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PET
PET/CT
PET Images
Patient Information Sheets
OVERVIEW
- One of the most advanced and powerful imaging
techniques available to diagnose diseases, including cancer and heart disease
- Combines the most rapid and sophisticated
computed tomography (CT) with the most advanced positron emission tomography
(PET) system
- A non-invasive procedure that provides unique
information about the body’s metabolism, cell function, and the exact location
of disease
- Pinpoints the precise location and activity of
cancer and gives important early information about cardiac and neurological
diseases
- Streamlines testing and decreases the need for
invasive biopsies, thus significantly reducing the time, pain, and expense of
multiple procedures for the patient
HOW PET WORKS
- Compounds like glucose are labeled with
signal-emitting tracers and are injected into the patient.
- A scanner records the signals these tracers
emit as they journey though the human body and collect in the various organs
targeted for examination.
- A computer assembles the signals into actual
images for viewing by your physician.
- Although glucose is used by all cells in the
body, cancer cells are highly metabolic and use more glucose than neighboring
cells. The strength of the signals make cancer cells easy to spot on a PET
scan.
PROCEDURES
- WHOLE BODY
- Helps physicians diagnose many common
cancers, including breast, colorectal, esophageal, head and neck, lung,
lymphoma, melanoma, ovarian, pancreatic, thyroid, and musculoskeletal tumors
- Identifies what portions of the body contain
cancer
- Determines whether the cancer has spread to
other organs
- Evaluates how well the patient is responding
to treatment
- HEART
- Distinguishes healthy heart muscle from
non-functioning tissue after a heart attack
- Identifies whether or not the heart muscle
is getting adequate blood supply
- Evaluates the extent of heart disease in
patients being considered for heart bypass or transplant operations
- BRAIN
- Differentiates recurring brain tumors from
healthy tissue for targeted radiation therapy
- Differentiates lymphoma of the central
nervous system from toxoplasmosis, a disease with similar symptoms caused by
a microscopic parasite
- Differentiates Alzheimer’s disease from
dementia that is caused by multiple mini-strokes
- Evaluates the source of epileptic seizures
that are not being completely controlled by medical therapy
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