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  1. Article

    First Identified Case of Fatal Fulminant Necrotizing Eosinophilic Myocarditis Following the Initial Dose of the Pfizer-BioNTech mRNA COVID-19 Vaccine (BNT162b2, Comirnaty): an Extremely Rare Idiosyncratic Hypersensitivity Reaction

    Transient myopericarditis has been recognised as an uncommon and usually mild adverse event predominantly linked to mRNA-based COVID-19 vaccines. These have mostly occurred in young males after the second dose...

    Rohan Ameratunga, See-Tarn Woon, Mary N. Sheppard in Journal of Clinical Immunology (2022)

  2. No Access

    Article

    Comparison of Diagnostic Criteria for Common Variable Immunodeficiency Disorders (CVID) in the New Zealand CVID Cohort Study

    Common variable immunodeficiency disorders (CVID) are the most frequent symptomatic primary immune deficiencies in adults and children. In addition to recurrent and severe infections, patients with CVID are su...

    Rohan Ameratunga, Hilary Longhurst in Clinical Reviews in Allergy & Immunology (2021)

  3. No Access

    Article

    Perspective: Application of the American College of Medical Genetics Variant Interpretation Criteria to Common Variable Immunodeficiency Disorders

    Common variable immunodeficiency disorders (CVIDs) are rare primary immunodeficiency diseases (PIDs) mostly associated with late onset antibody failure leading to immune system failure. Patients with CVID are ...

    Rohan Ameratunga, Caroline Allan, Klaus Lehnert in Clinical Reviews in Allergy & Immunology (2021)

  4. No Access

    Chapter

    Common Variable Immunodeficiency-Like Disorders

    In contrast to their name, common variable immunodeficiency (CVID) disorders are rare primary immune deficiencies (PIDs). Patients with CVID experience immune system failure consequent to late-onset antibody f...

    Rohan Ameratunga, Caroline Allan, See-Tarn Woon in Primary and Secondary Immunodeficiency (2021)

  5. No Access

    Article

    Perspective: Evolving Concepts in the Diagnosis and Understanding of Common Variable Immunodeficiency Disorders (CVID)

    Common variable immunodeficiency disorders (CVID) are the most frequent symptomatic primary immune deficiency in adults. At this time, the causes of these conditions are unknown. Patients with CVID experience ...

    Rohan Ameratunga, See-Tarn Woon in Clinical Reviews in Allergy & Immunology (2020)

  6. Article

    Open Access

    The critical role of histology in distinguishing sarcoidosis from common variable immunodeficiency disorder (CVID) in a patient with hypogammaglobulinemia

    Common variable immunodeficiency disorders (CVID) are a rare group of primary immune defects, where the underlying cause is unknown. Approximately 10–20% of patients with typical CVID have a granulomatous vari...

    Rohan Ameratunga, Yeri Ahn, Dominic Tse in Allergy, Asthma & Clinical Immunology (2019)

  7. No Access

    Article

    Review: Diagnosing Common Variable Immunodeficiency Disorder in the Era of Genome Sequencing

    Common variable immunodeficiency disorders (CVID) are an enigmatic group of often heritable conditions, which may manifest for the first time in early childhood or as late as the eighth decade of life. In the ...

    Rohan Ameratunga, Klaus Lehnert, See-Tarn Woon in Clinical Reviews in Allergy & Immunology (2018)

  8. Article

    Open Access

    Comprehensive genetic testing for primary immunodeficiency disorders in a tertiary hospital: 10-year experience in Auckland, New Zealand

    New Zealand is a developed geographically isolated country in the South Pacific with a population of 4.4 million. Genetic diagnosis is the standard of care for most patients with primary immunodeficiency disor...

    See-Tarn Woon, Rohan Ameratunga in Allergy, Asthma & Clinical Immunology (2016)

  9. No Access

    Article

    Profound Reversible Hypogammaglobulinemia Caused by Celiac Disease in the Absence of Protein Losing Enteropathy

    When patients with hypogammaglobulinemia are encountered, a vigorous search should be undertaken for secondary treatable causes. Here we describe the first case of a patient with severe asymptomatic hypogammag...

    Rohan Ameratunga, Russell William Barker in Journal of Clinical Immunology (2015)

  10. No Access

    Article

    Identification of Germinal Centres in the Lymph Node of a Patient with Hyperimmunoglobulin M Syndrome Associated with Congenital Rubella

    The hyper immunoglobulin M syndrome (HIM) associated with congenital rubella infection (rHIM) is an extremely rare disorder, where patients have elevated serum IgM in association with reduced IgG and IgA. We h...

    Rohan Ameratunga, Chun-Jen J. Chen, Wikke Koopmans in Journal of Clinical Immunology (2014)

  11. No Access

    Article

    Clinical Variability of Family Members with the C104R Mutation in Transmembrane Activator and Calcium Modulator and Cyclophilin Ligand Interactor (TACI)

    Common Variable Immunodeficiency Disorder (CVID) is a complex disorder that predisposes patients to recurrent and severe infections. The C104R mutation in the transmembrane activator and calcium modulator and ...

    Wikke Koopmans, See-Tarn Woon, Anna E. S. Brooks in Journal of Clinical Immunology (2013)

  12. Article

    Open Access

    Anaphylaxis to hyperallergenic functional foods

    Food allergy can cause life threatening reactions. Currently, patients with severe food allergy are advised to avoid foods which provoke allergic reactions. This has become increasingly difficult as food prote...

    Rohan Ameratunga, See-Tarn Woon in Allergy, Asthma & Clinical Immunology (2010)

  13. Article

    Open Access

    The clinical utility of molecular diagnostic testing for primary immune deficiency disorders: a case based review

    Primary immune deficiency disorders (PIDs) are a group of diseases associated with a genetic predisposition to recurrent infections, malignancy, autoimmunity and allergy. The molecular basis of many of these d...

    Rohan Ameratunga, See-Tarn Woon, Katherine Neas in Allergy, Asthma & Clinical Immunology (2010)

  14. Article

    Open Access

    Cellular and Molecular Characterisation of the Hyper Immunoglobulin M Syndrome Associated with Congenital Rubella Infection

    The hyper-immunoglobulin M syndrome (HIM) is a rare group of immune deficiency disorders characterised by normal or increased serum IgM with normal or reduced IgG, IgA and IgE.

    Rohan Ameratunga, See-Tarn Woon, Wikke Koopmans in Journal of Clinical Immunology (2009)