Hypogammaglobulinemia factitia- Munchausen syndrome masquerading as common variable immune deficiency

Case report

Rohan Ameratunga^1*, Paul Casey², Susan Parry² and Chris Kenedi³⁴⁵

• *Corresponding author: Rohan Ameratunga rohana@adhb.govt.nz

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Allergy, Asthma & Clinical Immunology 2013, 9:36 doi:10.1186/1710-1492-9-36

Published: 17 September 2013

Abstract

Background

We describe the first case of a patient with factitious disorder who closely simulated a primary immune deficiency disorder – Common Variable Immune Deficiency (CVID), by surreptitiously ingesting non-steroidal anti-inflammatory agents.

Case description

He was treated with several expensive and potentially dangerous drugs before the diagnosis was established through collateral information. In retrospect he did not meet the proposed new criteria for CVID. These criteria may prove useful in distinguishing cases of CVID from secondary hypogammaglobulinemia.

Conclusion

It is imperative clinicians recognise patients with factitious disorder at the earliest opportunity to prevent iatrogenic morbidity and mortality.

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