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Titolo:
BRAIN-STEM CONTUSION DUE TO TENTORIAL COUP INJURY - CASE-REPORT AND PATHOMECHANICAL ANALYSIS FROM NORMAL CADAVERS
Autore:
SAEKI N; YAMAURA A; SUNAMI K;
Indirizzi:
1-8-1 INOHANA,CHUHOH KU CHIBA 260 JAPAN KAWATETSU CHIBA HOSP,SCH MED,DEPT NEUROL SURG CHIBA JAPAN
Titolo Testata:
British journal of neurosurgery
fascicolo: 2, volume: 12, anno: 1998,
pagine: 151 - 155
SICI:
0268-8697(1998)12:2<151:BCDTTC>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
LESIONS;
Keywords:
BRAIN STEM; HEAD INJURY; MRI; TENTORIAL INCISURA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
15
Recensione:
Indirizzi per estratti:
Citazione:
N. Saeki et al., "BRAIN-STEM CONTUSION DUE TO TENTORIAL COUP INJURY - CASE-REPORT AND PATHOMECHANICAL ANALYSIS FROM NORMAL CADAVERS", British journal of neurosurgery, 12(2), 1998, pp. 151-155

Abstract

This report is in two parts. First, a case report on a 20-year-old man with a localized brain stem contusion. Second, in order to elucidatethe mechanism of this injury, an anatomical study was performed. Ten cadaver heads were analysed to reveal the variations of spatial anatomy around the tentorial incisura. The lateral tentorial incisura (lateral to brain stem) was situated at the level of pontomesencephalic junction and nearest to the brain stem along its course. The shortest distance between them averaged 1.0 mm (0-4 mm). Based on these findings, primary brain stem injury caused by tentorial incisura occurs at its lateral portion due to the shortest distance to the brain stem and near the level of pontomesencephalic junction. In patients with a tentorialincisura closely related to or touching the brain stem, tentorial coup injury to the brain stem may occur even with a relatively minor injury. In our case, repeated CT and MRI proved that the location of contusion was at the pontomesencephalic junction, coinciding with the levelof the tentorial edge. The injury started at the surface of brain stem. The tentorial edge was close to brain stem in this case. These radiological findings support the hypothesis that the brain stem contusionwas caused by a tentorial coup injury.

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Documento generato il 28/11/20 alle ore 04:29:25