ENT Undergraduate Lecture Mr Rejali ENT Consultant University Hospital, Coventry
Plan 3 lecture: Otology Rhinology Head and Neck Practical session
Otology Anatomy / Physiology History Examination Outer ear problems Middle Ear Problems Inner Ear Problems
Otology Anatomy External Ear 1 Pinna Skin Cartilage External audiotary meatus (canal) Lateral/Outer 1/3 in cartilages and produce wax Medial 2/3 in bone and wax free Skin migration
Otology Anatomy External Ear 2 External auditory meatus/canal Ear wax (and hair) produced in outer 1/3 of ear canal Ear wax (cerumen) more soluble in water Rare cause of hearing loss unless impacted on to tympanic membrane or blocking canal completely and with a thickness of >2-m mm
Otology Anatomy Middle Ear 1 Air containing space in temporal bone. Three ossicles (Mallus, incus and stapes) transfer sound from air to inner ear fluids Common site of pathology
Otology Anatomy Middle Ear 2 Tympanic membrane Right ear Attic Handle of malleus Light reflex
Otology Anatomy Middle Ear 3 Eustachian tube equalises pressure between middle ear and atmosphere
Otology Anatomy Inner Ear 1 Cochlea – Hearing Semicircular canal – Angular acceleration Vestibule – Linear acceleration
Otology Physiology Cochlea Sound transmission through middle ear Oval - Round Window travelling wave. Tonotopic distribution of organ of corti
Otology Physiology Vestibular Function Macula in saccule and utricle - linear acceleration Crista in semi-circular canal – angular acceleration
Otology History Outer ear: Middle ear: Pain Discharge: scant, serous Hearing loss, late Middle ear: Hearing loss (conductive) Discharge: moderate mucoid Pain In acute otitis media until tympanic membrane perforates Chronic otitis media only if complicated e.g. otitis externa or intracranial complications
Otology History Inner ear: Hearing loss (sensoneural) Vertigo Tinnitus
Otology Examination Wash hands (MRSA) Intro Ask about tenderness Which is better ear Inspect pinna, mastoid area Otoscopy External auditory canal Tympanic membrane Hearing test Other test: cranial nerve (esp VII), co-ordination and romberg
Tuning Fork Test Rinne Weber Clinical hearing test Air conduction louder than bone conduction Weber Lateralises to side of conductive loss and away from sensoneural hearing loss Clinical hearing test
Otology Diagnosis Surgical Sieve Outer ear Middle Ear Inner Ear Hearing loss Conductive Sensoneural
Otology Investigations Pure Tone Audiogram Tympanogram CT MRI
Otology Management Explanation Advice Medical Surgical
Haematoma/Seroma of Pinna Aspirate x2 (sterile conditions) Compression bandage Review in 24hrs If re-accumulate proceed to formal drainage and quilting stitch
Otology External Pinna skin tumour
Otitis Externa Otitis Externa Acute Chronic Painful Serous discharge Moist swollen canal Tympanic membrane intact Pseudomonas aeroginosa Treat topical toilet and antibiotics Chronic Eczema Topical toilet and steroids
Otitis Externa Furuncle localised infection and pain put wick with 10% icthamol/glycerine Or incise and drain under local anaesthetic Furuncle/Abscess of Hair Follicle
Otology External Exostoses Osteomas Cold water swimmers Bening neoplasia
Otology Middle Tympanosclerosis Previous infection or trauma. Usually of no significance
Otology Middle Retracted tympanic mebrane Often no treatment needed Differentiate from perforation Occasionally progress to cholesteatoma
Otology Middle TM perforation If dry may need no treatment If recurrent infection can be repaired.
Otology Middle Acute otitis media Pain Hearing loss Later otorrhea
Acute Mastoiditis IV antibiotics Surgery
Otology Middle Otitis media with effusion – glue ear Middle ear fluide Common in children Hearing loss Infection starts process Treatment conservative, Grommets
Otology Middle Cholesteatoma
Otology Middle Ear Mastoid cavity
Otology Inner Ear Balance: Balance is determined by a complex combination of inputs into the brain. These inputs are: Vision Proprioception (sensation of position of joints) Inner ear Integration by brain
Otology Inner Ear Vertigo illusion of movement Hallmark of vestibular dysfunction Rotary Linear
Otology Inner Ear Benign Paroxysmal Positional Vertigo Vestibular Neuronitis Meniere's Disease Recurrent vestibulopathy Differentiate from central vestibular causes.
Vestibular signal balance Normal balanced input Pathological Left ear in this case Increased signal Reduced or no signal Increased signal Vestibular Neuronitis Menieres BPPV Brain will get used to new situation but not to a frequently changing one.
Otology Inner Ear Presbyacusis Congenital Hearing Loss
Otology Inner Ear Tinnitus Acoustic neuroma
Facial Palsy Upper vs Lower motor neurone pattern.
