ENT Passmedicine Flashcards
What is otosclerosis?
Replacement of normal bone by vascular spongy bone
What kind of deafness does otosclerosis cause?
Progressive conductive deafness
Why do you get deafness in otosclerosis?
The stapes becomes fixed at the oval window
How is otosclerosis inherited?
Autosomal dominantly
When is the typical onset of otosclerosis?
20-40y
What are the clinical features of otosclerosis?
Conductive deafness
Tinnitus
Normal tympanic membrane (10% have flamingo tinge caused by hyperaemia)
+ve FH
How do you manage otosclerosis?
Hearing aid
Stapedectomy
What is Meniere’s disease?
Disorder of the inner ear of unknown cause
What is Meniere’s characterised by?
Excessive pressure and progressive dilation of the endolymphatic system
In which age group is Meniere’s most common?
Middle aged
What are the features of Meniere’s?
Recurrent episodes of vertigo, tinnitus and sensorineural hearing loss
Sensation of aural fullness/pressure
Nystagmus
Positive Romberg test
How long do the symptoms last in episodes of Meniere’s?
minutes to hours
Are symptoms of Meniere’s typically bilateral or unilateral?
Unilateral usually
What is the natural history of Meniere’s?
Symptoms tend to resolve after 5-10 years
Majority are left with hearing loss
What is involved in the management of Meniere’s?
ENT assessment req. for diagnosis
Inform DVLA (cease driving until adequate control of sx)
Rx of acute attacks and prevention
How do you treat acute attacks in Meniere’s?
Buccal/IM prochlorperazine
How do you prevent attacks in Meniere’s?
Betahistine and vestibular rehabilitation exercises
What drugs can cause gingival hyperplasia?
Phenytoin
Ciclosporin
CCB, esp nifedipine
What conditions can cause gingival hyperplasia?
AML
What are complications of tonsillitis?
Otitis media
Quinsy/peritonsillar abscess
Rheumatic fever + GN very rarely
When do NICE recommend tonsillectomy should be considered?
If they meet all of the following:
- Sore throats are due to tonsillitis
- Person has 5+ episodes pa
- Symptoms been occurring for at least 1 year
- Episodes of sore throat are disabling + prevent normal functioning
What are some established indications for a tonsillectomy?
Recurrent febrile convulsions 2ndary to tonsillitis
Obstructive sleep apnoea/stridor/dysphagia due to enlarged tonsils
Quinsy unresponsive to standard Rx
What are the primary complications of tonsillectomy?
Occur within 24h:
- Haemorrhage
- Pain
What are the secondary complications of tonsillitis?
Occur after 24h:
- Haemorrhage (mostly due to infection)
- Pain
Define vertigo
False sensation that the body/environment is moving
List 10 causes of vertigo
Meniere's disease BPPV Acoustic neuroma Viral labyrinthitis Vestibular neuronitis Vertebrobasilar ischaemia Posterior circulation stroke Trauma Otoxoticity MS
What are the things that should stand out in a history that point towards a diagnosis of viral labyrinthitis?
Recent viral infection
Sudden onset
NV
Hearing affected
What are the things that should stand out in a history that point towards a diagnosis of vestibular neuronitis?
Recent viral infection
Recurrent vertigo attacks lasting hours/days
No hearing loss
What are the things that should stand out in a history that point towards a diagnosis of BPPV?
Gradual onset
Triggered by change in head position
Episodes last 10-20s
What are the things that should stand out in a history that point towards a diagnosis of Meniere’s?
Hearing loss
Tinnitus
Vertigo
Sensation of fullness/pressure in one/both ears
What are the things that should stand out in a history that point towards a diagnosis of vertebrobasilar ischaemia?
Elderly patient
Dizziness on extension of neck
What are the things that should stand out in a history that point towards a diagnosis of acoustic neuroma?
Gradual progressive unilateral deafness Vertigo Tinnitus Absent corneal reflex is important sign Facial nerve palsy
With which condition is acoustic neuroma associated?
NF2
What is Ramsay-Hunt syndrome?
