Short answer · Medically reviewed summary · Last updated: 2026-04-07
Hyper IgE Syndrome (HIES), also known as Job syndrome, is diagnosed through a combination of clinical assessment, elevated serum IgE levels, and targeted genetic testing to identify mutations in genes such as STAT3 or DOCK8. The Diagnostic Process The journey to diagnosing Hyper IgE Syndrome often begins with a clinical suspicion based on the "classic triad" of recurrent skin abscesses, pneumonia (often leading to pneumatoceles), and significantly elevated serum IgE levels. Because this is a rare, multi-system disorder, patients often experience a frustrating "diagnostic odyssey," sometimes waiting years for a correct diagnosis as symptoms are frequently mistaken for severe eczema or common bacterial infections. Key Examinations and Criteria Clinicians typically use the NIH HIES scoring system to evaluate clinical features, which include skeletal abnormalities (such as retained primary teeth or scoliosis) and facial features.
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How is Hyper IgE Syndrome diagnosed?
How Hyper IgE Syndrome is diagnosed: tests, specialists and the diagnostic journey, told by patients and reviewed against medical sources.
Hyper IgE Syndrome (HIES), also known as Job syndrome, is diagnosed through a combination of clinical assessment, elevated serum IgE levels, and targeted genetic testing to identify mutations in genes such as STAT3 or DOCK8.
The Diagnostic Process
The journey to diagnosing Hyper IgE Syndrome often begins with a clinical suspicion based on the "classic triad" of recurrent skin abscesses, pneumonia (often leading to pneumatoceles), and significantly elevated serum IgE levels. Because this is a rare, multi-system disorder, patients often experience a frustrating "diagnostic odyssey," sometimes waiting years for a correct diagnosis as symptoms are frequently mistaken for severe eczema or common bacterial infections.
Key Examinations and Criteria
Clinicians typically use the NIH HIES scoring system to evaluate clinical features, which include skeletal abnormalities (such as retained primary teeth or scoliosis) and facial features. Diagnostic confirmation involves:
- Laboratory Testing: Measurement of serum IgE levels, which are typically very high (>2,000 IU/mL in many cases).
- Genetic Testing: Molecular confirmation via sequencing of the STAT3 gene (associated with autosomal dominant HIES) or DOCK8 gene (associated with autosomal recessive HIES).
- Imaging: Chest X-rays or CT scans to identify characteristic lung pneumatoceles or bronchiectasis.
Specialized Care
Diagnosis is usually made by a clinical immunologist or an allergist. If your primary care provider is unfamiliar with Hyper IgE Syndrome, it is vital to seek a referral to a tertiary academic medical center. We validate the immense frustration you may feel; being dismissed by doctors when you know something is wrong is a heavy burden. Differential diagnoses, such as severe atopic dermatitis, chronic granulomatous disease, or cystic fibrosis, must be carefully ruled out by a specialist who understands the nuances of primary immunodeficiencies.
Medical Disclaimer: This information is for educational purposes and does not replace professional medical advice, diagnosis, or treatment. Always consult with your healthcare team regarding your specific clinical situation.
References
- NIH Genetic and Rare Diseases Information Center (GARD): Hyper IgE Syndrome
- Orphanet: Autosomal dominant hyper-IgE syndrome
- OMIM (Online Mendelian Inheritance in Man): Hyper-IgE recurrent infection syndrome
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Posted May 8, 2017 by Gina Harla 2515
