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Hereditary angioedema with recurrent abdominal pain
Avnish K Seth1, Velu Nair, Jasjit Singh
1Department of Gastroenterology, Command Hospital (East), Kolkata.
Summary
Hereditary angioedema, a rare disorder linked to C1 esterase inhibitor deficiency, was diagnosed in a family with recurrent swelling and pain. Treatment with danazol provided symptom relief for the index patient.
Area of Science:
- Immunology
- Genetics
- Rare Diseases
Background:
- Hereditary angioedema (HAE) is a rare genetic disorder.
- It results from a deficiency in complement C1 esterase inhibitor (C1-INH).
- C1-INH plays a crucial role in regulating the complement system and inflammatory pathways.
Observation:
- A family presented with recurrent episodes of angioedema and abdominal pain.
- Clinical symptoms suggested a potential diagnosis of hereditary angioedema.
- Affected family members underwent diagnostic evaluation.
Findings:
- Quantitative assay confirmed a deficiency in C1 esterase inhibitor.
- This confirmed the diagnosis of hereditary angioedema in the family.
- The index patient experienced symptom relief following treatment.
Implications:
- This case highlights the importance of recognizing HAE symptoms.
- Accurate diagnosis through C1 inhibitor assays is critical.
- Danazol can be an effective treatment option for managing HAE symptoms.