Reactivation of the varicella zoster virus in the geniculate ganglion of the 7th cranial nerve
What are the features of Ramsay-Hunt syndrome?
Auricular pain Facial nerve palsy Vesicular rash around hear Vertigo Tinnitus May also get vesicular lesions on anterior 2/3rd of tongue and soft palate
How do you manage Ramsay-Hunt syndrome?
Oral acyclovir
Corticosteroids
What infection is tonsillar SCC associated with?
HPV 16
What are risk factors for tonsillar SCC?
Smoking
High alcohol intake
Poor oral hygiene
Head and neck cancer encompasses what cancers?
Oral cavity cancers
Cancers of the pharynx (oropharynx, nasopharynx, hypopharynx)
Cancers of larynx
What are possible features of a head and neck cancer?
Neck lump
Hoarseness
Persistent sore throat
Persistent mouth ulcer
How quickly do you get an appointment with the suspected cancer pathway referral?
Within 2 weeks
What is the suspected laryngeal cancer pathway referral criteria?
Age 45y+ with:
Persistent unexplained hoarseness or unexplained lump in neck
What is the suspected oral cancer pathway referral criteria?
Unexplained ulceration in the oral cavity >3weeks or persistent or unexplained neck lump
When should you consider urgent referral (2w) for assessment of possible oral cancer by a dentist?
Those with either:
Lump on lip/oral cavity
Red/red-white patches in the oral cavity consistent with erythroplakia/erythroleukoplakia
What is the suspected thyroid cancer pathway referral criteria?
Unexplained thyroid lump
How do you investigate an acoustic neuroma?
MRI
What resources can you use to help you decide whether or not to give antibiotics for a sore throat?
FEVERpain
Centor
These predict whether the sore throat is likely to be bacterial and would benefit from antibiotics
What are the centor criteria?
Tonsillar exudate
Absence of cough
Hx of fever
Cervical lymphadenopathy/lympadenitis
What centor score should you give antibiotics for?
3 or 4
What does a centor 3/4 sore equate to % chance of having a strep throat infection?
40-60%
What does a centor 0/1/2 sore equate to % chance of having a strep throat infection?
80% chance of not having a bacterial throat infection
How should you manage a sore throat?
Paracetamol/ibruprofen
Antibiotics if indicated
When are antibiotics indicated for sore throat?
Centor 3/4 Marked systemic upset Unilateral peritonsillitis Hx rheumatic fever Increased risk from acute infection, e.g. someone with DM/immunodef
What are the FEVERpain criteria?
Fever >38 Pharyngeal/tonsillar exudate Attends rapidly (3 days or less) Severely inflamed tonsils No cough/coryza
What antibiotics should be given for tonsillitis?
Phenoxymethylpenicillin or erythromycin if penicillin allergic for 7-10d
What tends to be the first line investigation for those presenting with hearing difficulties?
Audiograms
How do you interpret an audiogram?
Anything above 20b is normal
Sensorineural deafness - air + bone conduction impaired
Conductive deafness - only air conduction impaired
Mixed hearing loss - air and bone conduction impaired, air worse than bone
What are the causes for otitis externa?
Infection (staph, aureus, pseudomonas, fungi)
Seborrheic dermatitis
Contact dermatitis
What are the features of otitis externa?
Ear pain Itch Discharge Pain on palpation of tragus Conductive hearing loss
What are the otoscopy findings in otitis externa?
Red, swollen, eczematous canal
What do you manage otitis externa in the first instance?
Topical antibiotic and steroid ear drop
Consider removal of ear canal debris
If ear canal is swollen consider ear wick insertion
What are second line management options for otitis externa?
Flucloxacillin (oral) if infection spreading
Swab ear canal
Empirical use of an antifungal
IF PATIENT FAILS TO RESPOND TO TOPICAL ANTIBIOTICS SHOULD BE REFERRED TO ENT
In which groups is malignant otitis externa most common?
Elderly
DM
What happens in malignant otitis externa?
Infection extends into bony ear canal and soft tissues deep to the bony canal
When should you prescribe antibiotics for otitis media?
