Evaluation of laryngeal vascular changes with image1 s enhancement system in reference to the European laryngological society guideline

Abstract

Objectives: To assess the feasibility of using Image1 S™ endoscopic enhancement system for discrimination of the vascular patterns in laryngeal lesions.Design: Forty patients presenting with benign, dysplastic and malignant laryngeal lesions were examined with Image1 S system. The vascular patterns were classified by a group of authors according to the European Laryngological Society (ELS) guideline, as perpendicular or longitudinal, in all lesions. The relationship between the vascular patterns and the pathological results was statistically analysed. Endoscopic images of the lesions were evaluated through an online survey by a group of otolaryngologists with different levels of clinical expertise and asked them to choose a diagnosis and a vascular pattern. The vascular pattern evaluations of the participants were compared to the authors' evaluations to determine the interobserver reliability. The final diagnostic judgements of the participants were compared with the definitive histopathological diagnoses.Setting: Tertiary university hospital.Participants: Forty patients with laryngeal lesions and thirty otolaryngologists with different clinical experience levels. Main outcome measures:The study evaluates the usefulness of the Image1 S system for the detecting the vascular patterns associated with benign, dysplastic, and malignant lesions and measures the level of accuracy and inter observer agreement in detecting the final histopathology.