LTH Grade 3: Lymphoid tissue covering entire tongue base, vertical thickness between 5-10 mm, approximately 25-75% of height of epiglottis.
LTH Grade 3: Lymphoid tissue covering entire tongue base, vertical thickness between 5-10 mm, approximately 25-75% of height of epiglottis.
ENTtoday - https://www.enttoday.org/article/hypopharyngeal-approaches-obstructive-sleep-apnea/ent_1116_pg12e/