Spinal Cord Compression Secondary to Benign Metastasizing Leiomyoma

Benign metastasizing leiomyoma is an extremely rare disease characterized by the presence of extrauterine spread of smooth muscle cells with histological, molecular, and immunological patterns similar to those of benign uterine leiomyomas. Benign metastasizing leiomyoma is often asymptomatic, and it presents as an incidental radiology finding of well-defined multiple pulmonary nodules with varying sizes. It is more frequent in premenopausal women, and a previous history of uterine leiomyomas resected in the past is found in most of the cases. There are very few case reports of benign metastasizing leiomyoma causing spinal cord compression. The authors report an uncommon case of a premenopausal woman with spinal cord compression one year after the diagnosis of benign metastasizing leiomyoma to the lung. Given that spinal cord compression is an oncologic neurosurgical emergency, rapid diagnosis and management are essential to prevent irreversible neurological deficits.