RT Book, Section A1 Fischer, Alain A2 Jameson, J. Larry A2 Fauci, Anthony S. A2 Kasper, Dennis L. A2 Hauser, Stephen L. A2 Longo, Dan L. A2 Loscalzo, Joseph SR Print(0) ID 1163536351 T1 Primary Immunodeficiencies Associated with (or Secondary to) Other Diseases T2 Harrison's Principles of Internal Medicine, 20e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259644016 LK accessmedicine.mhmedical.com/content.aspx?aid=1163536351 RD 2024/10/12 AB There are an increasing number of conditions in which a primary immunodeficiency (PID) has been described as one facet of a more complex disease setting. It is essential to consider associated diseases when a PID is identified as the primary manifestation and, conversely, not neglect the potentially harmful consequences of a PID that could be masked by other manifestations of a particular syndrome.