A 33-year-old white woman arrived at the hospital to undergo a hysterectomy due to uterine fibroids. Blood smear review identified macrothrombocytopenia and Döhle body-like cytoplasmic leukocyte inclusions. Genetic testing identified a mutation in exon 39 of the myosin heavy chain gene (MHY9; OMIM 160775), which confirmed the diagnosis of May-Hegglin anomaly. May-Hegglin anomaly is one of a spectrum of MYH9 disorders that also includes Sebastian, Epstein, and Fechtner syndromes. Herein, we describe the clinical and laboratory presentation of a patient with May-Hegglin anomaly and provide an update on the molecular findings and a discussion of the genotypic-phenotypic correlations in this potentially underdiagnosed disorder.
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| http://dx.doi.org/10.1093/labmed/lmw033 | DOI Listing |
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[This corrects the article DOI: 10.1177/2050313X241302013.].
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