1、 Konica CR數位乳房影像及X光攝影儀品質保證校驗紀錄表 A.日常性(非年度)品質保證作業每週、每季及每半年實施: 1.每日乳房攝影數位影像系統檢查(Daily Operational Checks)(RTQm-1).………….….2 2.假體影像品質控制表(Phantom Image Quality Chart) (RTQm-2)………….………...…3 3.影像板片匣檢視與清潔紀錄表(Image Cassette and Plate Check) (RTQm-3).…………4 4.影像顯示器與閱片箱清潔紀錄表(Monitor and Viewbox
2、Check Chart) (RTQm-4)…...5 5.系統設備檢查與清潔品管表(Visual Inspection Chart) (RTQm-5)…………………..…6 6. 乳房攝影品管清單(A) (RTQc-1a)、(B) (RTQc-1b) ……………………………….…...7、8 7.重照影像紀錄表、分析表(Repeat Analysis Chart) (RTQm-6a、RTQm-6b)……....…9、10 8.壓迫力測試表(Compression Force Test Chart) (RTQm-7)………………..…………...11 9. 每季每半年乳房攝影品管清單(
3、RTQc-2) ……..…………………………………...…12 B.定期性(年度)品質保證作業每年實施: 10.房攝影單元組件檢查表(Physical Inspection Chart) (MPQm-8)………….…….…....13 11.暗雜訊評估表(Dark Noise Check Chart) (MPQm-9)……………………….….….…14 12.殘影評估(Ghost Image Evaluation Chart) (MPQm-10)….…………………….….…..15 13.管電壓準確性與再現性評估(kVp Accuracy and Reproducibility Ev
4、aluation Chart) (MPQm-11) ……………………………………………………….….…….....16 14.自動曝光控制效能評估表(AEC Performance Check Chart) (MPQm-12)…........…...17 15.系統假影評估表(System Artifact Evaluation Chart) (MPQm-13)…….…….….…….18 16.影像板感光均勻度評估表(Image Plate Response Uniformity Check Chart) (MPQm-14)…………………………………………………………….
5、……….....…..19 17.影像顯示器品質管制表(Monitor Quality Control Chart) (MPQm-15)……..………..20 18.印像機品質管制表(Printer Quality Control Chart) (MPQm-16)…………….…….…20 19.閱片裝置及閱片環境評估表 (ViewBoxes and Viewing Condition Evaluation Chart) (MPQm-17)……………………………………………………...….…………..20 20.解析度評估表(Spatial Resolution Evaluation
6、 Chart) (MPQm-18)…..………….….…21 21.假體影像品質評估表(Phantom Image Quality Chart) (MPQm-19)……………….…22 22.幾何失真測試表(Geometric Distortion Check Chart) (MPQm-20)….…………..…...23 23.S值對應顯示測試(S-Value Response Indicator Check Chart) (MPQm-21)…….……24 24.準直儀狀況評估(Collimator Assessment Check) (MPQm-22)……………………….25
7、 25.射束品質的評估及半值層測定表(Beam Quality Evaluation and HVL Measurement) (MPQm-23)…………………………………………………...……....26 26.乳房入射曝露、自動曝露控制的再現性、平均乳腺劑量和輻射輸出評估 (MPQm-24) …………………….……………………………………………...……....27 品質保證校驗紀基本資料 一、數位影像系統︰ 製造廠商︰Konica-Minota 型號︰ ___________________ 二、X光攝影儀
8、︰ 製造廠商︰ 型號︰ ___________________ 三、影像顯示器︰ 製造廠商︰ 型號︰ ___________________ 四、印相機︰ 製造廠商︰ 型號︰ ___________________ 每日乳房攝影數位影像系統檢查(Daily Operational Checks) ( RTQm-1) Site: Date: Equ
9、ipment: X-ray unit manufacturer /Model : (
10、 Frequency: Daily) A . X-ray Unit Evaluation Pass Fail 1 Free-standing unit is mechanically stable 2 All moving parts move smoothly, without obstructions to motion 3 All locks and detents work properly 4 Image receptor holder assembly is free from vibrations 5
11、 Image receptor slides smoothly into holder assembly 6 Image receptor is held securely by assembly in any orientation B. CR Control Area Evaluation Pass Fail 7 CR Acquisition Monitor is free of blemishes and 8 REGIUS login screen is displayed and no errors are reported
12、 9 No errors are displayed on the R190 Reader 10 Technique chart is in place 11 Exposure switch is in place C. Imaging Cassettes and Plates (Place the R190 Reader into “Deep” erase mode) Pass Fail 12 Insert each cassette into the Reader for erasure 13 Following erasu
13、re the cassettes should be stored in a radiation shielded location to prevent fogging of the imaging plate from scatter radiation Performance Criteria: All evaluation items are met. All Cassette are returned. Co
