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Sentinel Lymph Nodes Identification in Vulvar Cancer - Methods and Technique


Authors: L. Rob 1;  H. Robová 1;  M. Pluta 1;  P. Strnad 1;  J. Kačírek 1;  R. Chmel 1;  L. Teslík 1;  P. Škapa 2;  K. Táborská 3
Authors‘ workplace: Gynekologicko-porodnická klinika 2. LF UK a Fakultní nemocnice Motol, Praha, přednosta doc. MUDr. L. Rob, CSc. 1;  Ústav patologie a molekulární medicíny 2. LF UK a Fakultní nemocnice Motol, Praha, přednosta prof. MUDr. R. Kodet, CSc. 2;  Ústav endokrinologie a nukleární medicíny 2. LF UK a Fakultní nemocnice Motol, Praha, přednosta doc. MUDr. P. Vlček, CSc. 3
Published in: Ceska Gynekol 2006; 71(4): 298-301
Category: Original Article

Overview

Objective:
To evaluate detection of sentinel lymph nodes (SLN) in squamous vulvar cancer with blue dye and 99mTc. The study describes technique of application, timing, management, detection rate (DR), specific side detection rate (SSDR) and false negative rate.

Design:
Prospective clinical study.

Setting:
Department of Obstetrics and Gynecology, Charles University Prague, 2nd Medical Faculty, Teaching Hospital Motol.

Patients and methods:
46 women with squamous cell carcinoma tumors stage I or II, <4 cm with no clinical suspect lymph nodes were included. Blue dye alone was used in 16 women and the combination of 99mTc and blue dye was used in 30 women. Radiocoloid 99mTc was applied 3-5 hours and blue dye 3-5 minutes prior to ingvinal incision.

Results:
We detected 88 SLN in 61 inguinal spaces. The detection rate in the blue dye group was 68.8 % (11 cases). One false negative SLN (6.3 %) appeared in this group. In blue dye+ 99mTc group detection rate was 100 % with no false negative SLN.

Conclusion:
Detection of SLN in squamous vulvar cancer with the combination of 99mTc and blue dye was statistically significantly more effective than using the blue dye alone.

Key words:
vulvar cancer, sentinel lymph node, technetium 99mTc, blue dye, lymphadenectomy


Labels
Paediatric gynaecology Gynaecology and obstetrics Reproduction medicine

Article was published in

Czech Gynaecology

Issue 4

2006 Issue 4

Most read in this issue
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