Toddler with stridor and dysphagia Pediatric Imaging Chest September 1, 2025April 30, 2025 Lateral radiograph of the airway shows a swollen and thickened and rounded epiglottis (thumb sign) and thickened aryepiglottic folds. The diagnosis was epiglottitis. Related Published September 1, 2025April 30, 2025