44 nmol/L (N<1.2 nmol/L) and metanephrine 6.09 nmol/L (N< 0.48 nmol/L), a negative cerebral CT scan, and an Octreoscan showing no site of extra-adrenal uptake.
[8] reported that the 2 subgroups show a different positivity to [sup.18]F-fluorodeoxyglucose positron emission tomography/computerized tomography ([sup.18]F-FDG-PET/CT) or octreoscan. In a recent study, we showed that [sup.68]Gallium([sup.68]Ga-) PET/CT was a discriminating factor for patients with G3 GEP-NECs treated with first-line platinum-based chemotherapy.
Nuclear medicine techniques (octreoscan, gallium-68 DOTA positron emission tomography) are more specific than conventional imaging, enable whole-body imaging for staging, and may help to predict the response to peptide receptor radionuclide therapy (PRRT), if necessary at any stage of the therapeutic management [11].
According to recent papers, PET (positron emission tomography)/CT with [sup.68]Ga-labeled somatostatin analogues should be the examination of choice for both staging and localization in non-insulinoma PanNETs and has replaced the suboptimal octreoscan, with a sensitivity and a specificity of 86-100% and 79-100%, respectively [13].
Para la deteccion de metastasis, esta descrito el uso de imagenes diagnosticas con somatostatina como marcador (OctreoScan), que parte de la afinidad de los receptores de las celulas tumorales a dicha molecula.
In addition, positron emission tomography (PET) scan and octreoscan are other suggested modalities [17].
No other primary lesion was detected on other imaging, including octreoscan, bone scan, ultrasonography of both breasts and thyroid gland, and endoscopy including a capsule study.