Single slice helical CT CT 1 2005 1 4
1. CT Anti-Lung Cancer Association: ALCA 1-5) 1993 9 10 ALCA (Nawa 6) ) single slice helical CT 10mm CT 2. 1 (http://www.thoracic-ctscreening.org/jpn/index.html ) Single slice CT 120kVp 50mA, 20mm/ 10mm CT WW: 1000~2000HU, WL: -500~ -700HU CT 5mm thin-section CT (TS-CT) pure ground-glass opacity:
pure GGO 7 mixed GGO solid nodule ALCA TS-CT 120kVp, 250mA, 2mm, 2mm/ / 2mm TS-CT 10mm pure GGO solid nodule Mixed GGO 8)9) Pure GGO solid nodule TS-CT 5mm 10mm CT TS-CT CT 5mm 10mm pure GGO, 6 2 TS-CT 1) 2) 12 3 TS-CT 3) 12 CT 3 TS-CT 12 TS- CT 5mm 10mm solid nodule, 3 2 TS-CT 1) 2) 3 3 TS-CT 3) 12 CT 3 TS-CT 6 TS-CT 24 12 CT CT Henschke 8) pure GGO nonsolid nodule mixed GGO part solid nodule
3. 1) Pure GGO A 1: CT 2:thin-section CT
2) Pure GGO A 3: CT S 3 4:thin-section CT
5:thin-section CT 1 6:thin-section CT 2 5
3) Mixed GGO C 7: CT 8:thin-section CT
4) Mixed GGO B 9: CT 10:thin-section CT 9mm
11:thin-section CT 6 12mm 5) Mixed GGO B 12:thin-section CT: 8X6mm
13:thin-section CT: 3 14:thin-section CT: 6
15:thin-section CT: 12 10mm VATS B 6) Solid nodule C 16: thin-section CT S 2 8mm
17:1 thin-section CT 18:1 thin-section CT (12mm)
7) Solid nodule 19: thin-section CT S 5 5mm 20: thin-section CT
21:7 thin-section CT 22:1 5 thin-section CT 8mm
4. CT 10) PET 11) decision tree Pure GGO 10mm 12)13) Mixed GGO pure GGO solid nodule TS-CT TS-CT 1. Kaneko M, et al: Peripheral lung cancer; screening and detection with low-dose spiral CT versus radiography. Radiology; 201:798-802 1996 2. Sobue T, et al: Screening for lung cancer with low-dose helical computed tomography: Anti-Lung Cancer Association Project. J Clin Oncol 20:911-920, 2002 3. CT. 61:S159-S165, 2002 4. Helical CT. 35: 730-735 2003 5.. CT 10: 221-226, 2004. 6. Nawa T, et al: Lung cancer screening using low-dose spiral CT: results of baseline and 1-year follow-up studies. Chest 122:15-20; 2002.
7. Austin JH, et al: Glossary of terms for CT of the lungs: recommendations of the Nomenclature Committee of the Fleischner Society. Radiology 200:327-31, 1996. 8. Henschke CI, et al: CT screening for lung cancer: frequency and significance of partsolid and nonsolid nodules. AJR 178:1053-1057, 2002 9. Nakata M, et al: Prospective study of thoracoscopic limited resection for groundglass opacity selected by computed tomography. Ann Thorac Surg 75:1601-1606, 2003 10. Swensen SJ, et al: Screening for lung cancer with low-dose spiral computed tomography. Am J Respir Crit Care Med 165:508-513, 2002; 11. Pastorino U, et al: Early lung-cancer detection with spiral CT and positron emission tomography in heavy smokers: 2-year results. Lancet 362:593-597, 2003 12. Kodam K, et al: Natural history of pure ground-glass opacity after long-term followup of more than 2 years. Ann Thorac Surg. 73:386-392, 2002. 13. Kakinuma R, et al: Progression of focal pure ground-glass opacity detected by lowdose helical CT screening for lung cancer. J Comput Assist Tomogr 28:17-23, 2004.