Benign extracranial meningioma with pulmonary metastasis: a case report and review of literature.

Background: Meningiomas are common central nervous system tumors, predominantly intracranial, they rarely develop extracranially. Moreover, benign meningiomas seldom metastasize. Case presentation: This article presents a case report of a 55-year-old Chinese male patient with a primary World Health Organization grade 1 meningioma originating from the petrous apex of the temporal bone, accompanied by pulmonary metastasis. Following two incomplete resections of the primary tumor, the patient underwent radiotherapy and has since maintained a stable condition. Conclusion: The case report highlights the rare occurrence of pulmonary metastasis in a benign World Health Organization grade 1 meningioma originating from an extracranial site. It also illustrates the important role of radiotherapy in treating patients with meningioma. Additionally, a review of related literature is provided to gain insights for the diagnosis and treatment of the disease. [ABSTRACT FROM AUTHOR]