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MTD has received honoraria from Alexion and support for meeting registration and travel from Amgen. SM has received honoraria from Alexion and support for meeting registration and travel from Amgen. BK, RT, and ME declare that they have no competing interests.","order":1,"name":"Ethics","label":"Conflict of interest","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments.","order":2,"name":"Ethics","label":"Ethical approval","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Written informed consent was obtained from both patients for publication of this case report and the accompanying images.","order":3,"name":"Ethics","label":"Informed consent","group":{"name":"EthicsHeading","label":"Declarations"}}],"article-number":"145"}}