Symptoms >4 days + not improving
Systemically unwell
Immunocomprised/high risk of complications due to significant heart, lung, kidney, liver or neuromuscular disease
Age <2 with bilateral otitis media
Otitis media w. perforation +/or discharge in the canal
What antibiotic is given for otitis media?
Amoxicillin 5 days
Penicillin allergy: erythromycin/clarithromycin
What is the commonest cause of bacterial otitis media?
H. influenzae
What other organism can cause otitis media?
Strep pneumoniae
Moraxella catarrhalis
What is Ludwig’s angina?
Cellulitis on the floor of the mouth
Deadly as it spreads in the fascial spaces of the head and neck
Swelling pushes on floor of mouth upwards and can block airway
What are risk factors for Ludwig’s angina?
Immunocompromise
Poor denition
Pericoronitis
What is pericoronitis?
Inflammation around a partially erupted wisdowm tooth
What are the three salivary glands called?
Parotid
Submandibular
Sublingual
What kind of secretions come from the parotid glands?
Serous
What kind of secretions come from the submandibular glands?
Mixed
What kind of secretions come from the sublingual glands?
Mucous
In which salivary gland do most tumours arise?
Parotid
Which salivary glands are most commonly blocked by stones?
Submandibular
What are the most common parotid tumours?
Pleomorphic adenomas
What is the typical hx of a pleomorphic adenoma?
Middle aged
Slow growing, painless lump
How do you manage a pleomorphic adenoma?
Superficial parotidectomy
What is the major risk of a superficial parotidectomy?
CNVII damage
What is the second most common parotid tumour?
Warthin’s tumour
What is the typical hx of a Warthin’s tumour?
Male, middle aged
Soft, mobile and fluctuant mass
What is a typical hx of a stone lodging in the salivary gland ducts?
Recurrent unilateral pain and swelling on eating
If becomes infected may –> Ludwig’s angina
How do you investigated a suspected stone in the salivary glands ducts?
Plain xray
Sialography
How are blocked salivary ducts managed?
Surgery
What things apart from tumours and stones can cause salivary gland enlargement?
Acute viral infections, e.g. mumps
Acute bacterial infection
Sicca syndrome
Sjogrens
What are the two types of epistaxis?
Anterior bleed - visible source of bleeding
Posterior bleed - tends to be more profuse, due to damage of deeper structures
Where do anterior bleeds tend to be from?
Kiesselbach’s plexus (little’s area - where 4 arteries come together)
What is the most common cause of epistaxis?
Trauma to nose (insertion of FB, nose picking, nose blowing)
What might recurrent epistaxis indicate?
Platelet disorders (e.g. thrombocytopenia, splenomegaly, leukaemia, ITP)
Juvenile angiofibroma (benign highly vascularised tumour)
Granulomatosis with polyangiitis
Pyogenic granuloma
In epistaxis, what may an atrophied nasal septum indicate?
Cocaine use - cocaine is a powerful vasoconstrictor and may lead to obliteration of the septum
How do you manage epistaxis?
Lean forward, mouth open
Pinch cartilaginous area of nose for 15m and breath through mouth
If this is successful use antiseptic e.g. Naseptin to reduce crusting and risk of vestibulitis
If bleeding doesn’t stop within 10-15m of continuous pressure on the nose, what management should be considered?
Cautery (source of bleeding isolated)
Packing and admit to secondary care
What is Naseptin a combination of?
Chlorhexidine and neomycin
What are CI to naseptin?
Peanut, soy or neomycin allergies
Can cause mupirocin as alternative
What patients might you consider follow up care even if bleeding is halted by pressure?
Co-morbidity (e.g. severe HTN, CAD)
Underlying cause suspected
<2y (more at risk of haemophilia, leukaemia)
Describe how to carry out cautery
Blow nose to remove clots
Use topical anaesthetic spray + wait 3-4m to take effect
Identify bleeding point + apply silver nitrate stick until it becomes grey-white
ONLY cauterise 1 side of septum due to risk of perforation
Dab area with naseptin/muciprocin
Describe the process of packing for epistaxis
Use topical LA + wait 3-4m
Pack nose while patient sits forward
Ex nose/mouth for continued bleeding
Admit to hospital for review by ENT
Which patients should be immediately referred into ED with epistaxis?
