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International Journal of Clinical Oncology

Published in:

01-06-2014 | Original Article

Usefulness of CT-lymphography in sentinel lymph node navigation

Authors: Masato Yasuta, Suguru Sato, Tomokazu Ishida, Takahiro Kiyohara

Published in: International Journal of Clinical Oncology | Issue 3/2014

Abstract

Background

There are many methods for sentinel lymph node (SLN) navigation. The methods using radioisotopes and blue dyes are performed mainly for the identification of SLN. Our current method for SLN biopsy is a combination of three techniques with 99mTc-phytate, patent blue V dye, and preoperative CT-lymphography (CTLG).

Patients and methods

Iomeprol (Iomeron^®) as a water-soluble contrast agent is diluted twofold with 1 % lidocaine and intradermally injected into a few sites (2–5 ml at each site) around the tumor. After the injection, CT imaging is performed using a 64-row MDCT system (Siemens SOMATOM Definition AS+). We performed CTLG in 34 patients (16 men, 18 women) between September 2008 and March 2013.

Results

CTLG clearly visualized the SLN and the lymphatic drainage in 21 out of 34 patients.

Conclusions

We can detect the SLN and lymphatic flow near to tumors without shine-through effect, especially in the head and neck regions. It is thought that CTLG may be useful to determine the range of lymph node dissection.

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Title: Usefulness of CT-lymphography in sentinel lymph node navigation
Authors: Masato Yasuta
Suguru Sato
Tomokazu Ishida
Takahiro Kiyohara
Publication date: 01-06-2014
Publisher: Springer Japan
Published in: International Journal of Clinical Oncology / Issue 3/2014
Print ISSN: 1341-9625
Electronic ISSN: 1437-7772
DOI: https://doi.org/10.1007/s10147-013-0582-1

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Abstract

Background

Patients and methods

Results

Conclusions

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