Solitary Isolated Dural Metastasis From Lung Adenocarcinoma Mimicking Meningioma.
case_report · Level V
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- Record sourced from PubMed, PMID 34619702.
- Also identified by DOI 10.1097/RLU.0000000000003923.
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Abstract
Solitary isolated dural metastasis is extremely rare. Distinguishing solitary dural metastasis from meningioma based on radiological findings can be challenging. We describe MRI and FDG PET/CT findings in 2 cases of histologically proved solitary isolated dural metastasis from lung adenocarcinoma. Enhanced brain MRI of the 2 cases showed parafalcine extra-axial, dural-based tumors with hypervascularity mimicking meningioma. Preoperative FDG PET/CT was performed in one case with a known history of lung adenocarcinoma showing intense FDG uptake of the parafalcine tumor. Postoperative FDG PET/CT was performed in the other case showing solitary lung tumor, suggestive of the primary tumor.
Medical subject headings
- Adenocarcinoma of Lung
- Lung Neoplasms
- Meningeal Neoplasms
- Meningioma