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Sentinel Lymph Node Detection in Patients with Early-Stage Breast Cancer: Comparison of Periareolar and Subdermal/Peritumoral Injection Techniques

¹ Dottorato di Ricerca Radioimmunolocalizzazione dei Tumori Umani, Università Torino, Torino, Italy
² Servizio di Medicina Nucleare Universitario, Ospedale S. Giovanni Battista, Torino, Italy
³ Reparto di Chirurgia Oncologica 10, Ospedale S. Giovanni Battista, Torino, Italy

View larger version (103K): [in a new window]   FIGURE 1. PA injection technique. The tracer is injected subdermally as a single aliquot at the PA site at the corresponding level of the tumor.

View larger version (37K): [in a new window]   FIGURE 2. Early lymphoscintigraphy images. Periareolar injection site (i.s.) and an axillary SLN are imaged after PA injection. Anterior (A) and lateral (B) views are shown.

View larger version (14K): [in a new window]   FIGURE 3. SLN identification rates with the PA and SD/PT injection techniques.