Adenoid Hypertrophy

Adenoid Hypertrophy

notion image
  • Age Group:
    • Affects individuals aged 7-15 years.
    • Adenoids normally regress after 15 years.
    • Tonsils persist with age.

Presentation:

  • Nasal obstruction/Sinusitis.
  • Mouth breathing.
  • Adenoid facies:
    • Pinched-in nose.
    • Hitched up upper lip.
    • Crowded upper teeth.
    • High-arched palate.
  • Middle ear disease:
    • B/L Serous otitis media/glue ear (most common).
    • Acute suppurative otitis media.
    • Chronic suppurative otitis media.
    • Hearing loss can be present.
  • Obstructive sleep apnea (OSA):
      • Breathing stops for ≥ 10 seconds during sleep.
      • Caused by
        • Obstruction from relaxed pharyngeal muscles &
        • Tongue falling back.
  • Rhinolalia clausa:
    • A nasal twang in the voice.
    • Rhinolalia aperta
      • notion image

Diagnosis:

  • Postnasal examination
  • Endoscopy (invasive)
    • notion image

      Grading (by choanal space occupied):

      notion image

X-ray (investigation of choice in children):

  • Lateral view is used.
    • Measures airway space between skull base and palate.
    • notion image

Treatment:

  • Grade I or II:
    • Conservative treatment.
  • Grade III or IV with symptoms:
    • Surgery (adenoidectomy).

Historical method:

  • Cold instruments
    • St. Clair Thompson adenoid curette
      • notion image

Current methods:

Rose’s Position
Rose’s Position
  • Hot instruments
    • Coblation, radiofrequency, microdebrider with endoscopy.

Indications for Adenoidectomy:

  • Nasal obstruction.
  • Sleep apnoea.
  • Sinusitis.
  • Middle ear disease.
  • Rhinolalia clausa:
    • A nasal twang in the voice.
    • Rhinolalia aperta
      • notion image

Contraindications for Adenoidectomy:

  • Velopharyngeal insufficiency (e.g., in cleft palate).
  • Acute adenoiditis.
  • Acute URTI

Complications of adenoidectomy

  • Hemorrhage (most common)
  • Unmasking of velopharyngeal insufficiency
  • Hypernasality

Triads

notion image
notion image
  • Gradenigo's Syndrome:
    • Petrous apicitis
        1. Persistence of ear discharge (after cortical mastoidectomy)
        1. Deep seated retro-orbital painD/t CN 5
        1. Diplegia - Lateral rectus palsy due to CSOM → D/t CN 6
    • Mnemonic: Pettennu (Petrositis) Granede (Gradenigo) 5,6 thavana itt → Kannilum cheviyilum kond → Eye pain + ↓ movement - case eduth(CSOM)
  • Sampter's triad
    • (Mnemonic: AAP): SAM → MAS → AS, AS, NAS
      • AS - Asthma
      • AS - Aspirin intolerance (& other NSAIDS that block COX1)
      • NAS - Nasal polyp (Ethmoidal)
  • Trotter's Triad
    • Diagnostic of Nasopharyngeal Carcinoma
    • NPC
      • Temporoparietal neuralgia.
      • Palatal paralysis.
        • CN 10
        • Tensor and Levator Veli Palatini involvement
      • Unilateral conductive hearing loss.

  • CSOM → Lateral sinus thrombophlebitis signs
    • notion image
    • Hectic picket fence type
      • Intermittent septic emboli enter bloodstream
      • Fever + rigors
      • Fever does not touch baseline
    • Tobey-Ayre's test:
      • Compression of IJV on healthy side raises CSF pressure.
      • Mnemonic: Tobey has lot of pressure in his head
    • Crowe-Beck test:
      • Pressure on IJV on healthy side causes engorgement of retinal veins.
      • Mnemonic: Crow with red eyes
    • Griesinger sign
      • Mastoid emissary veins cannot drain
      • Edema and bluish discoloration of the mastoid
      • Similar to battle sign
      • Mnemonic: Blue color grease
        • notion image

  • Grisel syndrome:
    • Seen in Downs
    • Non-traumatic inflammatory atlanto-axial subluxation
      • Neck stiffness
      • Torticollis
      • Severe neck pain
    • Due to paraspinal spasm from inflammation
      • notion image

Tonsil

I. Embryology & Development

  • Origin: 2nd pharyngeal pouch
    • Crypta magna
      • Largest
      • remnant of 2nd pouch
  • Present at birth
  • Max size by 12 yrs

