유방암의 감시림프절 검사에서 유방크기와 체질량지수에 따른 검사시간 변화

• 영문명: The Variation of Scan Time According to Patientʼs Breast Size and Body Mass Index in Breast Sentinel lymphangiography
• 발행기관: 대한핵의학기술학회
• 저자명: 이다영(Da-Young Lee) 남궁혁(Hyuk Nam-Koong) 조석원(Seok-Won Cho) 오신현(Shin-Hyun Oh) 임한상 김재삼(Jae-Sam Kim) 이창호(Chang-Ho Lee) 박훈희(Hoon-Hee Park)
• 간행물 정보: 『핵의학기술』Vol.16 No.2, 62~67쪽, 전체 6쪽
• 주제분류: 의약학 > 방사선과학
• 파일형태: PDF
• 발행일자: 2012.10.30

영문 초록

Purpose : At this time, the sentinel lymph node mapping using radioisotope and blue dye is preceded for breast cancer patient’s sentinel lymph node biopsy. But all patients were applied the same protocol without consideration of physical specific character like the breast sizes and body mass indexes. The purpose of this study is search the optimized scan time in breast sentinel lymphangiography by observing how much the body mass index and breast size influence speed of lymphatic flow. Materials and Methods : The Object of this study was 100 breast cancer patients(Female, 100 persons, average age 50.34±10.26 years old)at Severance hospital from October 2011 to December 2011. They were scanned breast sentinel lymphangiography before operation. This study was performed on Forte dual heads gamma camera (Philips Medical Systems, Nederland B.V.). All patients were intra-dermal injected ⁹⁹ᵐTc-Phytate 18.5 MBq, 0.5 ml. For 80 patients, we have scanned without limitation of scan time until the lymphatic flow from the lymph node since injection. We measured how long the lymphatic flow time between departures from injects site and arrival to lymph node using stopwatch. After we calculated patient’s Body mass Index and classified as 4 groups. And we measured patient’s breast size and classified 3 groups. The modified breast lymphangiography that changing scan time according to comparison study’s result was performed on 20 patients and was estimated. Results : The mean scan time as breast size was A group 2.48 minutes, B group 7.69 minutes, C group 10.43 minutes. The mean scan time as body mass index was under weight 1.35 minutes, normal weight 2.56 minutes, slightly over 5.62 minutes, over weighted 5.62 minutes. The success rate of modified breast lymphangiography was 85%. Conclusion : As the Body mass index became higher and breast size became bigger, the total scan time is increased. Based on the obtained information, we designed modified breast lymphangiography protocol. At the cases applying that protocol, most of sentinel lymph nodes were visualized as lymphatic pool. In conclusion, we found that the more success rate in modified protocol considering physical individuality than study carrying out in the same protocol.

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키워드

Breast cancer Sentinel Lymphangiography Breast size Body Mass Index