1Clinicopathologic features of PEComa originated from the female reproductive systemHE Ying, XU Lian, SONG Bo, LIU Juan, WANG Wei, Li Qing-liOriginal Articles473-4762Clinicopathological features of thyroid-like low-grade nasopharyngeai papillary adenocarcinomaZHANG Hua, GONG Hui-lin, ZHANG Jiao-jiao, LIANG HuaOriginal Articles477-480,5113Expression of VGLL4 in colon cancer and its significanceXIA Liang-bing, FAN Zhen-long, HU Si-jun, XIAO Wei, HU Wen-huiOriginal Articles481-4854Meconium peritonitis: a clinicopathlolgical study of five casesSUN Xiao-fei, GU Yi-qun, WANG Ai-chun, LIU Yi-Tao, WANG JunOriginal Articles486-489,5385Solitary fibrous tumor of nasal cavity: a clinicopathological analysis of three casesLI Jin-yan, TANG Xue-feng, ZHANG YuOriginal Articles490-492,5056Acquired megacolon: clinical and pathological analysesYU Hong, DU Ji-yaOriginal Articles493-495,封37Metaplastic carcinoma of breast: report of six casesQIN Yun, QI Xiao-li, ZHANG Yi-hua, ZHANG Li-ying, LIU Hong-bo, WANG YanOriginal Articles496-4988Clinicopathologic features, diagnosis and prognosis of amyloidosis of the urinary tractYU Chun-kai, SONG Zhi-gangOriginal Articles499-5029Clinicopathological characteristics of immunoglobulin G4 associated diseaseDUAN Rui, ZHANG Jian-zhong, ZHOU Jin-lian, JING Qing-ping, WU Ji-huaOriginal Articles503-50510KRAS, NRAS, PIK3CA and BRAF gene mutations in patients with colorectal cancer using ARMSZHANG Ying, WANG Zhe, YANG Xiang-hongOriginal Articles506-51111Clinicopathological significance of trim31 expression in gallbladder carcinomaLIU Chang, LIU Dong-ge, GE Chun-linOriginal Articles512-515,48512Expression of p53/p21WAF-1 and CDK1 in breast cancer and its significanceFENG Li-wen, YU Fei, LI Shu, YUE Lin, GAO Yang, XIANG Peng-cheng, BAI Xue-fengOriginal Articles516-51813Clinicopathological features of gonadoblastomaDU Rui, LING Yue-xian, ZHANG Jiang-yu, WU Kun-he, ZHANG Yan-hong, CHEN Wen-jingOriginal Articles519-52214Primary extraskeletal myxoid chondrosarcoma of the lung: a clinicopathological studyLIU You, ZHANG Xiao-huan, SONG Zhi-gang, WANG Zhan-boOriginal Articles523-527