tomography

Tomographic imaging is most suitable for large organ imaging, such as brain, heart, lung, liver, etc., analysis of space-occupying lesions, blood supply, organ volume measurement. Cerebral blood flow perfusion imaging has unique advantages in the diagnosis of cerebral ischemic diseases and epilepsy; myocardial perfusion imaging in the diagnosis of "coronary heart disease", myocardial infarction and prognosis, etc., is the closest to the effect of catheter examination A non-invasive method of inspection. Basic Information Specialist Category: Oncology Inspection Category: Radionuclide Applicable gender: whether men and women apply fasting: fasting Analysis results: Below normal: Normal value: no Above normal: negative: The tomographic image can show the radioactivity distribution in the organ more accurately. Positive: Analysis of brain, heart, lung, liver and other space-occupying lesions, blood supply, organ volume measurement. Tips: Tumor tomography should be examined on an empty stomach. Sometimes ask for a glass of water before testing. Normal value The SPECT probe is rotated around the body surface to collect information, or three-dimensional information is collected simultaneously around the body with PET, processed and reconstructed into transverse, coronal and sagittal tomographic images. The tomographic image can show the radioactivity distribution in the organ more accurately. Clinical significance Abnormal results: brain, heart, lung, liver, etc., analysis of space-occupying lesions, blood supply, organ volume measurement. Cerebral ischemic disease and epilepsy have unique advantages in the diagnosis of cerebral ischemic disease and epilepsy; myocardial perfusion imaging is used to diagnose "coronary heart disease", myocardial infarction and prognosis. People who need to be examined: Organ diseases and cancer patients can be examined. Precautions Forbidden before examination: Tumor tomography should be examined on an empty stomach. Sometimes ask for a glass of water before testing. Requirements for inspection: in a calm state, if necessary, sedative. Inspection process The 360-degree (or 180-degree) rotation of the target organ is used to acquire multi-planar information, and the image processing (reconstruction, slice, enlargement, projection) is performed by a computer to obtain a cross-sectional image of a different thickness and a different observation surface and depth. Such an image computer can combine them into a stereogram (rotating in different directions, rotating at different speeds for viewing). Not suitable for the crowd Inappropriate crowd: generally not. Adverse reactions and risks Nothing.