Unexpected Non-Maternally Derived Anti-PP1P<sup>k</sup> in an 11-Week-Old Patient.

Reeves, Hollie M; Cary, Victoria; Mino, Mary Ann; McGrath, Claire; Westra, James A; Piccone, Connie; Downes, Katharine A · J Pediatr · 2017

case_report · Level V

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Abstract

Alloantibody formation at less than 4 months of age is rare. Most antibodies identified in these patients are maternally derived. Anti-PP1P<sup>k</sup> was detected in an 11-week-old infant that was not maternally derived. A multidisciplinary team approach led to appropriate testing, diagnosis, and transfusion management in this critically ill infant.

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