gallium-ga-68-dotatate has been researched along with Rectal-Neoplasms* in 3 studies
3 other study(ies) available for gallium-ga-68-dotatate and Rectal-Neoplasms
| Article | Year |
|---|---|
Distinct Imaging Characteristics of Different Metastases From Primary Prostate Adenocarcinoma and Rectal Carcinoid Tumor on 18F-Fluciclovine and 68Ga-DOTATATE PET/CT.
A 71-year-old man with history of prostate cancer is evaluated for rising prostate-specific antigen. The patient also has a history of rectal well-differentiated neuroendocrine tumor. On F-fluciclovine PET/CT, 2 retroperitoneal lymph nodes exhibited intense fluciclovine avidity, whereas one enlarged perirectal lymph node only showed background uptake. On further Ga-DOTATATE PET/CT, the perirectal lymph node revealed intense DOTATATE avidity, whereas the 2 retroperitoneal lymph nodes only with similar to background DOTATATE avidity. Biopsy of the perirectal lymph node confirmed metastasis from neuroendocrine tumor. The distinct imaging characteristics of metastases from different primary malignancies correlated with their underlying different pathology. Topics: Adenocarcinoma; Aged; Carboxylic Acids; Carcinoid Tumor; Cyclobutanes; Humans; Intestinal Neoplasms; Male; Neoplasm Metastasis; Organometallic Compounds; Positron Emission Tomography Computed Tomography; Prostatic Neoplasms; Radiopharmaceuticals; Rectal Neoplasms | 2019 |
Al
Topics: Aluminum; Chelating Agents; Heterocyclic Compounds, 1-Ring; Humans; Male; Middle Aged; Neoplasm Metastasis; Neuroendocrine Tumors; Octreotide; Organometallic Compounds; Positron Emission Tomography Computed Tomography; Radiopharmaceuticals; Rectal Neoplasms | 2019 |
Adrenocorticotropic Hormone-Secreting Neuroendocrine Tumor of the Rectum Demonstrated on 68Ga-DOTATATE and 18F-FDG PET Imaging.
An 81-year-old man with Cushing syndrome was referred for a Ga-DOTATATE PET/CT study to investigate for an ectopic source of adrenocorticotropic hormone. The scan demonstrated mildly increased octreopeptide uptake at a rectal mass and focal uptake at multiple regions throughout the bone marrow of the axial skeleton, consistent with metastases. A subsequent F-FDG PET/CT study was performed for further evaluation and demonstrated markedly increased metabolism at the previously identified rectal mass, in addition to the liver and multiple regions throughout the skeleton. Histopathology from biopsy of the rectal mass confirmed a small cell neuroendocrine carcinoma. Topics: Adrenocorticotropic Hormone; Aged, 80 and over; Fluorodeoxyglucose F18; Humans; Male; Neuroendocrine Tumors; Organometallic Compounds; Positron Emission Tomography Computed Tomography; Rectal Neoplasms | 2017 |