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Oropharyngeal cancer, [1] [2] [3] also known as oropharyngeal squamous cell carcinoma and tonsil cancer, [1] is a disease in which abnormal cells with the potential to both grow locally and spread to other parts of the body are found in the oral cavity, in the tissue of the part of the throat that includes the base of the tongue, the tonsils, the soft palate, and the walls of the pharynx.
This is a shortened version of the second chapter of the ICD-9: Neoplasms. It covers ICD codes 140 to 239 . The full chapter can be found on pages 101 to 144 of Volume 1, which contains all (sub)categories of the ICD-9.
There were no changes in the topography axis between ICD-O-2 and ICD-O-3. See List of ICD-10 codes#(C00–C97) Malignant Neoplasms for examples. International Classification of Diseases for Oncology, Third Edition (ICD-O-3)
ICD-10 classifies neoplasms into four main groups: benign neoplasms, in situ neoplasms, malignant neoplasms, and neoplasms of uncertain or unknown behavior. [7] Malignant neoplasms are also simply known as cancers and are the focus of oncology.
Oral leukoplakia (white patch) on the left tongue. Proven to be severe dysplasia on biopsy. A premalignant (or precancerous) lesion is defined as "a benign, morphologically altered tissue that has a greater than normal risk of malignant transformation." There are several different types of premalignant lesion that occur in the mouth.
The International Classification of Diseases for Oncology (ICD-O) system lists a number of morphological subtypes and variants of malignant squamous-cell neoplasms, including: [22] papillary thyroid carcinoma (code 8050/3) verrucous squamous-cell carcinoma (code 8051/3) papillary squamous-cell carcinoma (code 8052/3) squamous-cell carcinoma ...
Carcinoma of the tonsil is a type of squamous cell carcinoma.The tonsil is the most common site of squamous cell carcinoma in the oropharynx.It comprises 23.1% of all malignancies of the oropharynx. [1]
Relative incidence of parotid tumours. [10] Relative incidence of submandibular tumours. [10] Due to the diverse nature of salivary gland tumours, many different terms and classification systems have been used. Perhaps the most widely used currently is that system proposed by the World Health Organization in 2005. This system defines five broad ...