68Ga-DOTATATE PET Scan in Neuroendocrine Cancer

Inclusion Criteria:

* Known diagnosis of neuroendocrine tumor
* At least 18 years of age
* Able to provide informed consent
* Karnofsky score greater than 50
* Females of childbearing potential must have a negative pregnancy test at screening/baseline

Exclusion Criteria:

* Serum creatinine \>3.0 mg/dL (270 μM/L)
* Hepatic enzyme levels more than 5 times upper limit of normal.
* Known severe allergy or hypersensitivity to IV radiographic contrast.
* Use of any other investigational product or device within 30 days prior to dosing, or known requirement for any other investigational agent prior to completion of all scheduled study assessments.
* Patients with a body weight of 400 pounds or more or not able to enter the bore of the PET/CT scanner due to BMI, because of the compromise in image quality with CT, PET/CT and MRI that will result.
* Inability to lie still for the entire imaging time (e.g. cough, severe arthritis, etc.).
* Inability to complete the needed investigational and standard-of-care imaging examinations due to other reasons (severe claustrophobia, radiation phobia, etc.)
* Recognized concurrent active infection
* Any additional medical condition, serious intercurrent illness, or other extenuating circumstance that, in the opinion of the Investigator, may significantly interfere with study compliance.