Difference between children & adult

differential diagnosis

Laryngeal papillomatosis

Laryngeal web

Laryngomalacia

subglottic stenosis, subglottic haemangioma

VF paralysis

Disorders associated with vocal abuse & misuse

Psychogenic VD

Hearing impairment

prematurity

Trachiostomised child

Disorders of nasal resonance (Hypernasality)

Disorders of nasal resonance (hyponasality)