14、mments: 假體影像品質控制表(PHANTOM IMAGE QUALITY CHART )(RTQM-2) 影像板片匣檢視與清潔紀錄表(Image Cassette and Plate Check)(RTQm-3) 廠牌︰____________________型號︰_______________________年份 ___________________年 (實施頻率:每週) Date IP# 1 IP# 2 IP# 3 IP# 4
15、 IP#5 IP#6 IP#7 IP#8
16、 Performance Criteria: All evaluation items are met. 改善措施: 影像顯示器與閱片箱清潔紀錄表(Monitor and Viewbox Check Chart) (RTQm-4) 廠牌︰___
17、型號︰_______________________年份 ___________________年 (實施頻率:每週) Date Radiologist’s Monitor CR Console Viewbox Monitor 1 Monitor 2 Monitor 3 Monitor 4 Monitor Viewbox 1 Viewbox 2
18、
19、 Performance Criteria: All check items are met. 改善措施: 系統設備檢查與清潔品管表(Visual Inspection Chart) (RTQm-5) X-ray Unit: CR Model:_ _ Year:_
20、 (Frequency: Monthly) Month 1 2 3 4 5 6 7 8 9 10 11 12 Date Initials Gantry: Angulation Indicator Locks (all) Field Light Smoothness of moti
21、on Inspect all paddles for cracks Control Panel: Switches/indicators Display Technique charts Cleaning: X-rayUnit All Image Plate
22、 Monitors View Boxes Pass: P Fail: F Dose not Apply: N/A Performance Criteria: All inspection items are met. Comment: 乳房攝影品管清單(A) 每日/每週檢視 (RTQc-1a)
23、 乳房攝影品管清單(B) 每月檢視(RTQc-1b) 重照影像紀錄表(Repeat Analysis Chart-a)(RTQm-6a) 重照影像分析表(Repeat Analysis Chart-b) (RTQm-6b) 壓迫力測試表(Compression Force Test Chart) (RTQm-7) X-ray Unit Brand/Model:_____
24、 (Frequency: Semi-Annual) Date Auto (11.4-20.4 kg) Manual (11.4-20.4 kg) Pass Fail Pass Fail
25、 Remarks Date Action 每季每半年乳房攝影品管清單 (RTQc-2) Quarterly/Semi-Annual Record of Check Year Month Date Initials
26、 Repeat Analysis Compression Auto Manual Manual Radiologist Review Physicist Review Comments:
27、 乳房攝影單元組件檢查表(Physical Inspection Chart) (MPQm-8) Site: Date: Equipment: X-ray unit manufacturer /Model : Mammographic Unit Assembly Evaluation Pass Fail 1 Free-standing unit is mechanically stable 2 All moving parts move smoo
28、thly, without obstructions to motion 3 All locks and detents work properly 4 Image receptor holder assembly is free from vibrations 5 Image receptor slides smoothly into holder assembly 6 Image receptor is held securely by assembly in any orientation 7 Compressed bre
29、ast thickness scale accurate to ±0.5 cm, reproducible to ±2mm 8 Patient or operator is not exposed to sharp or rough edges, or other hazards 9 Operator technique control charts are posted 10 Operator protected during exposure by adequate radiation shielding 11 All indicato
30、r lights working properly 12 Auto -decompression can be overridden to maintain compression (and status displayed) 13 Manual emergency compression release can be activated in the event of a power failure 14 Collimator Light >160 Lux 15 Compress Force 11.4-20.4kg Perfor
31、mance Criteria: The unit is stable. All mechanical movements should be smooth and normal. Lock and release mechanisms operate properly. Compression thickness display is accurate within 0.5cm of true value. Operator and patient safety are preserved during normal operation. All lights, indicators
32、 and audio signals function properly. Patient Surfaces are clean and free from of excessive wear. No errors are displayed on the unit Comments:
