Hereditary angioedema with recurrent abdominal pain in a patient with a novel SERPING1 gene mutation: A case report

Figure 1 Imaging examinations. A: Abdominal ultrasound showing significant edema of the pelvic small intestine and ascending colon, and a moderate amount of ascites; B: Abdominal computed tomography scan showing significant edema of the pelvic small intestine and ascending colon, and a moderate amount of ascites.

Figure 2 Lower endoscopy showing edema in the terminal ileum.

Figure 3 Polymerase chain reaction/single-strand conformation polymorphism showing an abnormal band in exon 5 of SERPING1. Direct sequencing of exon 5 revealed a T frameshift mutation between bases 8490 and 8491.