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. 2021 Aug 19;13(16):4167. doi: 10.3390/cancers13164167

Figure 1.

Figure 1

Affected lymph node tattooed with carbon black and sentinel lymph node (A) Intraoperative picture of surgical field of axilla- black pigment and blue dye overlap in large areas but blue dyed efferent lymphatic vessels demonstrate the presence of sentinel node. (B) Handheld probe confirmation of the “hot” sentinel node. (C) Macroscopic appearance of the tattooed lymph node. (D) Microscopic findings of tattooed lymph node with extended areas of black pigment granules in the cortex (Hematoxylin and eosin staining, magnification ×25). From Park et al. [21]. Feasibility of Charcoal Tattooing of Cytology-Proven Metastatic Axillary Lymph Node at Diagnosis and Sentinel Lymph Node Biopsy after Neoadjuvant Chemotherapy in Breast Cancer Patients. Cancer Res. Treat. 2018, 50, 801–812. (Copyright obtained from the Creative Commons under license NC 4.0).