Breast cancer is the most common cancer of women. Surgery for early breast cancer includes axillary lymph nodes staging. Axillary surgery may lead to intractable complications like permanent arm swelling. Axillary sentinel lymph node biopsy (SLNB) has been introduced to minimize the incidence of these complications. Several methods are routinely used for identification of the sentinel node during operation. Some of these methods necessitate facilities that are not universally available; specially in countries with limited resources. In its simplest form, SLNB using the methylene blue dye technique has an identification rate of 88-94%. If the sentinel node can not be identified, full axillary dissection may be required and the risk of arm swelling is increased. The objective of this study is to maximize the identification rate of the sentinel node thus avoiding the need for extensive axillary surgery. The investigators assumed that preoperative tattooing of the suspicious lymph node during ultrasonographical imaging may help the surgeon in localizing the sentinel lymph node. In this study, the sonographer will perform preoperative tattooing of the suspicious node. The surgeon will perform SLNB by the methylene blue dye. The sensitivity of ultrasonographical tattooing relative to SLNB will be calculated. The study will determine if the tattooing technique may localize additional nodes that are missed by the methylene blue.
Age range
18 Years
Sex
FEMALE
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Sensitivity of ultrasonographical tattooing
Timeframe: at the date of surgery.
Identification benefit of the ultrasonographical tattooing.
Timeframe: at the date of surgery.