Haemodynamically unstable or compromised
Bleeding from unknown posterior source
What self-care advice should be given re. the risk of another bleed?
Avoid blowing/picking nose, heavy lifting, exercise, lying flat, drinking alcohol or hot drinks
What sore symptoms do you get in infectious mononucleosis?
Pharyngitis and tonsillitis
Why should you not give penicillin in glandular fever?
Will cause a reash
What may indicate quinsy in a sore throat?
Unilateral swelling and fever
What pathogen causes >50% of sore throats?
Streptococcus pyogenes
What is the appearance of the tonsils in bacterial tonsillitis?
Oedematous, yellow or white pustules
How can you distinguish vestibular neuronitis from viral labyrinthitis?
Hearing is unaffected in vestibular neuronitis
What are complications of thyroid surgery?
Recurrent laryngeal nerve damage
Bleeding - due to confined space haematomas may lead to respiratory compromise
Parathyroid gland damage –> hypocalcaemia
What ECG sign do you see with hypocalcaemia?
Prolonged QT interval
What otoscopy findings do you get with otitis media?
Bulging tympanic membrane
What is the biggest risk factor for malignant otitis externa?
DM
What causes most causes of malignant otitis externa?
Pseudomonas aeruginosa
What can malignant otitis externa progress to?
Temporal bone osteomyelitis
What are the key features of malignant otitis externa in the history?
DM/immunosuppression Severe, unrelenting, deep seated otalgia Temporal headaches Purulent otorrhoea Dysphagia/hoarseness/facial nerve dysfunction
How do you diagnose malignant otitis externa?
CT
How do you manage malignant otitis externa?
NON-RESOLVING OTITIS EXTERNA WITH WORSENING PAIN SHOULD BE REFERRED URGENTLY TO ENT
IV antibiotics usually req.
What causes acute otitis externa?
Boil in external auditory meatus
What causes chronic otitis externa?
Usually combined staph and fungal infection (req. antibacterial and antifungal ear drops)
What is acute suppurative otitis media?
Viral induced middle ear effusion secondary to eustachian tube dysfunction
What are the features of acute suppurative otitis media?
Usually in children
Severe pain
Fever
Discharge if tympanic membrane ruptures
How do you treat acute suppurative otitis media?
Amoxicillin
What causes chronic suppurative otitis media?
Cholesteatoma with perforation of pars flaccida
No cholesteatoma + perforation of pars tensa
What are the symptoms of chronic suppurative otitis media?
Without cholesteatoma - intermittent non-offensive discharge
With cholesteatoma - impaired hearing, foul discharge
How do you manage chronic suppurative otitis media?
Without cholesteatoma - non-operative/myringoplasty
With cholesteatoma - radical mastoidectomy
What are pre-auricular sinuses?
Common congenital condition in which an epithelial defect forms around the external ear
How do you treat pre-auricular sinuses?
Small - no Rx
Deeper - may become blocked and infected so can be difficult to excise
What is exostosis?
Benign bony growth in EAC
What causes exostosis?
Repeated exposure to cold water and wind
What two tests can you use to differentiate between sensorineural and conductive hearing loss?
Rinne’s
Weber’s
What is Rinne’s test?
Tuning fork placed on mastoid process and over acoustic meatus
+ve: AC > BC (normal)
-ve: BC>AC (conductive deafness)
What is Weber’s test?
Tuning form place on forehead
Asked which sound is loudest
Unilateral sensorineural deafness - localises to unaffected side
Unilateral conductive deafness - localises to affected side
What should you do if someone has undergone neck surgery and develops post-operative stridor?
Urgent removal of stiches and call for senior help
May be due to post-op bleed –> pressure behind suture line compresses trachea
What are the most common causes of hearing loss?
