| No. | Item | Definition |
|---|---|---|
| 1. | abscess | localized pus collection |
| 2. | aneurysm | vessel wall bulge |
| 3. | angiography | imaging of blood vessels |
| 4. | AP | front-to-back projection |
| 5. | artifact | false image feature |
| 6. | atherosclerosis | arterial plaque disease |
| 7. | attenuation | reduction of x-ray beam |
| 8. | axial | horizontal body plane |
| 9. | barium | contrast for digestive imaging |
| 10. | benign | not cancerous |
| 11. | bilateral | on both sides |
| 12. | biopsy | tissue sampling procedure |
| 13. | calcification | calcium deposit in tissue |
| 14. | chronic | long-lasting |
| 15. | comparison | review against prior study |
| 16. | consolidation | airspace filled with material |
| 17. | contrast | substance improving image visibility |
| 18. | coronal | front-to-back body plane |
| 19. | CT | cross-sectional x-ray imaging |
| 20. | cyst | fluid-filled sac |
| 21. | density | degree of x-ray absorption |
| 22. | diagnosis | identified disease or condition |
| 23. | differential | possible alternative diagnoses |
| 24. | diffuse | spread widely |
| 25. | dislocation | bone out of joint |
| 26. | dose | amount of radiation |
| 27. | drainage | removal of collected fluid |
| 28. | edema | swelling from excess fluid |
| 29. | effusion | fluid in body space |
| 30. | embolism | traveling vessel blockage |
| 31. | embolus | moving clot or material |
| 32. | enhancement | increased contrast appearance |
| 33. | exposure | contact with radiation |
| 34. | findings | observed imaging results |
| 35. | fluoroscopy | real-time x-ray imaging |
| 36. | focal | limited to one area |
| 37. | follow-up | later repeat assessment |
| 38. | fracture | broken bone |
| 39. | gadolinium | common MRI contrast agent |
| 40. | guidance | imaging help during procedure |
| 41. | hematoma | localized blood collection |
| 42. | hemorrhage | bleeding within tissues |
| 43. | history | clinical background information |
| 44. | hydronephrosis | swollen kidney from blockage |
| 45. | image | visual representation of anatomy |
| 46. | imaging | creating medical pictures |
| 47. | impression | summary diagnostic conclusion |
| 48. | incidental | found unexpectedly |
| 49. | indication | reason for examination |
| 50. | infarct | tissue death from ischemia |
| 51. | ischemia | reduced blood supply |
| 52. | lateral | side-view image orientation |
| 53. | lesion | abnormal tissue area |
| 54. | level | display center brightness |
| 55. | lucency | darker area on image |
| 56. | malignant | cancerous and invasive |
| 57. | mammography | breast x-ray imaging |
| 58. | mass | localized abnormal growth |
| 59. | metastasis | spread of cancer |
| 60. | modality | type of imaging technique |
| 61. | MRI | magnetic resonance imaging |
| 62. | necrosis | dead tissue |
| 63. | nodule | small rounded lesion |
| 64. | noise | random unwanted image signal |
| 65. | normal | without abnormal finding |
| 66. | oblique | angled imaging plane |
| 67. | obstruction | blocked passage or flow |
| 68. | occlusion | complete blockage |
| 69. | opacity | whiter area on image |
| 70. | PA | back-to-front projection |
| 71. | PET | metabolic imaging with tracer |
| 72. | pixel | smallest image picture element |
| 73. | plane | anatomical imaging orientation |
| 74. | portable | performed at bedside |
| 75. | projection | image from beam direction |
| 76. | prone | lying face downward |
| 77. | protocol | standard imaging procedure |
| 78. | radiation | energy used for imaging |
| 79. | radiologist | doctor who interprets images |
| 80. | radiology | medical imaging specialty |
| 81. | recommendation | suggested next step |
| 82. | report | written imaging interpretation |
| 83. | resolution | image detail clarity |
| 84. | sagittal | side-to-side body plane |
| 85. | scan | medical imaging examination |
| 86. | sequence | ordered MRI image acquisition |
| 87. | signal | measured imaging information |
| 88. | slice | single cross-sectional image |
| 89. | stenosis | abnormal narrowing |
| 90. | subluxation | partial joint dislocation |
| 91. | supine | lying face upward |
| 92. | thrombus | blood clot in vessel |
| 93. | ultrasound | imaging with sound waves |
| 94. | unilateral | on one side |
| 95. | upright | taken while standing |
| 96. | uptake | tracer absorption by tissue |
| 97. | view | particular imaging angle |
| 98. | voxel | three-dimensional image element |
| 99. | window | display brightness range |
| 100. | x-ray | image made with radiation |
