title: Two rare complications of chronic benzene poisoning: myeloid metaplasia and paroxysmal nocturnal hemoglobinuria. Report of two cases.
abstract: Two patients, one with myeloid metaplasia and the other one with PNH, both due to chronic exposure to benzene are presented. The patient with PNH exhibited also marked monocytosis as a rare hematologic finding of chronic benzene exposure. The etiological relationship between myeloid metaplasia, PNH and chronic benzene exposure is discussed.
mesh_terms: D000328:Adult; D000368:Aged; D001554:Benzene / Q000506:poisoning*; D002908:Chronic Disease; D006457:Hemoglobinuria, Paroxysmal / Q000097:blood / Q000139:chemically induced*; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D009000:Monocytes; D055728:Primary Myelofibrosis / Q000097:blood / Q000139:chemically induced*
chemical_list: D001554:Benzene