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The classification of sensory disturbances in the cases of infranuclear facial palsy. Hayakawa Toshiaki 1 , Hakusui, Shigeyoshi 1 , Sobue, Iturō 1 , Hibino Susumu 1 1Ist Internal Medicine, Nagoya Univ. Medical School pp.225-230
Published Date 1954/7/1
DOI https://doi.org/10.11477/mf.1406200409
  • Abstract
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The discription on analysis of sensory dis-turbance in the case of pontine lesion has been meagre up to thiS time. Recently the investi-gation of sensory fibres of trigeminal nerve has made rapid progress since the Sjöqvist's Operation (1937). The secondary trigeminal sensory pathway to be fit for the spinal system is thought as follows.

"Sensation" pain, tempera-ture sensation touch, pressure sensation (pro-topathic) touch,pressure :sensation (epi-critic)

"spinal" dorsolateral spinothalarnic tract ventromedial spinothalamic tract posterior funi- cle

"trigeminal" delicate tri-geminal path. (Kurn) Wallenberg's dorsal tract Spitzer's vent-ral trigeminal bundle

Among many cases of infranuclear facial palsy that we have investigated, we have found she cases owning to intrameduilar lesion in the pons. We haxe experienced some interesting facts in these clinical cases, which are discrib-ed as follows:

1). We analysed the sensory disturbances with infranuclear facial palsy caused by tegmental lesion of lower pons. From our experiences we attempted to classify them into six types and we particularly encountered to five types of them.

This classification are as follows: type invohed fibre disturbance of pian, temperature sensation. (the af- fected side of low-er pons is right.)our cases

"note" Fp : the side of franuclear facial palsy.

F : infranuclear fibre of facial nerve.

K : delicate trigemi- nal path (Kuru)

DI : dersolateral spinothalamic tract

SpV: spinal root of 5th nerve.

■: sensory disturbance ( pain temperature)

2) Regarding to secondary gustatory pathways, many doubtful points are remaind. We ex-amined these cases which showed gustatory disturbance of tongue on the opposite side of infoonuclear facial palsy. From our observa-tions we recognized that the secondary gustato-ry pothway finishes contra lateral crossing by the level of lower pons and reaches to higher center of brain ascending in the tegment.


Copyright © 1954, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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