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98 年不療理 98 年 4109 8 1 類理 1 不 80 1.25 2 不 1 列 air-gap Merchant method Fisk method Norgaard method 2 量 average glandular dose AGD 列度量例 3 列行量度 image receptor 4 列度數 modulation transfer function MTF characteristic curve 度 5 立列度 sacrum iliac crest 聯 symphysis pubis anterior superior iliac spine ASIS 6 行 carpal bridge 切 tangential projection 列 X 45 度狀 pisiform triquetrum 狀 scaphoid 狀 lunate triquetrum 狀 pisiform 狀 hamate 7 ASIS 聯 symphysis pubis 連連 1 2 2 列 acetabulum femoral neck 8 列不 mastoid femoral head greater trochanter Law method Towne method Stenvers method Caldwell method 9 列力

8 2 10 列不 sinus SMV projection Caldwell method Lateral position Law method 11 列行 scapula Y 狀行 X 狀行狀 45 ~60 X 狀 45 ~60 12 行 foot 列 10 度 cone 13 列 AP Lordotic Projection SID 100 度 30-40 度若 30 度 14 列行 Bucky posteroanterior projection X anteroposterior oblique projection dorsum X anteroposterior oblique projection X mediolateral projection X 15 列不卵 HSG 女不 16 列行 Myelography 17 列若塞 renal artery external iliac artery 18 列 19 列 T-tube cholangiography PTC 20 列 liver abscess CT sonography 流刺 splenic artery hepatic artery Operative cholangiography ERCP 塞切

21 尿路 IVU 列 1 15 泌尿 KUB 錄 22 Intravenous urography 行留尿 23 立 Toe-touch test 了不 Achalasia Esophageal carcinoma 24 行列 Esophageal varices 流 Gastro-esophageal reflux 4 6 8 12 25 列列 8 女不女 10 行糖 26 列 xiphoid tip 肋 1/2 聯 1/2 27 30 1 2 3 6 8 10 12 28 CT X-ray source electron beam CT CT CT CT 29 列靈度 sensitivity profile full width at half maximum FWHM 螺 pitch 360 度 interpolation 180 度靈度 Z- 度 30 X 量 X 100% 90% 5% 1% 31 度列 Pitch 數切度 Pitch 數切度 32 CT 易狀 Pitch 數切度 Pitch 數切度 4109 8 3 X-ray tube detector 度 collimator

8 4 33 CT matrix inversion filtered back-projection back projection iterative approximation 34 行 CTA 理列 surface rendering multiplanar reconstruction MPR maximum intensity projection MIP volume rendering 35 CT HU 列 -10 1 40 100 36 列 Shaded surface display SSD thresholding of CT number 37 CT number Hounsfield units 離 viewer 亮 voxel information in 3D space +50 0-100 -1000 38 CT 數參 39 delayed phase CT 來列 40 行療狀若臨列 X- X- 41 降 42 律 Sampling theory 率不率率 2 率 2 率 1/2 43 列 FOV field of view chemical shift motion artifacts aliasing RF noise

44 列參數度 proton density weighted image TR TE TR TE TR TE TR TE 45 MRI 度 precession frequency 零 46 MR k-space 列 4109 8 5 度度度度 47 列識 transverse relaxation T1 weighted images proton density weighted images 48 列 cross-talk artifact 切切度 RF 49 列 T1 weighted image T2 weighted images diffusion weighted images 度度切度 cross-talk 降 T1 weighting 金 50 列降 truncation artifacts sampling bandwidth 切度切度 fat suppression 51 列 chemical shift 率 52 列 MRI time of flight MRA 流 perfusion imaging diffusion weighted imaging DWI 量 diffusion tensor imaging DTI 53 率 left gastric artery 狀葉

8 6 54 perirenal hematoma refraction artifact 55 列 CT noise ma 切度 pixel size 56 列切狀切來力若 3 若 6 裂若 6 離 dissection 裂率不 57 列聯量量 58

8 7 59 列易不易若尿易 60 列不不 61 列量便量量量離尿量 2 尿不尿若尿理 62 X 若 basefog 度烈度烈降列漏度度度 63 列不 Doppler flow phantom Doppler 來度流 flow velocity accuracy 流 B-mode alignment 離量 64 列 28 kvp X 0.14 mm 量 0.28 mm 量 1.4 mm 量 2.8 mm 量 65 列 X 度度濾量 66 CT 不 HU 10 5 2 1 67 若 DSA digital subtraction angiography 8 bits/pixel 512 512 了 20 byte 41.9 Mbytes 5.24 Mbytes 81.9 kbytes 10.2 kbytes 68 lossy compression 不 ACR/NEMA ISO FDA WHO WHO ISO ACR/NEMA FDA 69 DICOM 不列 Matrix sizes 理 Image processing Byte-ordering Header format 70 列 PACS picture archiving and communication system RIS radiology information system HIS hospital information system LIS laboratory information system

8 8 71 DICOM 列 IPX HTTP SMTP TCP/IP 72 不 73 連 74 probe 列量力不 75 36 力 frontal horns 76 列塞 Transcatheter arterial embolization TAE 塞塞 Gelfoam Coils Detachable balloons Polyvinyl alcohol 77 列 Abdominal angiography Carotid angiography Vertebral angiography Pulmonary angiography Celiac angiography 78 Catheter 了列流不 79 PA Axial projection Caldwell method 裂 superior orbital fissures foramen rotundum inferior orbital rim CR 度 10 ~15 25 ~30 10 ~15 25 ~30 80 spin echo 180 列 T1 T2 度 T2*