[Association of autoimmune thrombopenic purpura and leiomyoma. Recovery after excision of the tumor].

A case of auto-immune thrombocytopenic purpura in a woman with benign cystic leiomyoma in Retzius' space is reported. The platelet Coombs' test was positive on platelets; the indirect Coombs' test was negative on serum but strongly positive on cyst fluid. Following excision of the leiomyoma thrombocytopenia rapidly subsided and the serological findings became negative, which strongly suggests that the antibody was produced by the tumour.