Ayumi Tamura

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We report a 55-year-old Japanese patient with a malignant blue nevus (MBN) on the scalp. The patient had regional lymph nodes metastases at his first visit, and a distant cutaneous metastatic papule appeared on the back 1 year later despite therapeutic intervention. Histology of the primary tumor lacked a junctional component and showed a typically biphasic(More)
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