Nontraumatic Laryngeal Fractures: Report of Two Cases and Review of the Literature

Table 1

Symptoms, signs, and endoscopic and imaging findings among patients with nontraumatic laryngeal fracture.

	Case   [2]	Case   [3]	Case   [4]	Case   [5]	Case	Case
Age/sex	44/male	29/male	41/male	47/male	36/male	32/male
Precipitating event	Sneeze	Sneeze	Cough	Cough	Sneeze	Swallowing and bending over
Symptoms/signs	Odynophagia, dysphagia, dysphonia.; Pain and crepitus over the thyroid cartilage	Odynophagia and dysphonia	Odynophagia, dysphagia, dysphonia.; Crepitus over the thyroid cartilage	Odynophagia, dysphagia, dysphonia.; Pain over the thyroid cartilage	Odynophagia and dysphonia.; Pain over the thyroid cartilage	Odynophagia, dysphagia, dysphonia.; Pain over the thyroid cartilage
Laryngoscopy	Supraglottic edema, normal vocal fold movement	Right true vocal fold edema, mucosal hematoma, normal vocal fold movement	Left true vocal fold hematoma, left ventricular edema, normal vocal fold movement	Edema of right aryepiglottic fold and both arytenoids, normal glottis, normal vocal fold movement	Left vocal fold hematoma, normal vocal fold movement	Supraglottic edema, normal vocal fold movement
Computed tomography (CT)	Not available	Nondisplaced anterior fracture, subcutaneous air	Mildly displaced anterior fracture, subcutaneous air	Mildly displaced anterior fracture, subcutaneous air. Phlegmon formation	Left parasagittal, complete nondisplaced thyroid cartilage fracture	Left parasagittal, complete nondisplaced thyroid cartilage fracture