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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] The tumors frequently present at advanced stages, and around 70% of patients present with metastasis to the cervical lymph nodes. [2].
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.
HPV-positive oropharyngeal cancer generally has a better outcome than HPV-negative disease, with a 54% better survival rate, [18] but this advantage for HPV-associated cancer applies only to oropharyngeal cancers. [19] People with oropharyngeal carcinomas are at high risk of developing a second primary head and neck cancer. [20]
A 2010 study in England found the annual tonsillectomy rate per 100,000 between 2000 and 2005 was 754 in the highest region, the national average was 304 and the lowest region was 102. [13] This means there is a seven-fold difference between the region with the highest tonsillectomy rate and the region with the lowest one. [13]
Between 1999 and 2015 in the United States, the rate of oral cancer increased 6% (from 10.9 to 11.6 per 100,000). Deaths from oral cancer during this time decreased 7% (from 2.7 to 2.5 per 100,000). [15] Oral cancer has an overall 5 year survival rate of 65% in the United States as of 2015. [4]
Additionally, tonsils may have a greater chance of growing back after removal if the procedure was performed before the tonsils have stopped growing, which typically occurs around 8 years old.
One of the more serious conditions that can lead to scabs is skin cancer. Dr. Thosani says it more commonly occurs in those with thinner (or no) hair, as their scalp is exposed to more sunlight.
The American Cancer Society reports 5-year relative survival rates of over 70% for women with stage 0-III breast cancer with a 5-year relative survival rate close to 100% for women with stage 0 or stage I breast cancer. The 5-year relative survival rate drops to 22% for women with stage IV breast cancer. [3]