Quantitative color analysis of laryngeal erythemain chronic posterior laryngitis
| Autor: | D G, Hanson, J, Jiang, W, Chi |
|---|---|
| Rok vydání: | 1998 |
| Předmět: |
medicine.medical_specialty
Erythema Laryngoscopy Vocal Cords Laryngitis Speech and Hearing medicine Humans Hue medicine.diagnostic_test business.industry Reflux Computer image Color analysis LPN and LVN medicine.disease Surgery medicine.anatomical_structure Otorhinolaryngology Vocal folds Chronic Disease Radiology medicine.symptom business |
| Zdroj: | Journal of Voice. 12:78-83 |
| ISSN: | 0892-1997 |
| Popis: | The purpose of this study was to quantitatively analyze the degree of erythema visible in the larynges of normal subjects and of patients with symptoms of chronic posterior laryngitis. Video-documented examinations of laryngoscopy were digitized and then analyzed using computer image analysis software that allowed quantification of average color values, hue, saturation, and brightness from digitized color images. Documented laryngoscopic images from 7 normal subjects and 64 patients complaining of chronic laryngitis symptoms were examined, and additional patient examinations which were obtained and documented during treatment for reflux laryngitis were analyzed. Analysis was made of five different areas of each laryngeal image: the right and left vocal folds, the right and left vocal processes, and the posterior arytenoid mucosa. Data analysis showed that average color value ratings of redness for the patients with chronic laryngitis were significantly (p |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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