Abstract

BackgroundMeningioma is the most common type of benign primary brain tumor that is rarely associated with distant metastasis. No established treatment strategy for metastatic meningiomas exists to date. Herein, we report a case of solitary pulmonary metastasis of meningioma detected 2 years after neurosurgical resection of the primary tumor.Case presentationA 75-year-old male patient underwent neurosurgical resection of a convexity meningioma (World Health Organization grade II atypical meningioma), followed by postoperative radiotherapy for the residual tumor. Two postoperative years later, a solitary 10-mm pulmonary nodule in the left lower lung lobe was detected on chest computed tomography. The patient underwent video-assisted thoracoscopic left lower lobectomy for suspected pulmonary metastasis of meningioma. The pathological diagnosis was solitary pulmonary metastasis of meningioma. No sign of further recurrence was noted at 8 months postoperatively.ConclusionsWe present a rare and unique surgical case of solitary pulmonary metastasis of meningioma. Further investigation is necessary to establish the standardized treatment strategy for metastatic meningiomas.

Highlights

  • Meningioma is the most common type of benign primary brain tumor that is rarely associated with distant metastasis

  • We present a rare and unique surgical case of solitary pulmonary metastasis of meningioma

  • Meningioma accounts for approximately 30% of all primary brain tumors [1], frequently affecting female patients aged between 20 and 60 years

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Summary

Conclusions

We report a rare and unique surgical case of solitary pulmonary metastasis of meningioma. Further investigation is necessary to establish the standardized treatment strategy for metastatic meningioma. Ethics approval and consent to participate Informed consent was obtained for this case report. Consent for publication Written informed consent was obtained from the patient for the publication of this case report and any accompanying images. Competing interests The authors declare no conflicts of interest. Author details 1 Department of Thoracic Surgery, Kansai Medical University Hospital, 2‐3‐1 Shin‐machi, Hirakata, Osaka 573‐1191, Japan. 2 Department of Pathology and Laboratory Medicine, Kansai Medical University Hospital, Osaka, Japan.

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