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Figure 1

From: Contribution of dynamic sentinel lymphoscintigraphy images to the diagnosis of patients with malignant skin neoplasms in the upper and lower extremities

Figure 1

Diagrams of the rules for the sentinel lymph node (SLN) assessment. a) First hot spot thought to be a lymph node (LN) visualized along a lymphatic channel from the primary tumor site was considered a SLN, regardless of injection site. b) Second hot spot visualized along the same lymph channel was considered a second echelon lymph node. c) If the SLN and second echelon LN existed in the same site, both regarded as SLNs.

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