Immediate dynamic lymphoscintigraphy delivers no additional value to lymphoscintigraphy 3 hr after tracer injection in sentinel lymph node biopsy in breast cancer patients

Autor: Mirjam Vrieling, M.H. Edwina Doting, Harald J. Hoekstra, Clara Lemstra, Lianne Rietman, Jakob de Vries, H.M. Annemiek Stiekema, Pieter L. Jager
Rok vydání: 2006
Předmět:
Zdroj: Journal of Surgical Oncology, 95(6), 469-475. Wiley
ISSN: 0022-4790
Popis: Objective: Immediate dynamic imaging enables accurate definition of sentinel lymph nodes, whereas imaging, 3 hr after tracer injection may lead to overestimation of the number of sentinel lymph nodes. A study was performed to define the value of lymphoscintigraphy immediately versus 3 hr after tracer injection in sentinel lymph node biopsy for breast cancer management.Methods: In 165 sentinel lymph node biopsy procedures preoperative immediate and 3 hr post-injection lymphoscintigraphy was performed after intraparenchymal tracer administration.Results: Lymph node visualization occurred in 63 immediate procedures (38%) versus in 163 procedures 3 hr post-injection (99%). In 17 procedures (10%) in which immediate lymphoscintigraphy had visualized sentinel lymph nodes, additional nodes had been seen on 3 hr post-injection lymphoscintigraphy. In eight of these procedures (5%) all nodes were detected in the same draining lymph node basin. Non-axillary sentinel lymph nodes were identified by preoperative lymphoscintigraphy in 28 procedures (17%) and improved staging in three patients (5%).Conclusion: The only impact of immediate lymphoscintigraphy was the possible omission of removal of 1-2 sec-echelon nodes per patient in 5% of patients. We consider this yield too low to continue immediate lymphoscintigraphy in breast cancer patients. J. Surg. Oncol. 2007;95:469-475. (C) 2006 Wiley-Liss, Inc.
Databáze: OpenAIRE