["Benign metastasizing leiomyoma"? A case report without evidence for unbalanced cytogenetic aberrations].

There are rare cases of histologically benign appearing uterine leiomyomas with subsequent development of multifocal extrauterine smooth muscle tumors, most often located in the lung. It remains unclear whether this evolves from a morphological innocent appearing low grade sarcoma or from proliferation of multifocal but autochtonous cellular foci… (More)