ICD-11 definition : A neoplasm of the oropharynx which is characterized by the absence of morphologic
features associated with malignancy (severe cytologic atypia, tumor cell necrosis,
and high mitotic rate). Benign neoplasms remain confined to the original site of growth
and only rarely metastasize to other anatomic sites.;
ICD-11 inclusion : Benign neoplasm of epiglottis, anterior aspect; oropharyngeal neoplasm benign; benign neoplasm of lateral wall of oropharynx; benign neoplasm of posterior tonsillar pillar; benign neoplasm of anterior tonsillar pillar; benign tumour of tonsillar fossa; benign neoplasm of tonsillar fossa; benign neoplasm of tonsillar pillar; benign tumour of anterior pillar of fauces; benign tumour of tonsillar pillar; benign tumour of oropharynx; benign neoplasm of vallecula; benign tumour of vallecula; benign neoplasm of posterior wall of oropharynx; benign tumour of posterior wall of oropharynx; benign tumour of mesopharynx;
A neoplasm of the oropharynx which is characterized by the absence of morphologic
features associated with malignancy (severe cytologic atypia, tumor cell necrosis,
and high mitotic rate). Benign neoplasms remain confined to the original site of growth
and only rarely metastasize to other anatomic sites.