What Is a CT Scan With Contrast? In a CT scan, dense body parts likebonesare easy to see. But soft tissues don’t show up as well. They may look faint in the image. To help them appear clearly, you may need a special dye called a contrast material. It blocks the X-rays and ap...
The purpose was to compare contrast-enhanced PET/CT (cePET/CT) and non contrast-enhanced PET/MRI (PET/MRI) concerning diagnostic accuracy in evaluation of abdominal lesions. METHOD AND MATERIALS 21 patients (mean age 59.5 years, range 35 to 78 years, 11 female, 10 male) with suspected ...
Objective:To compare the diagnostic accuracy of positron emission tomography/computed tomography(PET/CT)with contrast enhanced CT(CECT)alone in the initial evaluation of cervical lymph node of patients with head and neck cancer.Methods:Fifteen consecutive patients diagnosed with a head and neck cancer ...
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Radiation does not stay in the body with a CT scan: After a CT scan, no radiation remains in the body. On the contrary, a small amount of radiation may stay in the body for a short time after a PET scan. PET scans detect cancer earlier than other tests: Unlike other forms of imagi...
PET/CT acquisition, we performed a dual-phase (arterial and venous phase) thoracic contrast-enhanced CT (CECT) (no ECG-gating) with a non-ionic iodinated contrast agent (Iopamiro, 370 mg of iodine/ml, Bracco Sine Pharmaceutical Corp. Ltd., Shanghai, China) on the same PET/CT scanner...
Aim of the study was to quantify the economic impact of PET/CT and contrast enhanced (c.e.) CT performed in a single session examination vs. stand-alone modalities in oncological patients. One-hundred-forty-five cancer patients referred to both PET/CT and c.e. CT, to either stage (N....
The purpose of the present study was to determine the diagnostic accuracy of non-enhanced CT and contrast-enhanced CT in integrated PET/CT studies for preoperative nodal staging of rectal cancer. Retrospective analysis was performed in 53 patients with pathologically proven rectal cancer who had been...
A whole-body 18F-FDG PET scan was performed from the skull base to the mid-thigh. The CT scan without contrast was performed immediately prior to the PET scan with a multi-detector 2-slice spiral CT scanner. For the whole-body emission scan, 9-bed positions were examined at 3 min per...
Purpose: To compare PET/CT with superparamagnetic iron oxide (SPIO)-enhanced MR imaging, PET, and CT in the detection of liver metastases (LM) and extrahepatic tumor from colorectal cancer (CRC). Material and Methods: Thirty-five patients with suspected LM underwent PET/CT with a contrast-...