Hình thái lâm sàng kết hợp với nội soi ống mềm trong chẩn đoán viêm thanh quản mạn tính ở trẻ em

Introduction: Laryngitis - VTQ is generally pathological wound in the larynx as consisting of viral laryngitis, bacterial laryngitis and parasited laryngitis. Laryngitis can be persistent (more than 3 weeks) called chronic laryngitis. Objectives: Flexible endoscopy has done to help to diagnose many pathologies of ear nose throat. Specially Flexible endoscopy is used to examine infantine larynx is more advantageous than other devices. Materials and Methods: Including 40 patients have diagnosed chronic laryngitis or