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Journal of Cardiothoracic Surgery

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Open Access 01-12-2021 | Meningioma | Case report

A case report of primary pulmonary meningioma masquerading as lung metastasis in a patient with rectal carcinoma: role of ¹⁸F-FDG PET/CT

Authors: Maoqing Jiang, Ping Chen, Rong Huang, Jingfeng Zhang, Jianjun Zheng

Published in: Journal of Cardiothoracic Surgery | Issue 1/2021

Abstract

Background

Primary pulmonary meningioma (PPM) is an extremely rare disease, which is often misdiagnosed as lung metastasis. Previous studies indicated that PPM usually showed homogeneous enhancement on enhanced CT and high uptake of ¹⁸F-fluorodeoxyglucose (¹⁸F-FDG) on positron emission tomography/CT (PET/CT). In this study, we report a case of PPM with atypical enhanced CT and ¹⁸F-FDG PET/CT features in a patient with rectal carcinoma.

Case presentation

A 70-year-old male was demonstrated to have rectal carcinoma by biopsy while a solitary pulmonary nodule (SPN) with well-defined edges measuring 13 × 13 × 15 mm was almost simultaneously found in the right lower robe on chest CT scan. Contrast-enhanced CT and PET/CT revealed mild centripetal enhancement of the nodule without accumulation of ¹⁸F-FDG. A thoracoscopic wedge resection of the right lower lobe was finally performed and histopathologic examinations and PET/CT imaging showed that the nodule was a PPM.

Conclusion

PPM is a rare disease with heterogeneity not only in blood supply but also in glucose metabolism. ¹⁸F-FDG PET/CT may be an effective method for differentiating benign and malignant SPNs. The diagnosis of PPM depends on pathological and radiological examinations.

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Title: A case report of primary pulmonary meningioma masquerading as lung metastasis in a patient with rectal carcinoma: role of 18F-FDG PET/CT
Authors: Maoqing Jiang
Ping Chen
Rong Huang
Jingfeng Zhang
Jianjun Zheng
Publication date: 01-12-2021
Publisher: BioMed Central
Keywords: Meningioma
Metastasis
Pulmonary Nodule
Meningioma
Published in: Journal of Cardiothoracic Surgery / Issue 1/2021
Electronic ISSN: 1749-8090
DOI: https://doi.org/10.1186/s13019-021-01546-3

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Springer Medicine

A case report of primary pulmonary meningioma masquerading as lung metastasis in a patient with rectal carcinoma: role of ¹⁸F-FDG PET/CT

Abstract

Background

Case presentation

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Case presentation

Conclusion

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