Nine year follow-up of a rare case of angioedema due to acquired C1-inhibitor deficiency with late onset and good response to attenuated androgen

Table 1 Laboratory tests for positive and differential diagnosis

Date	Laboratory tests	Other investigations
2008	ANA—negative Anticardiolipin antibody—normal Rheumatoid factor—normal	Colonoscopy—diverticulitis Mammography—normal Skin prick test—normal
2009	Serum diamineoxidase (DAO)—normal	Stop ACEI
2010	HBsAg, HCV-Ac—negative	Laparoscopic cholecystectomy
2011	CA 15.3, CA19.9, CEA—normal Papanicolau test—negative
2012	C1q—normal Papanicolau test—negative
2013	HBsAg, HCV-Ac—negative Serology for parasitic infectious—negative Total serum IgE and food specific IgE—normal DAO—normal CA 125—normal Anti-dsDNA—negative Electrophoresis and immunoelectrophoresis—normal Tryptase—normal
2014	Complete blood count and biochemistry—normal CA15.3, CA19.9, CA 125, CEA—normal C1q—normal ANA—negative Anti-dsDNA—negative C3-normal Acute phase reactants—normal Rheumatoid factor—negative Thyroid profile—normal Lipid profile—normal LDH—normal	Full body CT—normal Bone marrow—normal

ISSN: 1710-1492