paroxysmal nocturnal hemoglobinuria

noun

: a form of hemolytic anemia that is characterized by an abnormally strong response to the action of complement, by acute episodes of hemolysis especially at night with hemoglobinuria noted upon urination after awakening, venous occlusion, and often leukopenia and thrombocytopenia
abbreviation PNH

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Cite this Entry

“Paroxysmal nocturnal hemoglobinuria.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/paroxysmal%20nocturnal%20hemoglobinuria. Accessed 5 Mar. 2024.

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