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Hemodynamic Impact of a Spontaneous Cervical Dissection on an Ipsilateral Saccular Aneurysm
Alfred P. See,Bradley A. Gross,David L. Penn,Rose Du,Kai U Frerichs 대한뇌혈관외과학회 2016 Journal of Cerebrovascular and Endovascular Neuros Vol.18 No.2
The dynamic, hemodynamic impact of a cervical dissection on an ipsilateral, intracranial saccular aneurysm has not been well illustrated. This 45-year-old female was found to have a small, supraclinoid aneurysm ipsilateral to a spontaneous cervical internal carotid artery dissection. With healing of the dissection, the aneurysm appeared to have significantly enlarged. Retrospective review of the magnetic resonance imaging (MRI) at the time of the initial dissection demonstrated thrombus, similar in overall morphology to the angiographic appearance of the "enlarged" aneurysm. As the dissection healed far proximal to the intradural portion of the internal carotid artery, this suggested that the aneurysm was likely a typical, saccular posterior communicating artery aneurysm that had thrombosed and then recanalized secondary to flow changes from the dissection. The aneurysm was coiled uneventfully, in distinction from more complex treatment approaches such as flow diversion or proximal occlusion to treat an enlarging, dissecting pseudoaneurysm. This case illustrates that flow changes from cervical dissections may result in thrombosis of downstream saccular aneurysms. With healing, these aneurysms may recanalize and be misidentified as enlarging dissecting pseudoaneurysms. Review of an MRI from the time of the dissection facilitated the conclusion that the aneurysm was a saccular posterior communicating artery aneurysm, influencing treatment approach.
Poster Session : Role of the C-terminal amino acids in β2-microglobulin amyloid formation
( J Kim ),( Motomiya Y ),( Ueda M ),( Nakamura M ),( Saito S ),( Misumi Y ),( Himeno S ),( Obayashi K ),( Shinriki S ),( Meung W ),( Sengba U ),( Kai H ),( Ando Y ) 한국생화학분자생물학회 (구 한국생화학회) 2007 생화학분자생물학회 춘계학술발표논문집 Vol.2007 No.-
Günter Theiβen,Annette Becker,Jorge Cacharron,Wim Deleu,Alexandra Di Rosa,Wolfram Faigl,Akira Kanno,Jan T. Kim,Charlotte Kirchner,Zheng Meng,Thomas Munster,Sunsane Werth,Luzie Ursula Wingen,Kai-U Plant molecular biology and biotechnology research 1998 Proceedings the 2nd Korean-Germany joint symposium Vol.1998 No.-
MADS-box genes (Schwarz-Sommer et al. 1990) contribute significantly to the development of inflorescences and flowers, e.g. by acting as floral meristem or organ identity genes (for recent reviews, see Thei?en and Saedler 1995; Thei?en et al. 1996;Riechmann and Meyerowitz 1997). Up to now, MADS-box genes have mainly been studied in the scientific context of developmental biology, and in eudicotyledonous model plants of little commercial value, such as Antirrhinum and Arabidopsis. The focus of our group is to apply our current knowledge about flower development to breeding research and evolutionary biology. Therefore, we are currently characterizing the MADS-box gene family in the important monocotyledonous crop plant maize (Zea mays ssp. mays), and in other phylogenetic informative taxa, such as the monocots lily (Lilium regale) and tulip (Tulipa gesneriana), the basal angiosperm Cabomba, and non-flowering plnats including the gymnosperm Gnetum gnemon and the ferns Ceratopteris and Ophioglossum.