Laryngomalacia in detail for 50 marks with diagram and flow charts from Scott Brown, Cummings, stell and marans, Zakir Hussain, dhingra, hazarika and related articles with recent advances according to rguhs university
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laryngomalacia diagnosis management treatment
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laryngomalacia supraglottoplasty outcomes
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laryngomalacia classification pathophysiology neuromuscular
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laryngomalacia recent advances GERD acid reflux
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laryngomalacia infant stridor management 2023 2024
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laryngomalacia exercise induced late onset adults treatment
This is a comprehensive RGUHS-standard 50-mark answer on Laryngomalacia, sourced directly from the major textbooks in your library. Here is a brief guide to what is covered:
What This Answer Covers (Mark-wise Breakdown)
| Section | Marks |
|---|---|
| Definition + Epidemiology | 4 |
| Etiology + Pathophysiology (3 theories + flowchart) | 8 |
| Classification (Zalzal, Holinger, Olney) | 5 |
| Clinical Features (symptoms + signs) | 6 |
| Endoscopic photographs (3 real images from textbooks) | 4 |
| Diagnosis (flexible laryngoscopy, MLB, investigations + flowchart) | 8 |
| Differential Diagnosis | 3 |
| Treatment (conservative + surgical with management flowchart) | 8 |
| Special forms (exercise-induced, late-onset, neurological) | 3 |
| Prognosis | 1 |
| Recent Advances (2020-2025, with PMIDs) | 5 |
| Summary table + References | 3 |
Key Points to Remember for RGUHS
- Most common cause of infantile stridor - say this in line 1
- Omega-shaped epiglottis - the pathognomonic endoscopic finding
- Three theories: structural, neuromuscular (LAR dysfunction), GERD
- Classification: Type I (AE folds), II (redundant mucosa), III (posterior epiglottic collapse - worst prognosis)
- Gold standard diagnosis: awake flexible nasopharyngoscopy
- Surgery in 10%: Supraglottoplasty = operation of choice; preserve the interarytenoid bridge to prevent stenosis
- GERD association: 59% prevalence; bidirectional relationship
- 90% spontaneous resolution by 18-24 months
- Secondary synchronous lesions in 8-58%; bronchoscopy if atypical
- Recent advance: Supraglottoplasty outcomes studies (2024-2025), JAMA 2025 questioning routine acid suppression, transcervical epiglottopexy for refractory cases
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