Intractable Rare Dis Res. 2018;7(2):112-119. (DOI: 10.5582/irdr.2018.01052)

Current status of malignant mesothelioma with liver involvement in China: A brief report and review of the literature.

Zhou D, Quan ZW, Wang JD

Primary and secondary intrahepatic malignant mesothelioma (PIHMM & SIHMM) caused by Peritoneal mesothelioma (PM) are extremely rare tumors and their clinicopathological characteristics remain unclear. The current study presented a case of a 63-year-old female with PIHMM and a literature review of Chinese case reports of SIHMM and PIHMM was performed. The patient received curative left hemihepatectomy because of a 5.5 × 5.0 × 4.0 cm mass occupying the II, III and the lateral portion of the IV segments and meanwhile tightly infiltrating the diaphragm (yellow arrow) was also observed. The pathological diagnosis was epithelial type PIHMM. Immunohistochemistry revealed that the tumor was positive for Calretinin, CK5/6, WT-1 and D2-40(N). The literature review included 11 studies and 6 case reports with a total of 293 PM patients accompanied with 31 SIHMM cases and then 3 case reports of PIHMM. SIHMM and PIHMM are extremely rare, easy to misdiagnose malignant tumors. Immunohistochemistry should be performed strictly in accordance with guidelines, which is crucial for pathological diagnosis. Comprehensive treatment of surgery combined with chemotherapy are mainstream methods for SIHMM and PIHMM. Also, exact survival data should be carefully explored so that objective evaluation of the efficacy of the treatment could be achieved.

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