By Harold S. Ludman, Patrick Bradley
This new version of the best-selling ABC of Otolaryngology deals an up to date evaluation of otolaryngology, and head and neck surgical procedure (ENT). Now in its 5th version, the ABC of Ear, nostril and Throat advises on how top to control sufferers with the commonest ENT-related problems.Thoroughly revised and up-to-date, this new version comprises additional chapters on facial discomfort, head and neck tumours, sleep apnoea and epistaxis, in addition to fresh advances in ENT review and investigations (especially CT and MRI) and minimally invasive thoughts. New fabric on voice, respiring and swallowing issues, listening to impairment and cochlear implants has been further, with new photographs, illustrations and algorithms all through. The ABC of Ear, nostril and Throat bargains a necessary creation to this primary speciality for college kids, while delivering a pragmatic reference for GPs, GP registrars, junior medical professionals and nurses.
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Additional info for ABC of Ear, Nose and Throat, 5th Edition (ABC Series)
Symptoms suggestive of rhinosinusitis are characterised by TWO or MORE of the following symptoms; nasal blockage/congestion, discharge: anterior or postnasal drip, facial pain or pressure and/or a reduction or loss of smell. • Persistence of symptoms up to 12 weeks are termed acute, and chronic when longer than 12 weeks. • The causes of rhinosinusitis are many: allergic, infective – viral, bacterial and fungal, as well as non-allergic non-infective, vasomotor, hormonal and drug induced. • Nasal polyposis is part of the spectrum of chronic rhinosinusitis and is prevalent in 4% of the population, male predominant, increasing with age with peak incidence older than 50 years, with more than 50% having a family history.
37 38 ABC of Ear, Nose and Throat Ethmoid Frontal Ethmoid Further symptoms may include sneezing, watery rhinorrhoea, nasal and eye itching. Disease up to 12 weeks is termed acute, and chronic thereafter. 1 Schematic view of the paranasal sinuses. Lamina papyracea The anterior ethmoid sinuses Allergy Allergic rhinosinusitis (AR) may be perennial, seasonal or occupational. Perennial AR is frequently caused by house dust mites (Dermatophagoides pteronyssinus); other common causes are cat and dog dander.
The facial nerve takes a complex path through the bone turning first forwards at the geniculate ganglion, then backwards across the middle ear, then downwards through the mastoid bone and finally forwards again through the parotid gland on its way to the muscles of facial expression (see Chapter 8). 1 Simple description of the nerves of the cerebello pontine angle and their major functions Cranial nerve Name Motor effects IV Trochlear Superior oblique moves eye down and medially VI Abducent V Trigeminal Lateral rectus moves eye to side Chewing VII VIII VIII IX Facial Acoustic Vestibular Glossopharnygeal X XI Vagus Accessory XII Hypoglossal Facial expression Sensory supply Facial and scalp skin Special features Failure causes double vision on looking down and inwards Failure causes double vision on side gaze Initial irritation causes atypical trigeminal neuralgia Tear glands, salivary glands Taste: anterior tongue Hearing Balance Palate, swallowing Taste: back of tongue/ Severe difficulty in palate swallowing and speaking with inhalation because of an incompetent larynx Swallowing and speech Palate, throat With above Sternomastoid and In paralysis the shoulder trapezius muscles drops and the arm cannot be lifted properly Motor supply to the same In paralysis the tongue side of the tongue deviates to the same side 25 26 ABC of Ear, Nose and Throat Trigeminal nerve LATERAL Facial nerve Dura Acoustic and vestibular nerves Glossopharyngeal nerve Vagus nerve Accessory nerve ROSTRAL Tentorium Basilar artery Anterior inferior cerebellar artery CORDAL Brain stem Choroid plexus Retractor Growths in the CPA With the diversity of structures in the CPA, it is not surprising that many different tumours can grow there.
ABC of Ear, Nose and Throat, 5th Edition (ABC Series) by Harold S. Ludman, Patrick Bradley