Biliary scans are used to check for obstructions within the biliary system and to calculate the function of the gallbladder. An injection of Cholecystikinase is given once the liver, gallbladder, and bowel are visualized. This injection causes the gallbladder to contract. Imaging then continues for 25 minutes. Biliary scans take 1 1/2 to 2 hours. Patient preparation: Nothing to eat or drink for four hours prior to the exam.
Bone scans are used to detect abnormalities within the bones. These abnormalities can range from fractures to metastatic disease. The exam consists of a injection of a radioactive isotope, followed by a waiting period of 3-4 hours, in which the patient is free to leave. The exam can take up to 4-5 hours (including the waiting period after injection). There is no preparation for this exam.
This is used to localize seizure activity within the brain. This exam is usually done under sleep deprived conditions while the patient is admitted to the hospital. The imaging is completed after the patient was injected with the radioactive isotope during a seizure. Imaging takes approximately 30 to 40 minutes. Patient Preparation: Patient will be asked to stop taking anti-seizure medication once they arrive at the hospital.
Breast Sentinel Node Localization
Breast sentinel node localization is a tool to assist surgeons in detection of the sentinel node of the lesion during surgery. The Nuclear Medicine portion of the procedure takes 30 minutes for the injection and after a delay of 90 to 150 minutes another 30 minutes for imaging. Patient Preparation: None for the Nuclear Medicine portion
Imaging procedure where a small amount of radioactive material is injected into cerebral-spinal fluid (CSF). This is done via a lumbar puncture in radiology under fluoroscopy. The patient is imaged on 3-4 consecutive days to ensure proper flow of CSF.
Procedure similar to a cisternogram. After the radioactive material is injected into the cerebral-spinal fluid (CSF), the person is sent to ear, nose, and throat (ENT) for pledgets (small pieces of gauze) which are inserted into the nasal cavity. The pledgets are removed after 4 hours and measured for radioactivity, and imaging will begin. Imaging can take place for up to 3 consecutive days.
Gallium is used to detect inflammation within the body. It can also be used to detect certain types of tumor, such as non-hodgkins lymphoma. Gallium scans are usually images 24 to 72 hours and could be done for three consecutive days. Each imaging session takes approximately 1 hour. Patient Preparation: None
Gastric Emptying Scan
A gastric emptying study is used to determine the rate in which your stomach digests food. If motility is decreased, Reglan (a medication) may be injected into the patient's blood stream and another image follows 30 minutes later to determine if Reglan is a medication that will help. Gastric emptying scans will take 2 1/2 to 4 hours. Patient preparation: Nothing to eat or drink for 6 hours prior to the exam.
This is to locate a source of intestinal bleeding. An intravenous access is used to draw a small amount of blood. The red blood cells are then tagged to a small amount of radioactive material (takes approximately 25 minutes). The red blood cells are then reinjected into the patient and imaging begins. Imaging can last 1-2 hours with additional views up to 24 hours.
I-131 Wholebody Scan
For this exam patients need to come in on two separate occasions. The first day consists of talking to a physician and taking a pill consisting of radioactive Iodine. Then 48 to 72 hours later wholebody imaging will be done. The exam takes about 1 hour each day. Patient Prep: Patient will be asked to be off their thyroid medication. Females must be at least one year post menopausal, have had a hysterectomy, or a negative pregnancy test.
This exam is used to evaluate the size of the liver and can also be used to assess for an accessory spleen (small remaining spleen after the removal of a person’s spleen). A small amount of radioactive material is injected into the person’s vein. 15-30 minutes after injection, imaging begins and will last up to 1 hour.
Lung scans can be ordered to detect blood clots in the lungs (pulmonary embolism). The lungs may also be imaged to quantify the air flow and blood flow to the lungs. The lung scan for pulmonary embolism can take up to 1 hour. The lung scan for quantification will take 2-2 1/2 hours. There is no patient prep for these exams.
Used to determine if the blood in a person’s stools is due to gastro mucosal cells located within the intestines. The cells secrete gastric juices for digestion that can irritate and cause bleeding when these cells are located outside the stomach. After an injection of a radioactive material, imaging begins and continues for up to 1 hour.
This exam is used to diagnose and localize suspected neuroendocrine tumor. The person receives an injection of I-123 MIBG and returns the next day (approximately 24 hours) for imaging. This imaging session lasts up to 2 hours.
MUGA or RNA
This scan is used to calculate the ejection fraction of the left ventricle of your heart. The scan takes 1 hour. Patient Preparation: None
Myocardial Perfusion Imaging
Myocardial Perfusion Imaging is used to detect areas of decreased or absent blood flow to the muscle of the heart. The exam can take up to 4-5 hours. Preparation includes nothing to eat or drink 3 hours prior to the stress test and no caffeine of any kind after midnight.
Myocardial Perfusion can also be evaluated using Rubidium-82 in conjunction with a PET/CT scanner
This scan is used to detect neuroendocrine tumors. It is a two day test. On day 1, you receive an injection of a radioactive isotope. After a 4 hour delay, a set of images are taken which will take approximately 1/2 hour. 24 hour images will then be taken the next day. These images take 1 1/2 to 2 hours. Patient Preparation: None
Parathyroid scans are used to determine and localize parathyroid tissue that is overactive. The scan takes place in two parts with each part lasting approximately 45 minutes with a two hour delay in between. Patient Preparation: None
PET (Positron Emission Tomography) and CT (Computed Tomography) scans are both standard imaging tools that physicians use to pinpoint body disease states. A PET scan demonstrates the biological function of the body before anatomical changes take place, while the CT scan provides information about the body's anatomy such as size, shape and location. By combining these two scanning technologies, a PET/CT scan enables physicians to more accurately diagnose and identify cancer, heart disease and brain disorders.
This is used to aid in treatment options when the person has a rising PSA following radical prostatectomy. The person is injected on a Thursday or Friday and will return 4 days later for imaging. Imaging will last 2 hours.
These scans are used to determine the function of the kidneys. They can also be use to aid in the diagnosis of renal artery stenosis and for cortical scarring, due to frequent urinary tract infections. The patient is requested to be well hydrated prior to coming in for the scans unless otherwise directed. The exam can last 1-4 hours depending on the type of renal imaging your physician has ordered.
Thyroid Uptake and Scan
This exam is used to determine if a person’s thyroid is overactive. A small capsule of radioactive iodide is given to the patient. 4 hours after administration of the capsule the person returns for a series of counts over their neck. This will determine how much of the capsule has been picked up by the thyroid. Imaging then follows. The patient may need to return the next day for an additional series of counts over their neck.
White Blood Cell Scan
This is used to detect infection within the body. The person will need to come two consecutive days. On the first day blood will be drawn and the white blood cells will be labeled with a radioactive isotope. Four hours after the blood is drawn, the labeled white blood cells will be re injected. Scanning then takes place the next day. On day 1, the two appointments will take 1/2 hour each. On day 2, the appointment will take 1/2 to 1 hour. Patient Preparation: None