Nasal polyps are benign inflammatory masses, arising from the mucosa of the nose and paranasal sinuses. They are considered to be a subgroup of chronic rhinosinusitis, and clinical diagnosis is made on the basis of the presence of sinonasal symptoms for more than 3 months and the visualization of polyps in the nasal cavity. Continue reading “Diagnostic Criteria for Chronic Rhinosinusitis with Nasal Polyps”
Vocal cord dysfunction (VCD) is a syndrome characterized by paroxysms of glottic obstruction due to true vocal cord adduction resulting in symptoms such as dyspnea and noisy breathing.
Continue reading “Diagnostic Criteria for the Classification of Vocal Cord Dysfunction (VCD)”
Benign paroxysmal positional vertigo (BPPV) is characterized by brief spinning sensations, usually lasting less than 1 minute, which are generally induced by a change in head position with respect to gravity.
Continue reading “Differential Diagnosis of Acute Vertigo”