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Mesenchymal VEGFA induces aberrant differentiation in heterotopic ossification

Bone Research 2019年第4期7卷 371-387页

作者： Charles Hwang Simone Marini Amanda KHuber David MStepien Michael Sorkin Shawn Loder Chase APagani John Li Noelle DVisser Kaetlin Vasquez Mohamed AGarada Shuli Li Jiajia Xu Ching-Yun Hsu Paul BYu Aaron WJames Yuji Mishina shailesh agarwal Jun Li Benjamin Levi Department of Surgery University of MichiganAnn ArborMI 48109USA Department of Computational Medicine and Bioinformatics University of MichiganAnn ArborMI 48109USA Department of Pathology Johns Hopkins UniversityBaltimoreMD 21218USA Division of Cardiovascular Medicine Department of MedicineBrigham and Women’s HospitalHarvard Medical SchoolBostonMA 02115USA Department of Biologic and Materials Sciences&Prosthodontics School of DentistryUniversity of MichiganAnn ArborMI 48109USA

Heterotopic ossification(HO)is a debilitating condition characterized by the pathologic formation of ectopic *** occurs commonly following orthopedic surgeries,burns,and neurologic *** surgical excision may provide palliation,the procedure is often burdened with significant intra-operative blood loss due to a more robust contribution of blood supply to the pathologic bone than to native *** on these clinical observations,we set out to examine the role of vascular signaling in *** endothelial growth factor A(VEGFA)has previously been shown to be a crucial pro-angiogenic and pro-osteogenic cue during normal bone development and *** findings,using a validated mouse model of HO,demonstrate that HO lesions are highly vascular,and that VEGFA is critical to ectopic bone formation,despite lacking a contribution of endothelial cells within the developing anlagen.

关键词： VEGFA injuries ossification

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有胰 divisum 的 Choledochocele : 在磁性的回声 cholangiopancreatography 上诊断的稀罕同现

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World Journal of Radiology 2013年第7期5卷 264-266页

作者： Yashwant Patidar Nitesh agarwal shailesh Gupta Ankur Arora Amar Mukund S Rajesh Department of Radiology Institute of Liver and Biliary Sciences New Delhi 110070 India

We report a case of a 42-year-old male with symptomatic choledochocele and incidental pancreas divisum diagnosed with magnetic resonance cholangiopancreatography (MRCP). Small choledochocele is rare congenital malformation associated with non-specific symptoms and a delay in diagnosis. The coexistence of choledochocele and pancreas divisum is extremely rare with only two case reports published in literature. In both cases MRCP failed to diagnose any biliary or pancreatic abnormality. This case suggests that the patients with recurrent abdominal pain and pancreas divisum should not be presumed to be suffering from pancreatitis. Careful evaluated for additional anomalies in the biliary tree should be sought for refractory symptoms. MRCP is a useful one-stop-shop for diagnosing pancreatic and biliary ductal anomalies.

关键词： Choledochocele Pancreas divisum Magnetic resonance cholangiopan-creatography Pancreaticand biliary ductal anomalies Pancreatitis

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