II. Bed of Tonsil

notion image
notion image
notion image
notion image
  1. 9th nerve (Glossopharyngeal nerve)
      • Injury (Tonsillectomy)
      • Referred pain to middle ear
      • Supplied by tympanic branch of IXth nerve
  1. Peritonsillar space
      • Infection (Quinsy) → Displaces tonsil medially
  1. External palatine/paratonsillar vein
      • Main source of hemorrhage post tonsillectomy
        • notion image
  1. Superior constrictor muscle
      • muscular bed
      • Forms bed of tonsil
  1. Parapharyngeal space
      • Divided by styloid process
      • Contains styloglossus muscle

III. Arterial Supply (ECA branches)

notion image
  • Lingual arterydorsal lingual branches
  • Facial artery
    • Tonsillar branch (main supply)
    • Ascending palatine artery
  • Ascending pharyngeal arterytonsillar branches
  • Maxillary arterydescending palatine artery

Clinical Note:

  • Ligation of lower pole arterial supply (facial artery branches)
    • reduces tonsillectomy hemorrhage

IV. Lymphatic Drainage

  • Drains to upper deep cervical lymph nodes
  • Mainly to tonsillar (jugulodigastric) node

Tonsillitis

Etiology:

  • M/C cause
    • Group A Beta Hemolytic Streptococcus
    • Possesses cross-reactive antigen
    • Leads to immune-mediated complications
      • Myocardium
        • Myocarditis
        • Rheumatic fever
      • Glomerulus
        • Glomerulonephritis
      • Joints
        • Polyarthritis

Types:

  • Acute: < 4 weeks.
  • Chronic: >12 weeks

Acute Tonsillitis

notion image
notion image
  • Acute superficial:
    • Infection limited to superficial mucosa.
    • Presents only with redness, no enlargement.
  • Acute follicular:
    • Crypts blocked with pus.
    • Whitish yellow dots on tonsil surface.
  • Acute membranous:
    • Pearly white membrane on tonsils.
    • Composed of dead tissues, debris, and bacteria.
  • Acute parenchymal:
    • Infection reaches parenchyma.
    • Tonsils become red and enlarged, may meet in the midline.

Membranous Tonsillitis vs Diphtheria

Feature
Membranous Tonsillitis
Diphtheria
Membrane Type
True membrane
Pseudomembrane
Colour
Pearly white.
Dirty white/greyish.
Spread
Limited to the tonsil.
Spreads to adjacent sites.
Bleeding on Peeling
• Underlying surface will not bleed.
Will bleed.
Toxic features
Bull neck
Investigation
Throat-swab microscopy
Club shaped gram positive rods.
Complication :
Respiratory obstruction,
↳ d/t membrane dislodgment.
Myocarditis, arrhythmia
Peripheral neuritisPalatal palsy
notion image

Chronic Tonsillitis

  • Chronic follicular:
    • Infection in crypts.
    • Enlarged tonsils with yellow pus.
  • Chronic parenchymatous:
    • Infection in parenchyma.
    • Tonsils are enlarged.
  • Chronic fibroid:
    • Fibrosis due to antigen-antibody reaction.
    • Tonsil decreases in size, becomes firm.

Irwin Moore test:

  • Differentiates chronic fibroid from normal tonsil.
  • Pressure on crypts with a probe causes pus to ooze
  • Mnemonic: Irukki more and more njekkumbo → more and more Pazhupppu varum

Symptoms

  • Fever (can be very high-grade).
  • Sore throat.
  • Difficulty in swallowing (with drooling).
  • Halitosis.
  • Earache (referred otalgia via glossopharyngeal nerve).

NOTE: Referred Otalgia

Lesion Site
Nerve involved in referred pain
Oral lesions /dental caries
5th nerve (V3)
Oropharyngeal lesions / Tonsil
9th nerve (Glossopharyngeal)
Hypopharyngeal & Laryngeal lesions
10th nerve (Vagus)

Tonsillectomy Indications

Absolute indications:

  • Malignancy of the tonsil.
  • Obstructive sleep apnea (OSA):
    • Large tonsils cause oropharyngeal obstruction.
    • Can lead to
      • Chronic hypoxia
      • Pulmonary hypertension
      • Right ventricular hypertrophy (RVH)
        • Cor pulmonale
    • Adenotonsillectomy is the gold standard for children with OSA.

