title: The value of family history in diagnosing primary immunodeficiency disorders.
abstract: Eliciting proper family medical history is critical in decreasing morbidity and mortality in patients with primary immunodeficiency disorders (PIDs). Communities with a common practice of consanguinity have a high rate of PIDs. We are presenting 2 cases where digging deeply into the family medical history resulted in the diagnosis of Omenn syndrome, a possibly fatal entity if not managed in a reasonable period.
authors.affiliation: Department of Pediatrics, Section of General Pediatrics, Hamad Medical Corporation, Doha, Qatar.
authors.forename: Mohamed A
authors.identifier: 0000-0001-9900-237X
authors.initials: MA
authors.lastname: Hendaus
authors.affiliation: Department of Pediatrics, Section of General Pediatrics, Hamad Medical Corporation, Doha, Qatar ; Weill Cornell Medical College, Doha, Qatar.
authors.forename: Ahmad
authors.initials: A
authors.lastname: Alhammadi
authors.affiliation: Weill Cornell Medical College, Doha, Qatar ; Department of Pediatrics, Allergy and Immunology Section, Hamad Medical Corporation, Doha, Qatar.
authors.forename: Mehdi M
authors.identifier: 0000-0002-3051-3080
authors.initials: MM
authors.lastname: Adeli
authors.affiliation: Department of Pediatrics, Endocrinology Section, Hamad Medical Corporation, Doha, Qatar.
authors.forename: Fawzia
authors.initials: F
authors.lastname: Al-Yafei