Kritmetapak K, Dumrongsukit S, Jinchai J, Wongprommek P. Pseudohyperphosphatemia in a patient with relapsed multiple myeloma after bone marrow transplantation: A case report.
Clin Case Rep 2019;
7:1426-1429. [PMID:
31360504 PMCID:
PMC6637355 DOI:
10.1002/ccr3.2264]
[Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 05/10/2019] [Accepted: 05/28/2019] [Indexed: 11/11/2022] Open
Abstract
Pseudohyperphosphatemia is a laboratory artifact characterized by falsely elevated serum phosphate mostly due to paraprotein interference on the conventional automated analyzer. Clinician recognition of this phenomenon and pre-analytical preparation, including dilution or protein precipitation, can obviate unnecessary therapy and potentially unveil the diagnosis of paraproteinemia especially related to multiple myeloma.
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