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Chapter 19
diagnostic imaging, radiation oncology, and surgery
| Term | Definition |
|---|---|
| alpha rays | type of radioactive particle that has low ability to penetrate body |
| barium | contrast medium that shows up white on xray |
| beta rays | type of radioactivve particle that has medium ability to pentrate body |
| brachytherapy | implanting radioactive elements directly into tumor or tissue |
| cat scan/ct scan | scan that shows images as detailed slives of body part or organ |
| cineradiography | radiography of tissues or organs in motion |
| diagnostic imaging | use of imaging techniques in diagnosing illnesses |
| gamma rays | commonly used radioactive particles with high penetrating ability |
| fluoroscopy | xray which image is projected onto fluorescent screen |
| gray (gy) | unit of measure equal to 100 rads |
| imaging | production of visual output using xrays sounds waves or magnetic fields |
| interstitial therapy | substance placed within tissue or tumor |
| intracavitary therapy | brachytherapy which radioactive substance is placed in cavity near cancerous lesion |
| iodine | substance used in radiopharmaceuticals for contrast medium and radiation therapy |
| ion | + charged particle used to ionize tissue |
| ionize | destroy cells by changing neurtal particles to ions using xrays |
| malaise | general feeling of illness |
| mri | imaging produced by tracking magnetic properties in nuclei of various cells |
| irradiated | treated with radiation |
| rad (radiation absorbed dose) | unit of radioactive substance that can be absorbed in partiular period of time |
| pet scan | series of images that shows distribution of substance thru tissue |
| nuclear medicine | medical specialty for treating diseases with radioactive substances |
| radiation | energy carried by stream of particles from substance |
| radiography | prodction of diagnostic images |
| radioimmunoassay (ria) | in vitro test to determine amount of drugs or medication left in body |
| radiology | medical specialty in diagnostic imaging and radiation treatment |
| radionclide | radioactive susbtance |
| radiolucent | able to easily pentrated by xrays |
| radiopaque | not able to be easily penetrated by xrays |
| radiopharmaceutical | chemical substance containing radioactive material |
| radioresistant | not greatly affected by radiation |
| radiosensitive | easily affected by radiation |
| roentgenology | radiology |
| scan | image obtained from interior of body |
| sonogram | ultrasound image |
| xray | high energy particles of radiation from interior of substance |
| uptake | speed of absorption of radiopharmaceutical by particular organ or body part |
| ultrasound | image resulting from ultrasonography produced by sound waves |
| ultrasonography | use of sounds waves to produce images of interior of body |
| tracer study | image that traces the passage of radio pharmaceutical thru organ or tissue |
| tomography | type of imaging that produeces 3d images |
| stereotactic frame | headgear worn by patients needing pinpoint accuracy in treatment of brain anomalies |
| aseptic | germ free |
| cauterixing | destroyin tissue by burning |
| clamps | implement used to grasp body part during surgery |
| closed | performed without an incision |
| cosmetic | designed to improve appearance of exterior body part |
| cryogenic | destroyin tissue by freezing |
| curette | sharp instrument for scraping tissue |
| diagnostic | helping fianlize diagnosis |
| dilator | implement used to enlarge an opening |
| forceps | surgical implemnt used to grasp and remove something |
| manipulative | done without incision as in reduction of fracture |
| minimally invasive | done with smallest incision possible such as clearing of arterial blockages with tiny probes that use lasers |
| mohs surgery | removal of carcinoma after amppin gwith chemical to establish narrowest possible margin of affected tissue |
| needle holder | surgical forceps used to hold and pass suturing needle thru tissue |
| operation | any surgical procedure such as removal transplant or manipulation of tissue |
| preventative | designed to stop or prevent disease |
| probe | sharp device for exploring body cavities or clearing blockages |
| reconstructive | designed to restore body part to its original state or appearance |
| retractor | instruent used to hold back edges of tissue and organs to expose other tissues or body parts especially used in surgery |
| scalpel | knife used in surgery or dissection |
| standard precautions | guidelines issued by centers for disease control for preventing spread of disease |
| staples | metal devices used to suture surgical incisions |
| surgery | removal transplant or manipulation of tissue |
| surgical scissors | scissors used for cutting and dissescting tissue during surgery |
| suture needles | needles used in closing surgical wounds by sewing |
| cine | movement |
| electro | eleectric electricity |
| fluoro | light luminous |
| micro | small |
| radio | radation |
| sono | sound |
| ultra | beyond |
| centesis | puncture |
| classis | breaking |
| clast | beraking |
| ectomy | removal of |
| gram | recording |
| graph | recording instrument |
| graphy | process of recording |
| opsy | viewing |
| ostomyo | opening |
| pexy | fixation done surgically |
| plasty | surgival repair |
| rrhaphy | surgical suturing |
| scope | instrument for ovserving |
| scopy | viewing |
| tome | cutting segment |
| tomy | cutting operation |
| stomy | oepning |
| ba | barium |
| bae | barium enema |
| cat | computerized axial tomography |
| cspine | vercival spine |
| ct | computed tomography |
| cxr | chest xray |
| ivu | intraveous urography |
| mra | magnetic resonance angiography |
| mri | magnetic resonance imaging |
| dsa | digital subtraction angiography |
| ercp | endoscopic retrograde cholangiopancreatogrpahy |
| fx | fracture |
| rai | radioactiev iodine |
| xrt | raiation therapy |
| ra | radium |
| r | roentgen |
| u/s | ultrasound |
| nmr | nuclear magnetic resonance imaging |
Created by:
cs3516
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