Vascular Findings in the Stria Vascularis of Patients With Unilateral or Bilateral Meniere's Disease: A Histopathologic Temporal Bone Study

被引:25
|
作者
Kariya, Shin [2 ,3 ]
Cureoglu, Sebahattin [1 ,2 ]
Fukushima, Hisaki [4 ]
Nomiya, Shigenobu [1 ,2 ]
Nomiya, Rie [1 ,2 ]
Schachern, Patricia A. [1 ]
Nishizaki, Kazunori [3 ]
Paparella, Michael M. [2 ,5 ]
机构
[1] Univ Minnesota, Dept Otolaryngol, Otitis Media Res Ctr, Minneapolis, MN 55455 USA
[2] Int Hearing Fdn, Minneapolis, MN USA
[3] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Otolaryngol Head & Neck Surg, Okayama 7008530, Japan
[4] Kawasaki Med Sch, Dept Otolaryngol, Kurashiki, Okayama, Japan
[5] Paparella Ear Head & Neck Inst, Minneapolis, MN USA
关键词
Meniere's disease; Stria vascularis; Vascularity; Vessel; ENDOLYMPHATIC HYDROPS; PATHOPHYSIOLOGY; MEMBRANE; SYMPTOMS;
D O I
10.1097/MAO.0b013e3181b4ec89
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Hypothesis: There are pathologic changes of vessels in the stria vascularis in patients with Meniere's disease. Background: The cause of Meniere's disease is under debate. Methods: This study examined 14 temporal bones from 7 patients with bilateral Meniere's disease, 30 temporal bones from 15 patients with unilateral Meniere's disease, and 17 age-matched, normal temporal bones from 12 subjects. The temporal bones were serially sectioned in the horizontal plane at a thickness of 20 Km and stained with hematoxylin and eosin. The midmodiolar section of the cochlea was selected from each subject, and the number of vessels in the stria vascularis in each cochlear turn was counted by light microscopy. The area of the lumen of each vessel in the stria vascularis was also measured. Results: The number of vessels in the stria vascularis in ears with Meniere's disease was smaller than in normal controls in all cochlear turns. The number of vessels in the contralateral stria vascularis in patients with unilateral Meniere's disease was smaller than in normal controls in all cochlear turns. There was no significant difference between the area of the vessel lumen in the stria vascularis in patients with Meniere's disease and that in normal controls. Conclusion: The stria vascularis may be ischemic bilaterally both in bilateral and unilateral Meniere's disease. Abnormal findings in the contralateral ears in unilateral Meniere's disease reported in previous studies might be related to poor vascularity of the stria vascularis.
引用
收藏
页码:1006 / 1012
页数:7
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