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KMID : 1103720170760060429
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Journal of the Korean Society of Radiology
2017 Volume.76 No. 6 p.429 ~ p.433
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Pleural Localized Malignant Mesothelioma Mimicking a Benign Solitary Fibrous Tumor of the Pleura on Chest Computed Tomography: A Case Report
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Park Hwi-Ryong
Chong Se-Min
Kim Mi-Kyung
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Abstract
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Pleural malignant mesotheliomas arise from mesothelial cells in the pleura. They are characterized as diffuse or localized malignant mesotheliomas (LMM). Diffuse malignant mesotheliomas spread diffusely along pleural surfaces, while LMM are well-circumscribed nodular lesions with no gross or microscopic diffuse pleural spreading. Therefore, LMM can be radiologically confused with solitary fibrous tumors of the pleura (SFTP), which commonly presents as a solitary, well-demarcated peripheral mass abutting the pleural surface upon the completion of a computed tomography (CT). Therefore, this study reports on a 63-year-old female patient with a pathologically-proven LMM of the pleura, mimicking a benign SFTP upon having a chest CT. Although LMM is extremely rare, FDG PET/CT should be recommended for adequate tumor management in order to avoid misdiagnosing the tumor as a benign SFTP when an interfissural or pleural-based mass is seen on the chest CT.
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KEYWORD
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Pleura, Mesothelioma, Malignant, Solitary Fibrous Tumors, Tomography, X-Ray Computed
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