Treatment decision based on the biological behavior of pulmonary benign metastasizing leiomyoma

Aurel Ottlakan, Bernadett Borda, Gyorgy Lazar, Laszlo Tiszlavicz, Jozsef Furak

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3 Citations (Scopus)


Benign metastasizing leiomyoma (BML) is a rare disease in women undergoing surgery for uterine leiomyoma. About 100 cases have been reported in the literature, none of which describe the biological behavior of lesions. The authors present the case of a 36-year-old, asymptomatic woman who had undergone uterus extirpation seven years earlier for leiomyoma of the uterus. Routine chest radiography revealed multiple nodules in both lungs. Biopsy verified metastases from the original uterine leiomyoma. During a 41-month interval, 87 lesions were removed in seven operations, through mini-thoracotomy [four left-sided (42 lesions); and three right-sided (45 lesions)] by cautery resection and suturing of the parenchyma (n=83), or by wedge resection (n=4). In between the procedures, the patient received continuous oncological treatment (VIP protocol: etoposide, ifosfamide, cisplatin). Mean hospital stay was 5.14 days. Respiratory function tests performed after the last surgery showed near-normal results (FVC: 77%, FEV1: 64%, FEV1/FVC: 0.83). Over time, a decrease in number of newly developed BML nodules was observed. Mean surgical sensitivity [rate of lesions appearing on computerized tomography (CT) and removed during each surgery] of the seven metastasectomies was 95% (range: 40-150%). Pathological examination of the nodules proved that, despite continuous oncological treatment, there were no signs of necrosis, thrombosis, or fibrosis. The number of mitoses within the nodules did not change. According to our surgical results and the fact that oncological treatment did not have a significant effect on the course of the disease, we conclude that in the management of multiple BML lesions, surgically removing as many lesions as possible is advised.

Original languageEnglish
Pages (from-to)E672-E676
JournalJournal of Thoracic Disease
Issue number8
Publication statusPublished - Jan 1 2016


  • Leiomyoma
  • Lesion
  • Lung
  • Surgery

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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