Ear wax
Otitis media
Otitis externa
What is presbycusis?
Age related sensorineural hearing loss
What do you see on the audiogram in presbycusis?
Bilateral high frequency hearing loss
What is glue ear?
Otitis media with effusion
When is glue ear most common?
Age 2
How does glue ear present?
Hearing loss (conductive hearing loss) Secondary problems, e.g. speech and language delay, behavioural or balance problems
What drugs can cause hearing loss through ototoxicity?
Aminoglycosides, e.g. gentamicin Furosemide Aspirin Cytotoxic agents Quinine
What kind of hearing loss is seen with noise damage?
Bilateral
Typically worse at frequencies of 3000-6000Hz
If the acoustic neuroma is affecting cranial nerve 8 what signs will you see?
Hearing loss
Vertigo
Tinnitus
If the acoustic neuroma is affecting cranial nerve 5 what signs will you see?
Absent corneal reflex
If the acoustic neuroma is affecting cranial nerve 7 what signs will you see?
Facial palsy
What can cause a perforated tympanic membrane?
Infection (most common)
Barotrauma
Trauma
What are the clinical features of a perforated tympanic membrane?
Hearing loss depending on size
Increased risk of otitis media
How do you manage a perforated tympanic membrane?
Should heal spontaneously within 6-8w
Antibiotics for perforations due to acute otitis media
Myringoplasty if failure to spontaneously heal
What advise should you give patients with a perforated ear drum?
Keep it dry if possible
What % of the population have nasal polyps?
1%
What things are associated with nasal polyps?
Asthma Aspirin sensitivity Infective sinusitis CF Kartagener's syndrome Churg-strauss syndrome
What are the clinical features of nasal polyps?
Nasal obstruction
Rhinorrhoea, sneezing
Poor sense of taste and smell
How do you manage nasal polyps?
Referral to ENT
Topical corticosteroids shrink polyps
What is samter’s triad?
Asthma
Aspirin sensitivity
Nasal polyps
What would you expect in the hx of a lymphoma?
Rubbery, painless lymphadenopathy
Night sweats
Splenomegaly
What would you expect on hx of thyroid swelling?
Moves upwards on swallowing
May be hypo/hyper/euthyroid
What would you expect in the hx of a thyroglossal cyst?
<2oy
Midline, between isthmus of thyroid and hyoid bone
Moves upwards with protrusion of tongue
May be painful if infected
What is a typical hx of pharyngeal pouch?
Older men most commonly Midline lump that gargles on palpation Dysphagia Regurgitation Aspiration Halitosis Chronic cough
What is a pharyngeal pouch?
Posteriomedial herniation between thyropharyngeus and cricopharyngeus muscles
What is a cystic hygroma?
Congenital lymphatic lesion on neck, classically the left side(transilluminates, and is soft and painless)
What is a branchial cyst?
Oval, mobile cystic mass that develops between the SCM and pharynx
What causes a branchial cyst?
Failure of obliteration of the second brachial cleft in embryonic development
When do branchial cysts tend to present?
Early adulthood
Who are cervical ribs most common in?
Adult females
What do 10% of those with cervical rib develop?
Thoracic outlet syndrome
What is a typical hx of a carotid aneurysm?
Pulsatile lateral neck mass which doesn’t move on swallowing
What is a cholesteatoma?
Non-cancerous growth of squamous epithelium trapped in the skull base causing local destruction
At what age is cholesteatoma most common?
10-20y
What condition increases the risk of developing cholesteatoma?
Cleft palate
What are the features of cholesteatoma?
Foul smelling, nonresolving discharge
Hearing loss
Symptoms due to local invasion -
Vertigo
Facial nerve palsy
Cerebellopontine angle syndrome
What do you see on otoscopy with cholesteatoma?
Attic crust seen in uppermost part of ear drum
How do you manage cholesteatoma?
Referral to ENT for surgical removal
What is SCC of the nasopharynx associated with?
EBV
What are the presenting features of nasopharyngeal carcinoma?
