Angioedema: hereditary or C1-inhibitor deficiency associated with systemic lupus erythematosus?

"Angioedema: hereditary or C1-inhibitor deficiency associated with systemic lupus erythematosus?." Scandinavian Journal of Rheumatology, ahead-of-print(ahead-of-print), pp. 1–2 AcknowledgementThe authors would like to thank Dr Takahiko Horiuchi from Department of Internal Medicine, Kyushu University Beppu Hospital, for the genetic analysis of C1-INH.Disclosure statementDr Michihiro Kono has received purified C1-inhibitor (Berinert®) from CSL Behring for research use. No potential conflicts of interest were reported by the remaining authors.EthicsThis study was approved by the ethics committee of Hokkaido University Hospital (Sapporo, Japan), and informed consent was obtained from the patient (permission number: 012-0294).Additional informationFundingNo specific funding was received to carry out the work described in this article.