LDCT Quality:
Good Acceptable Not Acceptable
CTDIvol: mGy Total DLP: mGy*cm In comparison with the prior CT, Date (Y)/ (M)/ (D) No prior chest CT available
Lung nodule findings related to cancer screening
Insignificant ( <6 mm) lung nodule or the nodule is definitely benign (including perifissural nodule(s) <10 mm) (“早期肺癌”可能以“非特異性微小結節”潛伏存在數年的時間而沒有臨床上有意義的腫瘤增長,考量不必要引起受檢者無謂的驚慌,定期追蹤這類結節是目前安全的策略,或您可與您的醫師討論。)
Significant (≧6 mm) nodule: total number
1 2 3 ≧4, and described as followings:
Lung nodules else
Other Lung Findings
Emphysema
Bronchiectasis
Bronchitis/bronchiolitis
Tree-in-bud pattern
Centrilobular nodules
Other Findings
Enlarged lymph nodes, location Coronary artery calcification Other significant abnormal chest findings Other significant abnormal abdominal or neck findings in this chest CT scan
1.所有的結節均須在lung window下測量 2.結節的定義為圓形陰影,最大可達30 mm 3.結節的尺寸測量若為圓形,可直接測最長徑,若非圓形則須測量最長徑與垂直最長徑之短徑總和之平均(平均直徑)至小數點下一位 4.完全鈣化之結節為典型良性可不敘述 5.結節變大之定義為>1.5 mm 6.新增結節之定義為新出現≧4 mm之結節 7.多發性結節則以最大徑或臨床最懷疑之結節為追蹤原則(同單一肺結節) Overall recommendation
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