33、 暗雜訊評估表(Dark Noise Check Chart) (MPQm-9) Konica CR Reader型號:___________年份__________年 (實施頻率:每年) 影像板片匣編號 (IP#) Displayed 5000 S-Value 改善措施 Dark Noise 1 Dark Noise 2 Pass Fail Pass Fail
34、 Performance Criteria: The acquired image should di
35、splay an ‘S’ value of 5000. Comments: 殘影評估表(Ghost Image Evaluation Chart) (MPQm-10) kVP: mAs: Konica CR Reader型號:___________年份__________年 Phantom Model: (實施頻率:每年)
36、 影像板片匣編號 (IP#) Dark Noise2 無潛像(Y/N) Invisible Ghost Image 改善措施 Pass Fail
37、 Performance Criteria: The Dark Noise2 image should be free of any latent image. There should be no imaged object pattern recognizable from the erase 1 image present in the erase 2 image. Comments: 管電壓準確性與再現性評估(kVp Accuracy and Reproducibility Evaluation
38、Chart) (MPQm-11) kVp測量儀廠牌/型號:_____________________IP# (實施頻率:每年) Nominal kVp 設定 準則 Focal spot 大小 Exposure time(秒) mA mAs 測量kVp值: 1 2 3 4 平均kVp
39、 標準差(SD) % Error ≦±5% CV(SD/平均kV) ≦0.02 Additional kVp measurements (if needed) 5 6 7 8 9 10 Recalculated: 平均kVp 標準差(SD) 平均kVp-Nominal kVp 0.05 X Nominal kVp
40、 % Error ≦±5% CV(SD/平均kV) ≦0.02 Action Limit: If the mean kVp differs from the nominal by more than ±5% of the nominal kVp, or if the coefficient of variation exceeds 0.02, then seek service correction. 自動曝光控制效能評估表(AEC Performance
41、 Check Chart) (MPQm-12) AEC Sensor Position: Stability and Reproducibility Image Model: Small Receptor(Bucky) Focal Spot: Large mA: Phantom Thickness IP # AEC Model Target/Filter Density Control mAs
42、 mR S-Value Exposure 1 Exposure 2 Exposure 3 Exposure 4 Average SD CV Criteria: The coefficient of variation should be ≤ 5% for mAs and mR. Phantom Thickness IP # AEC Mode
43、l Target/Filter Density Control S-Value 2 cm 4cm 6cm Sav Smax-Smin Sv Sv=〔(Smax-Smin)/Sav〕x100% Criteria: Sv should be ≤ 20% Comment: 系系統假影評估表(System Artifact Evaluation Chart) (MPQm-13) Attenua
44、tor規格 : Attenuator厚度: kVp設定: Density control 設定: X光機廠牌:_______________________型號:________________年份 ______年 (實施頻率:每年) Image receptor size 18x24cm 24x30cm 陽極靶(Target) 濾片(Filter) 焦點(Focal spot) Film OD 有可見的Artifacts ?
45、 Hard Copy 洗片機? Hard Copy 印像機? 可接受的? 敘述 CR 影像板 可接受的? 敘述 X-ray儀器? 可接受的? 敘述 ACTION LIMIT: 如果假影足影響臨床影像診斷品質,則在未排除或改善以前該設備應停止使用, 並聯絡相關廠商處理。 影像板感光均勻度評估表(Image Plate Response Uniformity Che
46、ck Chart) kVp: (MPQm-14) Konica CR Reader型號:___________年份__________年 Phantom Model: (實施頻率:每年) IP # mAs OD S-Value ≦15% of S average 改善措施 Pass Fail
47、 Average Criteria: The reported S value of the individual images should be with in +
48、/- 15% from the mean value Comments: 影像顯示器品質管制表(Monitor Quality Control Chart) (MPQm-15) 廠牌:____________________型號:_______________________年份 ___________________年 (實施頻率:每年) Radiologist’s 影像顯示器 Monitor 1 Monitor 2 Monitor 3 Monitor 4
49、影像顯示器雜訊條紋 Y N Y N Y N Y N 影像顯示器閃爍 Y N Y N Y N Y N 影像顯示器陰影 Y N Y N Y N Y N 黑白對比可辨識 Y N Y N Y N Y N 0%小方形區5%灰階可辨識 Y N Y N Y N Y N 100%小方形區95%灰階可辨識 Y N Y N Y N Y N 最大亮度值符合廠商規格 Y N Y N Y N Y N 亮度理想值符合廠商規格 Y N Y N Y N Y N 原製造廠商QA程序執行 Pe
50、rformance criteria: 5% and 95% grayscale patches should be visible 印像機品質管制表(Printer Quality Control Chart) (MPQm-16) 廠牌:____________________型號:_______________________年份 ___________________年 (實施頻率:每年) 數值 Pass Fail 改善方法 最大光密度值(Dmax) 最小光密度值






