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EJNMMI Research
Fig. 1 | EJNMMI Research

Fig. 1

From: Feasibility of radioguided occult lesion localization of clip-marked lymph nodes for tailored axillary treatment in breast cancer patients treated with neoadjuvant systemic therapy

Fig. 1

Axillary ultrasound images of a patient with a proven tumor-positive lymph node prior to neoadjuvant systemic treatment (NST). a A needle was inserted in the sonographically hypoechoic axillary lymph node to place an O-twistmarker (white arrow) inside (b). After NST (c), the O-twistmarker was located and a needle was inserted in the lymph node that was no longer suspicious on ultrasound. d After injection of 0.2 ml Tc-99m-MAA, a hypoechoic lymph node was observed. Histopathological assessment showed that this node was converted into a node-negative status

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