Relative indications:

  • Recurrent tonsillitis:
    • 7+ episodes in 1 year.
    • 5+ episodes in 2 years.
    • 3+ episodes in 3 years.
  • Chronic tonsillitis.
  • Second attack of quinsy/peritonsillar abscess.
  • Streptococcal infection (to prevent long-term complications).
  • Tonsillitis causing febrile seizures, cardiac disease, and IGA nephropathy.

Non-tonsillar indications:

  • Excision of the styloid process (trans oral).
  • Glossopharyngeal neuralgia.
  • Laser UPPP (uvulopalatopharyngoplasty).
    • Done for snoring

Methods of Tonsillectomy

Cold method

  • Dissection & snare (most common)
  • Microdebrider
    • notion image

Hot method

  • Coblation
    • notion image
  • Laser
  • Cautery

Types of Tonsillectomy

  • Extracapsular:
    • Tonsil & capsule removed
    • Indication: Infectious
  • Intracapsular:
    • Part of tonsil removed
    • Indication: Obstructive
    • Preferred in cold (as less post operative pain)
notion image

Complications of Tonsillitis

  • Streptococcal complications:
    • Rheumatic fever.
    • Acute glomerulonephritis.
    • Subacute bacterial endocarditis.
  • Abscesses:
    • Peritonsillar abscess.
    • Parapharyngeal abscess.
    • Retropharyngeal abscess.

Complications of Tonsillectomy

  • Primary hemorrhage:
    • Occurs during surgery.
    • Due to Paratonsillar/peritonsillar vein or tonsillar artery.
  • Reactionary hemorrhage:
    • Within 24 hours after surgery.
    • Due to a slipped ligature.
    • Requires immediate re-exploration.
  • Secondary hemorrhage:
    • Occurs 24 hours to 14 days after surgery.
    • Can be secondary to infection.
    • Treat with antibiotics first
      • re-explore if bleeding persists.

Absolute Contraindications of Tonsillectomy

  • Hemoglobin < 10 g%
  • Age < 3 years
  • Acute upper respiratory tract infection (Including acute tonsillitis)
  • Polio epidemic
  • Submucous cleft palate
  • Bleeding disorders
  • During menstruation

Juvenile Nasopharyngeal Angiofibroma and Nasopharyngeal Cancer

notion image
notion image

Important Information:

  • Unilateral serous otitis media in an adult:
    • Suspect nasopharyngeal cancer.
  • Unilateral serous otitis media in a teenage boy:
    • Suspect juvenile nasopharyngeal angiofibroma.
  • Most common lymph node in NPC:
    • HO's triangle.
      • Medial end of clavicle
      • Lateral end of clavicle
      • Junction of neck with shoulder

Nasopharyngeal Cancer

notion image

Etiology:

  • Chinese population (genetic susceptibility).
    • Guandong cancer
  • Common in northeast India.
  • Epstein Barr virus.
  • Environment: Smoking, nitrosamines.

Serological Markers:

  • EBV IgA Viral capsid Antigen (screening).
  • EBV IgA early antigen (IgEA) (specific).

Most Common Presentation:

  • Orgin from Fossa of Rossenmuller
  • M/c Presentation:
    • Painless Cervical lymph node enlargement.
    • First node affected: retropharyngeal node.
      • notion image

Spread of NPC:

notion image
Boundary / Relation
Description
Anteriorly
Nasal cavity
Superiorly
Base of skull, cranial cavity
Between superior constrictor and skull base
LATA
Lateral / posterior parapharyngeal space
Involves 9th, 10th, 11th CN

Cranial Nerve Involvement:

  • Can involve CN 2, 3, 4, 5, 6, 9, 10, 11.
  • Horner's syndrome can occur.
  • Jugular foramen syndrome can occur.

Diagnosis:

  • Biopsy is primary.
  • Often well-differentiated squamous cell carcinoma.
  • Poor prognostic variants: verrucous, papillary.

Triads

notion image
notion image
  • Gradenigo's Syndrome:
    • Petrous apicitis
        1. Persistence of ear discharge (after cortical mastoidectomy)
        1. Deep seated retro-orbital painD/t CN 5
        1. Diplegia - Lateral rectus palsy due to CSOM → D/t CN 6
    • Mnemonic: Pettennu (Petrositis) Granede (Gradenigo) 5,6 thavana itt → Kannilum cheviyilum kond → Eye pain + ↓ movement - case eduth(CSOM)
  • Sampter's triad
    • (Mnemonic: AAP): SAM → MAS → AS, AS, NAS
      • AS - Asthma
      • AS - Aspirin intolerance (& other NSAIDS that block COX1)
      • NAS - Nasal polyp (Ethmoidal)
  • Trotter's Triad
    • Diagnostic of Nasopharyngeal Carcinoma
    • NPC
      • Temporoparietal neuralgia.
      • Palatal paralysis.
        • CN 10
        • Tensor and Levator Veli Palatini involvement
      • Unilateral conductive hearing loss.