Cervical lymphadenopathy Otalgia Unilateral serous otitis media Nasal obstruction, discharge Epistaxis Cranial nerve palsies
What imaging should be done for suspected nasopharyngeal carcinoma?
CT and MRI
What is the first line treatment for nasopharyngeal carcinoma?
Radiotherapy
Which ethnicity is most affected by SCC of the nasopharynx?
Asian
List causes of hoarseness
Voice overuse Smoking Viral illness Hypothyroidism GOR Laryngeal cancer Lung cancer
What investigation should be done when investigating hoarseness?
CXR to exclude apical lung lesions
What are features of mastoiditis?
Ear displaced anteriorly Swelling, erythema and tenderness over mastoid process Systemically unwell Pain behind ear Fever Hx of recurrent otitis media
What are acute complications of otitis media?
Meningitis
Mastoiditis
Facial nerve paralysis
What are the criteria for 2 week wait referrals to oral surgery?
Unexplained oral ulceration/mass >3w
Unexplained red/red/white patches that are painful, swollen or bleeding
Unexplained one sided pain in head/neck region >w associated with ear ache and no abnormal otoscopy findings
Unexplained recent neck lump/prev. undiagnosed lump that has changed over a period of 3-6w
Unexplained persistent sore throat
Sx/sx in oral cavity >6w that cannot be diagnosed as benign
In who should we have an increased level of suspicion for oral cancer?
Patients who are >40, smokers, heavy drinkers and chew tobacco/betel nut
List 7 causes of tinnitus
Impacted ear wax Chronic suppurative otitis media Drugs (aspirin, aminoglycosides, loop diuretics, quinine) Hearing loss Acoustic neuroma Otosclerosis Meniere's
What % of salivary gland tumours are benign?
80%
What is a pleomorphic adenoma a proliferation of?
Epithelial and myoepithelial cells and stromal components
What cancer does pleomorphic adenoma most commonly transform into?
Carcinoma ex-pleomorphic adenoma
How does Warthin’s tumour present?
Lymphocytic infiltrate and cystic epithelial proliferation
Is malignant transformation common in Warthin’s tumour?
Very rare
What kind of cells do monomorphic adenomas consist of?
Just one morphological cell type (e.g. basal cell, canalicular cell..)
What is the most common parotid tumour in <1y?
Haemangioma
Name the benign parotid tumours
Pleomorphic adenoma
Warthins tumour
Monomorphic adenoma
Haemangioma
What are the malignant parotid tumours?
Mucoepidermoid carcinoma Adenoid cystic carcinoma Mixed tumours Acinic cell carcinoma Adenocarcinoma Lymphoma
How do you diagnose parotid tumours?
Plain x-ray Sialography FNAC Superficial parotidectomy (can be diagnostic or therapeutic) CT/MRI for staging
How do you treat parotid tumours?
Surgical resection (if benign superficial parotidectomy, if malignant may need radical parotidectomy and neck dissection if nodal involvement)
How might HIV affect the parotids?
Lymphoepithelial cysts may occur in parotid
Typically bilateral, multicystic symmetrical swelling
What is Sjogren’s syndrome?
Autoimmune condition with parotid enlargement, xerostomia, keratoconjunctivitis sicca
How are the parotids affected by Sjogren’s?
Bilateral, non-tender enlargement of gland usually
How might the parotid glands be affected in sarcoidosis?
Bilateral usually
Non-tender gland
May also get xerostomia
What is allergic rhinitis?
Inflammatory disorder of nose where nose becomes sensitised to allergens
What are common allergens in allergic rhinitis?
Tree, grass and weed pollens
House dust mite
How can you classify allergic rhinitis?
Seasonal - symptoms at same time every year
Perennial - symptoms throughout the year
Occupational - due to particular allergens in the work place
What are the features of allergic rhinitis?
Sneezing Bilateral nasal obstruction Clear nasal discharge Post-nasal drip Nasal pruritus
What is the management of allergic rhinitis?
