case_images: PMC5749263_01
case_images: PMC5749263_02
case_images: Chest radiograph showed the steeple sign.
case_images: CRIPE2017-2962794.001.jpg
case_images: PMC5749263_02_CRIPE2017-2962794.001.jpg
case_images: fig1
case_images: She was observed in otolaryngology consultation at a central hospital: the chest radiograph showed the steeple sign (Figure 1) and the bronchofibroscopy revealed a pleated and hardened supraglottic mucosa and subglottic stenosis.