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The 10 warning signs: a time for a change?

O'Sullivan, Michael D.; Cant, Andrew J.

Current Opinion in Allergy and Clinical Immunology: December 2012 - Volume 12 - Issue 6 - p 588–594
doi: 10.1097/ACI.0b013e3283591534
PRIMARY IMMUNE DEFICIENCY DISEASE: Edited by Amos Etzioni and Ramsey L. Fuleihan

Purpose of review It is 20 years since the 10 Warning Signs of primary immunodeficiency (PID) were first published and with over 180 PIDs now identified it is timely to evaluate their effectiveness, given the broadening clinical spectrum of PID.

Recent findings Two recent studies have sought to define the features that best identify patients with PID and compare these with the 10 Warning Signs. They suggest the 10 Warning Signs discriminate poorly between those with and without PID, and that other features identify about one-third of patients with PID in whom none of the 10 Warning Signs was present. Recent literature describes the diverse presenting features that may assist in more accurately identifying those with PID.

Summary Further development and refinement of early warning signs in light of the growing knowledge of how PIDs manifest clinically may allow relatively simple yet effective guidelines targeted at different groups to better detect PID.

aImmunology Department, PathWest Laboratory Medicine, Perth, Western Australia, Australia

bInstitute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, Tyne and Wear, UK

Correspondence to Professor Andrew J. Cant, c/o Old Children's Out-Patients Department (1st Floor), Royal Victoria Infirmary, Queen Victoria Road, Newcastle upon Tyne NE1 4LP, England, UK. Tel: +44 191 282 5252; fax: +44 191 282 0497

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