Allergen avoidance
Mild-moderate symptoms: oral/intranasal antihistamines
Mod-severe symptoms: intranasal corticosteroids
occasionally may need short courses of oral corticosteroids/topical decongestants
Why should intranasal decongestants not be used for long periods?
Increasing doses are req. to give same effect = tachyphylaxis
Rebound hypertrophy of nasal mucous may occur on withdrawal
What are the features of vestibular neuronitis?
Recurrent vertigo attacks lasting hrs/days
NV
Horizontal nystagmus
How do you manage vestibular neuronitis?
Vestibular rehab exercises
Buccal/IM prochlorperazine for rapid relief
Antihistamine may be used for less severe cases
What is sinusitis?
Inflammation of the mucous membranes of the paranasal sinuses
What are the most common infective agents seen in sinusitis?
Strep pneumoniae
H. influenzae
Rhinoviruses
What factors predispose to sinusitis?
Nasal obstruction, e.g. septal deviation, nasal polyps
Recent local infection, e.g. rhinitis, dental extraction
Swimming/diving
Smoking
What are the features of sinusitis?
Facial pain, worse on bending forward
Thick and purulent nasal discharge
Nasal obstruction
How do you manage acute sinusitis?
Analgesia
Intranasal decongestants/saline
Intranasal corticosteroids if symptoms present 10+ days
Phenoxymethylpenicillin if severe presentation or co-amoxiclav if systemically unwell/at high risk of complications
Should a tonsillectomy be considered for quinsy?
Yes - but 6w after episode
What are the features of quinsy?
Severe throat pain, lateralising to one side
Deviation of the ulna to unaffected side
Trismus (difficulty opening mouth)
Reduced neck mobility
How do you manage quinsy?
Urgent ENT review
Needle aspiration or incision and drainage with IV antibiotics
What are branchial cysts filled with?
Acellular fluid containing cholesterol crystals, encapsulated by stratified squamous epithelium
What are typical Ex features of a branchial cyst?
Unilateral, usually on left Lateral, ant. to SCM Slowly enlarging Smooth, soft, fluctuant Non-tender Fistula may be present No movement on swallowing No transillumination
How should you investigate a branchial cyst?
US
Referral to ENT
FNAC
How are branchial cysts managed?
Conservatively or surgery
For very mild otitis externa what is an alternative treatment option?
Topical acetic acid 2% spray
List some causes of facial pain
Sinusitis
Trigeminal neuralgia
Cluster headache
Temporal arteritis
What are the characteristic features of sinusitis?
Facial fullness and tenderness
Nasal discharge, pyrexia, post-nasal drip leading to cough
What are the characteristic features of trigeminal neuralgia?
Unilateral facial pains that are brief and electric shock-like, abrupt in onset and termination
Triggered by light touch and emotion
What are the characteristic features of cluster headache?
Pain 1/2x per day, lasting 15m-2h
Clusters typically last around 4-12w
Intense pain around 1 eye
Accompanied by redness, lacrimation, lid swelling, nasal stuffiness
What are the characteristic features of temporal arteritis?
Tender around temples
Raised ESR
What is sialadenitis?
Inflammation of the salivary gland usually due to obstruction by an impacted stone
How do you manage primary haemorrhage after a tonsillectomy?
Immediate return to theatre
How long may patients experience pain after a tonsillectomy?
Pain may increase for up to 6 days post-op
How do you treat a secondary haemorrhage post-tonsillectomy?
Admission and IV antibiotics
If you identify sensorineural hearing loss what drug can you give that may potentially be of some benefit?
High dose steroids for 7 days may improve prognosis
Most sensorineural hearing loss is idiopathic
What is labyrinthitis?
Inflammatory disorder of membranous labyrinth affecting both the vestibular and cochlear end organs
What are the types of labyrinthitis?
Viral, bacterial or associated with systemic disease
What is a typical presentation of viral labyrinthitis?
Acute onset of - Vertigo: exacerbated by movement NV Hearing loss Tinnitus Preceding/concurrent symptoms of a URTI
What are the signs of viral labyrinthitis?