Facial Palsy Not all are Idiopathic (Bells Palsy) Assess other cranial nerves Ear Parotid Symptoms/signs which suggest other aetiology Above exam +VE Slow onset Little, no or incomplete recovery
Facial Palsy Eye care. If concern d/w Ophthalmic team. Tape eye closed at night after Lacrilube Hypomellose eye drops PRN during day Steroids (Prednisolone 40mg od for one week) are indicated early in the course of the disease (less than 3 days) if there are no contraindications. Acyclovir if signs of herpes zoster infection (vesicles in TM or pharynx or palate. (400mg five times a day for 10 days)
The End of Otology Section
Rhinology Anatomy Physiology History Examination Pathology
Rhinology Anatomy 1 External Internal Lateral wall Medial wall
Rhinology Anatomy 2 Nasal septum Little’s area Epistaxis
Rhinology Anatomy 3 Paranasal Sinuses Frontal Maxillary Ethmoid Sphenoid
Rhinology Physiology Nose Sinuses Warms, moisten Filter Mucociliary Function unknown
Rhinology History Nasal obstruction Anterior rhinorrhoea Olfaction Facial pain Sneezing Epistaxis
Rhinology Examination Inspect external nose Palpate external nose Evaluate nasal airway Steam pattern on metal tongue depressor Inspect nasal mucosa Use otoscope Lateral, medial Inspect palpate over sinuses Endoscopy Olfaction
Rhinology Investigation Allergy testing IgE levels RAST (Blood test) Skin Prick Testing Plain X ray – inaccurate CT
Rhinology Allergic Rhinitis 1 IgE mediated allergic reaction Seasonal/Hay fever, allergy to pollen Perennial – allergy to House Dust Mite Other: cat etc Nasal obstruction, sneezing, rhinorrhoea, eye symptoms
Rhinology Allergic Rhinitis 2 Investigations RAST test Skin Prick test
Rhinology Allergic Rhinitis 3 Treatment Allergen Avoidance Anti-histamine Topical Systemic Steroid Topical spray or Drops Oral (limited use) Leukotriene antagonist Immunotherapy
Rhinology Deviated Nasal Septum Aetiology Congenital Traumatic Symptom Nasal obstruction Bilateral or Unilateral Sign Treatment As for rhinitis Surgery
Rhinology Perforation of Nasal Septum 1 Aetiology Idiopathic Trauma Tumour Wegener’s/SLE Chromic/Sulphuric acid or Cocaine Symptoms Nasal obstruction Crusting Epistaxis
Rhinology Perforation of Nasal Septum 2 Treatment Exclude serious causes Treat as rhinitis Nasal douching Septal button Surgery (success poor)
Rhinology Nasal Polyps Aetiology Not known Symptoms Nasal Obstruction Rhinorrhoea Treatment Topical steroid medication Surgery
Rhinology Sinusitis 1 Aetiology Not all facial pain is sinusitis Infective Acute vs. Chronic Not all facial pain is sinusitis Symptoms Facial pain Nasal discharge Nasal obstruction Signs
Rhinology Sinusitis 2 Treatment Acute Decongestants Antibiotic Chronic Topical steroid medication (Antibiotics) Many patients with “sinusitis” have idiopathic facial pain syndrome Complication Ethmoiditis Common in children This is not sinusitis It is a dental infection
Rhinology Epistaxis 1 Aetiology Treatment Idiopathic Trauma Tumours (Coagulopathy) (Hypertension) Treatment First aid/Resusitation Cautery Nasal Packing
Rhinology Epistaxis 2 Anaesthetise prior to cautery
Rhinology Sino-nasal carcinoma and Nasopharyngeal Carcinoma Rare Aetiology Wood dust Nickel dust, Chromium Symptoms Nasal obstruction Scant regular epistaxis
Rhinology Ethmoiditis ENT must be involved. Must be admitted. Potentially serious. Rx: ab, decong +/- surg.
