HTHSCI 2F03 Lecture Notes - Lecture 13: Enophthalmos, Edema, Nerve Root
26 Dec 2020
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Document Summary
O/e: redness and swelling of the vocal cords. Pedunculated vocal cord swellings caused by hpv. Supplies all intrinsic muscles of the larynx except for cricothyroideus. Responsible for ab- and ad-uction of vocal folds. 30% are cancers: larynx, thyroid, oesophagus, hypopharynx, bronchus. 25% iatrogenic: para- / thyroidectomy, carotid endarterectomy. Other: aortic aneurysm, bulbar / pseudobulbar palsy. Immature and floppy aryepiglottic folds and glottis laryngeal collapse on inspiration. Problems can occur c concurrent laryngeal infections or c feeding. Usually no rx required but severe cases may warrant surgery. Take to theatre to secure airway by intubation. Sudden onset stridor in a previously normal child. Can only exclude foreign body in bronchus by bronchoscopy. Subglottis is narrowest part of respiratory tract in children. Umn signs: sparing of frontalis and orbicularis oculi. Other cn palsies (but seen in 8% of bell"s) May be accompanied by 5th, 6th, and 8th cn palsies. Inflammatory oedema from entrapment of cnvii in narrow facial canal.
