Patient has been diagnosed with cancer in the skin (melanoma), breast or head \& neck (including melanoma of head and neck area)
In case of a melanoma: it should be located in the limbs or head and neck area
Scheduled for a surgical SN procedure at the NKI-AvL
Patient provides written informed consent
You may not be if
Pregnancy
Any known clinically significant acute hypersensitivity reaction to the study medication, such as eggs or egg products
Other contra-indications for Sonazoid contrast agent, including arteriovenous cardiac or pulmonary shunt, serious coronary arterial disease and serious pulmonary disease