Rhinology Nasal Fracture Septal Haematoma Can be manipulated Consider the rest of head injury and facial skeleton
Rhinology Nasal Fracture Septal Haematoma Soft swelling Must be drained within 12 hours
End of Rhinology Section
Laryngology (Mouth Pharynx Larynx -Throat) Section
Laryngology Anatomy History Examination Investigations Pathology
Laryngology Anatomy 1 Anatomy Mouth
Laryngology Anatomy 2 Anatomy Oropharynx
Laryngology Anatomy 3 Anatomy - Neck
Laryngology Anatomy 4
Laryngology History 1 Dysphagia (wt loss) Dysphonia Neck pain Solid Liquid Dysphonia Neck pain Referred otalgia Haemoptysis (Globus pharyngeus)
Laryngology History 2 Smoking Alcohol
Laryngology Examination 1 Mouth Inspection Start from hard palate and work down Hard Palate Sup alveolar ridge Sup bucco-alveolar sulcus Buccal mucosa Inf bucco-alveolar sulcus Inferior alveolar ridge Floor of mouth Tongue Palpation of above (esp tonge and floor of mouth) Listen to voice Neck
Laryngology Examination 2 Neck (have a system) Intro Ask about pain/tenderness Exposure above clavicles Inspect from front and side Inspect while swallowing Palpate from behind
Laryngology Examination 3 Neck (have a system) Palpate from behind Start from mastoid Down posterior triangle Up posterior border of sternocleiodo-mastoid Down ant border SCM Work up ant triangle including thyroid (ask patient to swallow when at thyroid) Continue working up anterior triangle: feel laryngeal cartilage, hyoid. Sumandibular and submental area. Finish with parotid and preauricular area. If you did feel a lesion further local (percussion of sternum or auscultation), regional & systemic examination may be needed (eg thyroid or other lymph node groups)
Laryngology Examination 4
Laryngology Investigations Bloods TFT Ca Thyroid antibodies FNA CXR USS Neck CT MRI
Laryngology Tonsillitis Sore throat Pyrexia White follicles on tonsils Penicillin Recurrent episodes treat with tonsillectomy (Glandular fever)
Laryngology Quinsy (Peritonsiller abscess) Infection spreads to peritonsiller tissues and can form abscess Asymmetrical swelling Treat with drainage + antibiotics
Laryngology Adenoids
Laryngology Pharynxl/Larynx/Mouth Carcinoma
Laryngology Pharynx Lymphoma No specific local symptoms B symptoms Mucosa usually not ulcerating Check other lymph groups (neck, axilla and inguinal) and spleen
Laryngology Neck lump Various “Benign” Normal structures Reactive lymph nodes Mumps Sebaceous cyst
Laryngology Neck lump various
Laryngology Neck lump Thyroid lump Thyroid lumps move with swallowing Benign Multinodular goitre / Adenoma Malignant –thyroid Dysphonia Dysphagia Metastases Ix Bloods (TFT, Ca, Thyroid Antibodies), FNA, USS/CT Rx Conservative/Medical/Surgical
Laryngology Neck lump Salivary Gland Neoplasia Parotid swellings Mainly benign Usually pleomorphic salivary adenoma Submandibular gland Usually inflammatory
Laryngology Neck lump Thyroglossal Cyst Moves/tethered with/to floor of mouth Before removal check to insure normal thyroid exists Diff diagnosis: Dermoid Lymph node Sebaceous cyst
Laryngology Neck lumps Branchial Cyst Congenital Treatment excision
Laryngology Neck lump Metastatic Neck Nodes Neoplasia Benign (very common) Malignant Primary Carcinoma Lymphoma (common) Secondary metastases (always consider this) Mouth Pharynx Larynx Infraclavicular (lung, breast, stomach)
Laryngology Neck lump TB Usually multiple nodes Cold abscess If draining do so for weeks
Laryngology Larynx Carcinoma Dysphonia / Hoarseness for >3 weeks
Laryngology Larynx Reinke’s Oedema Smoking
Laryngology Larynx Vocal Cord nodules
Laryngology Dysphagia Liquid – neurological Solid – mechanical Tumour Pharyngeal pouch (regurgitation)
Laryngology Dysphonia Dysphonia >3 weeks needs investigation Risk for ca: smoker, drinker. Other suspicious symptoms: wt loss , dysphagia. Benign: Reinke’s Oedema, Nodules, Inhaler laryngitis, Functional Dysphonia Malignant: local (ca), distant bronchogenic ca’ causing recurrent laryngeal nerve palsy
Laryngology Snoring Obstructive Sleep Apnoea Partial obstruction of airway Snoring High BMI Pharyngeal Nasal Recurrent obstruction to airway fragmenting sleep Daytime somnolescence Similar aetiology to snoring Treatment: lifestyle, CPAP, surgery.
Laryngology Larynx Epiglottitis 4 year old drooling toxic child Do nothing! Get other people Go to theatre
Laryngology Acute Airway 1 Stridor. Tachopneic Cyanosis (very late sign) Acute Foreign Bodies Inflammatory Swelling Chronic Tumour. Larynx Bronchous.
Laryngology Acute Airway 2. First Aid. Choking. Foreign Body Baby and adult Heimlich
Laryngology Acute Airway 4 Tracheostomy If first aid measure fail and patients life is in danger consider tracheostomy (crico-thyroidotomy). You will need: Scalpel/Knife Straw/Pen with inner part removed/Paper rolled up
Laryngology Acute Airway 5 Tracheostomy Identify cricothyroid membrane
Laryngology Acute Airway 6 Tracheostomy Horizontal cut. 2cm wide. Deep enough. Insert airway.
Laryngology Acute Airway 3. First Aid. Choking. Foreign Body. Dog
THE END Questions?