A Case of Angioedema Due to Acquired C1 Esterase Inhibitor Deficiency Masquerading as Suspected Peritonitis: A Case Report

Hong, Sung-Ho; Kim, Cheol-Woo; Kim, Ji Hye; Kim, Jun Sig; Han, Seung Baik

doi:10.1016/j.jemermed.2008.04.004

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2021

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“…13 Bin Hong et al (2013) report a similar case in a 21-year-old man who was again diagnosed with HAE following CT imaging. 14 These cases describe mostly young patients investigated with CT during what would later be found to be acute flares of HAE, and there are reported cases of patients undergoing diagnostic laparoscopy and gastroscopy before being diagnosed. If readily available, MRI would be favourable as an initial cross-sectional imaging modality during acute attacks to avoid the risks of ionising radiation.…”

Section: Case Reportmentioning

confidence: 99%

Abdominal hereditary angio-oedema caught on magnetic resonance imaging

et al. 2021

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A 17-year-old woman presented with a 3-year history of recurrent, severe abdominal pain with spontaneous resolution within a few days. An ultrasound revealed nothing more than free fluid within the pelvis. An MRI of the small bowel was done within 24 hours of abdominal pain onset, which revealed extensive submucosal oedema associated with moderate volume ascites. A repeat MRI of the small bowel after 72 hours showed near-complete resolution of these changes. Checking C1 inhibitor levels confirmed a diagnosis of hereditary angio-oedema with an abdominal presentation. This is a rare cause of recurrent abdominal pain and, to our knowledge, the first case in which MR images have been obtained during and after an acute attack.

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Section: Case Reportmentioning

confidence: 99%