  • CSOM → Lateral sinus thrombophlebitis signs
    • notion image
    • Hectic picket fence type
      • Intermittent septic emboli enter bloodstream
      • Fever + rigors
      • Fever does not touch baseline
    • Tobey-Ayre's test:
      • Compression of IJV on healthy side raises CSF pressure.
      • Mnemonic: Tobey has lot of pressure in his head
    • Crowe-Beck test:
      • Pressure on IJV on healthy side causes engorgement of retinal veins.
      • Mnemonic: Crow with red eyes
    • Griesinger sign
      • Mastoid emissary veins cannot drain
      • Edema and bluish discoloration of the mastoid
      • Similar to battle sign
      • Mnemonic: Blue color grease
        • notion image

  • Grisel syndrome:
    • Seen in Downs
    • Non-traumatic inflammatory atlanto-axial subluxation
      • Neck stiffness
      • Torticollis
      • Severe neck pain
    • Due to paraspinal spasm from inflammation
      • notion image

Juvenile Nasopharyngeal Angiofibroma (JNA)

notion image
notion image
notion image
  • Nature: Common benign tumor, locally aggressive.
  • Vascularity: Extremely vascular
  • Origin: Sphenopalatine foramen
  • Affects pubertal males; testosterone-dependent.

Symptoms:

  • Recurrent unprovoked profuse epistaxis.
  • Nasal obstruction.
  • Conductive hearing loss with unilateral serous otitis media.

Frog face deformity.

  • Widening of nasal bridge
  • Swelling of cheek
  • Proptosis of eye
    • notion image
  • Involvement of CN 2, 3, 4, 5, 6.

Endoscopy:

  • Red fleshy mass
    • notion image

Imaging:

  • CECT scan is investigation of choice.
  • Hollman Miller sign.
    • Anterior bowing of the posterior wall of the maxillary sinus
      • notion image
  • Hondusa's sign.
    • Increased distance between maxillary sinus and mandible on CT scan.
      • notion image
  • Carotid angiography for vascularity.
  • Staging
    • a. Radkowski staging
      • I: Medial spread
        • Ia: Limited to nose & nasopharynx
        • Ib: Extension into one or more sinuses
      • II: Lateral spread
        • IIa: Minimal extension to sphenopalatine fossa (SPF)
        • IIb: Complete filling of SPF & spread to orbit
        • IIc: Extension to infratemporal fossa (ITF)
      • III: Intracranial spread
        • IIIa: Minimal
        • IIIb: Extensive
    • b. Fisch classification
      • notion image

Contraindicated Procedures:

  • Biopsy, FNAC, probe test, digital palpation.
  • D/t to absence of tunica media

Treatment:

  • Pre-operative embolization (Internal maxillary artery) → surgery
  • If surgery not possible → Anti AndrogensFlutamide
  • Radiotherapy: Unresectable (3b) tumour.

Identify the Images

Ranula:

notion image
  • Cystic swelling, floor of the mouth.
  • From sublingual salivary gland.
  • Extravasation cyst
  • Transillumination test positive.
  • Treatment: Excision with sublingual gland.

Retropharyngeal Abscess:

notion image
  • On X-Ray:
    • Pre-vertebral soft tissue shadow is 2x vertebra size.
    • Straightening of cervical spine.
    • Air bubbles present.
      • At C2 > 7mm.
      • At C7 > 22mm.
        • notion image
  • CT and MRI for confirmation.

Ludwig's Angina:

notion image
notion image
  • Cellulitis of submandibular space.
    • Source: Dental/submandibular/sublingual infection.
      • notion image
        notion image
  • Polymicrobial infection.

Criteria

  • Cellulitis of the floor of the mouth.
    • Serosanguineous fluid.
  • Bilateral submandibular swelling.
  • Spread via tissue spaces
    • not lymphatics
  • Sparing of submandibular salivary glands.

Palpation:

  • woody hard feeling.

Treatment

  • Intubation for impending obstruction
  • tracheostomy if tongue has fallen back.
  • Incision & drainage : Incision b/w both angles of mandible.

Vincent's angina

  • caused by Borrelia Vincenti.

Mylohyoid muscle

  • Divides submandibular space into
    • sublingual
    • submylohyoid.