Traumatic subdural hygroma: Pathology and meningeal enhancement on magnetic resonance imaging

Mitsuhiro Hasegawa, Tetsumori Yamashima, Junkoh Yamashita, Masayuki Suzuki, Sadahiro Shimada

研究成果: Article

44 被引用数 (Scopus)

抄録

FIVE PATIENTS WITH traumatic subdural hygroma are reported with reference to its pathology and meningeal enhancement on magnetic resonance imaging. Hygromas showed initially iso- and, later, high intensity on both T1- and T2-weighted images compared with the intensity of the cerebrospinal fluid. In all cases of the thick hygromas, magnetic resonance imaging with gadolinium diethylene-triamine-pentaacetic acid showed meningeal enhancement. Intravenously injected radioisotope immediately flowed into the hygromas, but computed tomographic cisternography and gross inspection during the surgery showed no evidence of an influx of cerebrospinal fluid into the hygromas. Microscopic examination of the enhanced meninges revealed vascularized neomembrane with numerous fenestrations and pinocytosis underneath the dura mater. It is suggested from these data that the subdural neomembrane is associated with the development of the traumatic subdural hygromas. Meningeal enhancement would be useful to clarify the growing mechanism of traumatic subdural hygromas.

本文言語English
ページ(範囲)580-585
ページ数6
ジャーナルNeurosurgery
31
3
DOI
出版ステータスPublished - 09-1992

All Science Journal Classification (ASJC) codes

  • Surgery
  • Clinical Neurology

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