Tongue necrosis in anti-neutrophil myeloperoxidase antibody-associated vasculitis.

"Disclosure statement: P.K. has received honoraria or travel support from Abbvie, Amgen, AstraZeneca, Boehringer Ingelheim, Bristol-Myers-Squibb, Chugai, Galapagos, GlaxoSmithKline, Janssen-Cilag, Lilly, Novartis and Pfizer, all unrelated to this paper. P.K. has received research support from GlaxoSmithKline and Diamed Medizintechnik GmbH, all unrelated to this paper. B.T. has received research grants from Evotec SE and CSL Vifor, all unrelated to this paper. B.T. has received honoraria or travel support from CSL Vifor, all unrelated to this paper. The other authors have declared no conflicts of interest."

"Funding No specific funding was received from any bodies in the public, commercial or not-for-profit sectors to carry out the work described in this article. Disclosure statement: P.K. has received honoraria or travel support from Abbvie, Amgen, AstraZeneca, Boehringer Ingelheim, Bristol-Myers-Squibb, Chugai, Galapagos, GlaxoSmithKline, Janssen-Cilag, Lilly, Novartis and Pfizer, all unrelated to this paper. P.K. has received research support from GlaxoSmithKline and Diamed Medizintechnik GmbH, all unrelated to this paper. B.T. has received research grants from Evotec SE and CSL Vifor, all unrelated to this paper. B.T. has received honoraria or travel support from CSL Vifor, all unrelated to this paper. The other authors have declared no conflicts of interest. Ethics approval: The study was conducted according to the guidelines of the Declaration of Helsinki, and approval by the Institutional Review Board was not required for reporting individual case reports. Consent: The case described does not contain any information on the identity of the patient. Written informed consent to publish this report was obtained directly from the patient."