Ultrasound-guided core needle biopsy of superficial lymph nodes: an alternative to fine-needle aspiration cytology for the diagnosis of lymph node metastasis in cutaneous melanoma.

To investigate the diagnostic value of ultrasound-guided core needle biopsy (US-CNB) in suspected cases of lymph node metastasis from cutaneous melanoma. All patients with cutaneous melanoma followed in Saint-Louis Hospital between 2006 and 2010 who underwent US-CNB for suspicion of melanoma lymph n