Pathology Digital Radiology Techniques used in imaging
Why is technology so important Why is technology so important? Prenatal Diagnosis and Management of Conjoined Fetuses
Traditional X-ray Uses electromagnetic waves to produce the image. Must have film processor. Films are hung on a view box to review by radiologist Most traditional x-rays have been replaced with digital, but can be found in orthopedics and dentistry.
Digital Imaging Uses computers to generate pictures of the internal body Computers use mathematical information to make pictures Advantages No developing process or chemicals Viewed on computer Instant imaging Can be transmitted via internet Less radiation Can be enhanced or manipulated
Digital Mammography Used for the diagnosis of breast cancer Useful for patients less than 50 years old Ultrasound can also be used to detect tumors and cysts
Ultrasound Uses high frequency sound waves to produce an image Non invasive and causes no pain to patient
Computerized Tomography (CT scan) Sends x-ray through the body to take a thin slice picture of the body part (cross-sectional) Enhanced CT scans use injectable dye to produce image
Magnetic Resonance Imaging (MRI) Produces images of soft body tissues The image is produced by computer and a magnetic field Uses no radiation
Positron Emission Tomography Uses camera and radioactive drug to produce an image Uses radioscope technology The technique is most often used to locate cancers Has also been used to study Alzheimer’s and Parkinson’s disease
Interventional Radiology Invasive procedure using catheters and needles to perform such interventions as angioplasty, biopsies and stent placement using radiographic guidance