Malignant Peritoneal Mesothelioma Masquerades as Peritoneal Metastasis on 18F-FDG PET/CT Scans; a Rare Diagnosis that Should Not Be Missed

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• 作者：Apichaya Claimon ; Ji-In Bang ; Gi Jeong Cheon…
• 关键词：Mesothelioma ; Peritoneum ; F ; 18 fluorodeoxyglucose ; Positron emission tomography
• 刊名：Nuclear Medicine and Molecular Imaging
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：49
• 期：4
• 页码：325-328
• 全文大小：624 KB
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• 作者单位：Apichaya Claimon (1) (2)
  Ji-In Bang (1)
  Gi Jeong Cheon (1)
  Euishin Edmund Kim (3) (4)
  Dong Soo Lee (1) (3)
  
  1. Department of Nuclear Medicine, Seoul National University Hospital, 101 Daehangno, Jongro-gu, Seoul, 110-744, Korea
  2. Division of Nuclear Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
  3. Molecular Medicine and Biopharmaceutical Sciences, WCU Graduate School of Convergence Science and Technology, Seoul National University College of Medicine, Seoul, Korea
  4. Department of Radiological Sciences, University of California, Irvine, CA, USA
  
• 刊物主题：Nuclear Medicine; Imaging / Radiology; Orthopedics; Cardiology; Oncology;
• 出版者：Springer Berlin Heidelberg
• ISSN：1869-3482

文摘

Malignant peritoneal mesothelioma (MPM) is a rare but fatal tumor. The clinical presentations and imaging findings are nonspecific and resemble various diseases, including peritoneal metastasis. Imaging findings of MPH on 18F-18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)/computed tomography (CT) are diverse and not well described. We report the two cases of biopsy-proven MPH using 18F-FDG PET/CT. In our cases, interesting disease patterns—including MPH arising from visceral peritoneal lining of kidney that suffer from polycystic disease and from the parietal peritoneum beneath the appendectomy scar—were presented. One case showed classical metastases localized within the abdominal cavity; while the other case exhibited the rare pattern of extensive multi-organ metastases. By knowing the possible variations and diagnostic pitfalls of 18F-FDG PET/CT findings in MPM, more accurate interpretation of such mysterious cancer is attainable. Keywords Mesothelioma Peritoneum F-18 fluorodeoxyglucose Positron emission tomography