Unidirectional horizontal nystagmus Sensorineural hearing loss Abnormal head impulse test Gait disturbance: patient may fall towards affected side Normal skew test
How do you diagnose viral labyrinthitis?
Hx, Ex
In most pts Ix aren’t req.
What investigations can you do in viral labyrinthitis if diagnosis is uncertain?
Pure tone audiometry
FBC, BC
Temporal bone CT scan (if suspecting mastoiditis/cholesteatoma)
MRI
Vestibular function testing: helpful in difficult cases or in determining prognosis
What is the most commonly used antibiotic/steroid topical preparation used for otitis externa?
Gentamicin and hydrocortisone
What kind of nervous activity causes the submandibular glands to produce more serous secretions?
Parasympathetic
What is sialothiasis?
Stone formation in the salivary gland ducts
What are the stones formed in sialothiasis usually composed of?
Calcium phosphate or calcium carbonate
What are the typical symptoms of sialothiasis?
Colicky pain
Prandial swelling of the gland
Halitosis
Dry mouth
How do you investigate sialothiasis?
Sialography
How do you manage sialothiasis?
If in distal aspect of Whartons duct may be removed orally
Other stones and chronic inflammation usually req. gland excision
What most commonly causes sialadenitis?
Staph aureus
What are the signs of sialadenitis?
Pus leaking from duct
Erythema
What is a serious complication of sialadenitis?
Submandibular abscess (may spread through other deep fascial spaces + occlude airway)
How do you diagnose submandibular tumours?
FNAC
Imaging with CT/MRI
What are the clinical features of BPPV?
Vertigo triggered by change in head position
Associated nausea
Lasts 10-20s
What age of onset of BPPV is most common?
55y
What is the prognosis of BPPV?
Good - usually resolves spontaneously after a few weeks/mouths
Recurrence in 50%
What are the management options for BPPV?
Epley manoeuvre (successful in 80%)
Vestibular rehabilitation exercises
Betahistine is of limited vlalue
How do you diagnose BPPV?
Dix-Hallpike manoeuvre
What is gingivitis usually secondary to?
Poor dental hygiene
What is the spectrum of presentations of gingivitis?
Simple gingivitis (painless, red, swelling of gum margin which bleeds on contact) to acute necrotizing ulcerative gingivitis (painful bleeding gums with halitosis and punched out ulcers on the gyms)
How do you manage simple gingivitis?
Advise to seek regular rv with dentist
How do you manage acute necrotizing ulcerative gingivitis?
Refer to dentist, in meanwhile, oral metronidazole for 3 days, chlorhexidine/hydrogen peroxide mouthwash
Simple analgesia
What is a nasal septal haematoma?
Development of a haematoma between the septal cartilage and overlying perichondrium
What may cause a nasal septal haematoma?
Relatively minor trauma may precipitate it
What are the symptoms of a nasal septal haematoma?
Nasal obstruction
Pain
Rhinorrhoea
What are the signs of a nasal septal haematoma?
Bilateral, red swelling arising from the nasal
Gently prod it and it will be boggy if it is a haematoma
How do you manage a nasal septal haematoma?
Surgical drainage
IV antibiotics
What can happen if a nasal septal haematoma is left untreated?
Irreversible septal necrosis may develop within 3-4 days
Due to pressure related ischaemia in the cartilage
–> saddle nose deformity
What is rhinitis mediacmentosa?
Rebound nasal congestion brought on by extended use of topical decongestants
How do you manage rhinitis mediacmentosa?
Remove offending nasal spray
Saline nasal sprays may help
What are risk factors for vertebrobasilar ischaemia?
CV disease
What causes vertebrobasilar ischaemia?
Atherosclerosis in the vertebrobasilar distribution exacerbated by changes in head position –> ischaemia and symptoms
Why is mastoiditis a medical emergency?
Due to potential risk of meningitis
May also cause cranial nerve palsies, hearing loss, OM, and carotid artery spasm
What causes acute mastoiditis?
Acute otitis media spreads out from the middle ear
Recurrent unilateral epistaxis is a red flag for what condition?
Nasal cancer