G6PD and leiomyoma: Linder, as a pathologist, simply arranged to obtain excised uteri from the surgical pathology laboratory for their studies of patients of African descent who had undergone a hysterectomy for “fibroids”, not an uncommon event.61 They first homogenized a portion of the myometrium and did gel electrophoresis to determine if the individual in question was informative, i.e. a compound heterozygote for G6PD isoenzymes A and B.