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What is A 63 year old male presented with sudden onset of weakness of the face and tongue and dysahria suggestive of a lesion involving coiculonuclear tract. MRI revealed ischaemic stroke of a ceain pa of the internal capsule. Which of the following pas of the internal capsule was most likley affected? and explain in detail?
The coiconulcear fibers pass through the genu of the internal capsule. The coiconuclear tract (previously called coicobulbar tract) innervated the muscles of the face and tongue the facial and hypoglossal nerves. Pas of internal capsule Motor fibers/ Descending fibers Sensory fibers/ Ascending tracts Anterior limb Frontopontine Anterior thalamic radiation Genu Coiconuclear Coicospinal Superior thalamic radiation Posterior limb Coicospinal Coicorubral Frontopontine Superior thalamic radiation Retrolentiform pa Pariteopontine Occipitopontine occipitotectal Posterior thalamic radiation Optic radiation Sublentiform pa Temporopontine Parietopontine Auditory radiation Ref: Gray's Anatomy 41st edition Pgno: 395