CTICasesBenign Metasizing Leiomyoma
Imaging findings
CT chest shows multiple, stable bilateral pulmonary nodules, including a cavitary nodule in the left lower lobe. The patient has a history of prior uterine surgery.
Key takeaways
Benign metastasizing leiomyoma (BML) is a rare condition where histologically benign uterine smooth muscle cells metastasize to distant organs, most commonly the lungs. BML is associated with prior uterine surgery, which is thought to cause hematogenous seeding of benign smooth muscle cells.
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