Ontology highlight
ABSTRACT: Rationale
Hereditary angioedema (HAE) is a rare genetic disorder caused by C1 esterase inhibitor (C1-INH) deficiency or dysfunction. Presentation with isolated abdominal pain is uncommon, often leading to diagnostic delays and inadequate pain management. Effective pain control is essential to improve patient comfort and prevent complications.Patient concerns
A 21-year-old male with type II HAE presented exclusively with recurrent severe abdominal pain and experienced a transient loss of consciousness attributed to a pain-induced vagal reflex.Diagnoses
Diagnosis of type II HAE was confirmed based on clinical presentation, laboratory findings of C1-INH dysfunction, and exclusion of other causes of abdominal pain.Interventions
The patient received multidiscipli
SUBMITTER: Li X
PROVIDER: S-EPMC12851712 | biostudies-literature | 2026 Jan
REPOSITORIES: biostudies-literature