Home HOME Neoplasma 2004 Neoplasma Vol.51, p.44-48, 2004

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Founded: 1954
ISSN 0028-2685
ISSN 1338-4317 (online)

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Neoplasma Vol.51, p.44-48, 2004

Title: Detection of the sentinel node in breast carcinoma using method of a single subcutaneous injection of radiopharmaceutical

Abstract: The objective of this work is retrospective evaluation of results of the intraoperative detection of sentinel node in breast carcinoma after a single subcutaneous injection of radiopharmaceutical (RF) within a two-day protocol. From May/2001 to June/2002, lymphoscintigraphy of the sentinel node (SN) and its subsequent radioguided intraoperative detection (RGS) was performed in 43 women having stage T1--T2, N0 breast carcinoma. The static scans in the anterior and relevant lateral projections were performed using a gamma camera at approximately 30-minute intervals after the subcutaneous administration of 15 MBq 99mTc Senti-Scint, until the SN was displayed. The localization of the SN was marked on the overlying skin with a water-resistant permanent marker in 1--2 projections. RGS was accessed within 18-- 24 hours after the injection of the RF and all patients underwent an axillary dissection. The SN was detected in all patients, and in all cases was localized in the ipsilateral axilla. In 26 patients (60%), no metastatic process was found either in the SN or in any other axillary node. However, in one node, deposits of the carcinoma were detected in surrounding fatty tissue with propagation along the vessels and nerve. In 16 patients (37%), metastases in the SN were proved, in 7 cases (16%), a metastatic process was proved at the same time even in further lymph nodes. A number of false negative findings (5.8%) is consistent with the literature data. The method fails in the detection of intramammary localized SNs.

Keywords: sentinel node, breast carcinoma, lymphoscintigraphy, Technetium- 99m Senti-Scint, intra-operative gamma probe
Year: 2004, Volume: 51, Issue: Page From: 44, Page To: 48

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