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CONGENITAL LARYNGEAL DISEASE AND VOICE DISORDERS

Learn about the clinical features, investigations, and treatments of congenital laryngeal and voice disorders. Identify glottic pathology, understand phonosurgical principles, voice therapy, and benign laryngeal disorder management. Develop skills to take a patient history and conduct physical exams. Explore conditions like laryngomalacia, subglottic stenosis, laryngeal web, traumatic laryngeal injuries, vocal fold lesions, and more. Dive into causes, symptoms, diagnosis, and treatment options for various laryngeal conditions.

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CONGENITAL LARYNGEAL DISEASE AND VOICE DISORDERS

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  1. CONGENITAL LARYNGEAL DISEASE AND VOICE DISORDERS Yard.Doc.Dr.Müzeyyen Doğan

  2. Learning goal and objectives of the lesson Learning goal of the lesson: The learner should know the main clinical features and investigation of the congenital laryngeal and voice disorderswith their treatments Learning objectives of the lesson the learner will be able to: • identify the glottic pathology that may be responsible for hoarseness • describe basic phonosurgical principals • describe basic voice and speech therapy principals • know how to manage benign laryngeal disorders medically or surgically. Skill objectives of the lesson the learner will be able to take a directed history and perform a physical exam on a hoarse patient

  3. Disease of the larynx Congenital abnormalities of the larynx : Laryngomalacia most common cause of stridor in neonate and infants Laryngeal finding : Inward collapse of aryepiglottic fold (short) into laryngeal inlet during inspiration . Epiglottis collapses into laryngeal inlet. SSX: intermittent inspiratory stridor that improve in prone position . DX: HX and endoscopy RX: observation Epiglottoplasty Tracheostomy

  4. Subglottic stenosis : • Subglottic stenosis : • Incomplete recanalization,small cricoid ring • types: • membranouse • Cartilaginous • mixed • Grades: • I <70% • II 70-90% • III 91-99% • IV complete obstruction • SSX :biphasic stridor ,failure to thrive . • DX: chest and neck X-ray ,flexible endoscope • RX: tracheotomy • grade I - II ; • endoscope (CO2 or excision with dilation ) • Grade III –IV: • open procedures: • Ant cricoid split • LTR OR CTR

  5. Subglottic stenosis

  6. Laryngeal web: incomplete decanalization Types: Supraglottic Glottis Subglottic SSX: weak cry at birth ,variable degrees of respiratory obstruction DX: flexible endoscope Rx : no treatment laser excision open procedure+ tracheostomy

  7. Subglottic haemangioma Most common in subglottic space 50% of subglottic hemangiomas associated with cutaneous involvement Types: capillary (typically resolve) Cavernous SSX: biphasic stridor DX :endoscope RX: observation Crticosteroid CO2 LASER

  8. Traumatic conditions of the larynx Direct injuries (blows) Penetration (open) Burns (inhalation , corrosive fluids) Inhalation foreign bodies Intubations injuries : Prolonged intubation Blind intubation too large tube pathology : Abrasion ► granulomatous formation ….subglottic stenosis SSX; hoarsness , dyspnoea RX: voice rest endoscopic removal prevention

  9. Vocal fold lesions secondary to vocal abuse and trauma Vocal nodules (singer’s nodules) At junction of ant 1/3 and mid 1/3 RX : voice therapy surgical excision

  10. Vocal fold polyp : Middle and ant 1/3 , free edge , unilateral Mucoid , hemorrhagic RX : surgical excision

  11. Vocal fold cyst ; congenital dermoid cyst mucus retention cyst RX: surgical excision

  12. Reinke’s edema RX: voice rest ,stop smoking surgical excision

  13. Laryngocele Air filled dilation of the appendix of the ventricle ,communicates with laryngeal lumen congenital or acquired types : External : through thyrohyoid membrane Internal : Combined Rx :marsupialization

  14. Vocal cord paralysis Causes: Adult Neoplastic Iatrogenic : Idiopathic Trauma Neurological infectious systemic diseases Toxins children Arnold chiari malformation Birth trauma

  15. SSX: Dysphonia Chocking Stridor

  16. Vocal cord position : Median ,paramedian ,cadaveric Rx : Self limiting or permanent paralysis For medialization : Vocal cord injections Gelfoam, fat, collagen, Teflon. Thyroplasty For lateralization: cordotomy Thyroplasty tracheotomy

  17. Inflammation of the larynx Acute viral laryngitis: Rhinovirus, parainfluenza SSX: dysphonia , fever cough Rx: conservative Acute epiglottis : Haemophilis influnzae B 2-6 years Ssx: fever , dysphagia ,drooling ,dyspnea, sniffing position , no cough, normal voice. DX : x-ray (thumbprint sign) Rx: do not examine the child in ER Intubation in OR IV abx corticosteroid

  18. Croup (laryngotracheobronchitis ) Primary involves the subglottic Parainfluenza 1-3 1-5 years SSX: biphasic stridor, fever , brasssy cough , hoarseness , no dysphagia DX: x-ray ,steeple sign RX: humidified oxygen,racmic epinephrine ,steroid

  19. Diphtheritic laryngitis Causes: Corynebacterium diphtheriae Ssx: Cough ,stridor ,dysphonia , fever Greyish –white membrane Treatment: Antitoxin injection Systemic pencillin Oxygen tracheostomy

  20. Fungal laryngitis : Immunocompromised candidiasis ,aspergillosis Ssx: dysphonia ,cough odynophagia RX: antifungal regimen

  21. Recurrent respiratory papillomatosis: 2/3 before age 15 rarely malignant change HPV 6-11 Risks: younger first time mother (condyloma acuminata) Lesions: wart like (cluster of grapes ) Types : juvenile Senile SSX: Hoarseness stridor RX; laser excision ,microdebrider Adjunctive therapy: acyclovir , interferon …

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