This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
All of the following statements about lymphoepethelioma of the parotid gland are true, except 
Select and explain. 
A. Parotid gland is the most common site of Lymphoepethelioma of the parotid gland are true except, B. It is associated EBV infection, C. It is highly radiosensitive, D. It is a type of squammous cell carcinoma
D: It is a type of squammous cell carcinoma
Answer: D: It is a type of squammous cell carcinoma 
Explanation: The use of the word 'benign' to describe this lesion is misleading because 20% of patients with benign lymphoepithelial lesion ultimately develop lymphoma. It is not possible to distinguish on histological grounds benign lymphoepithelial lesion from Sjogren's syndrome. Both are characterised by lymphocytic infiltration, acinar atrophy and ductal epithelial proliferation. Clinically, benign lymphoepithelial lesion presents as a diffuse swelling of the parotid gland. The swelling is firm, often painful and, in 20% of patients, the presentation is bilateral. Most patients are female and over 50 years of age. Parotidectomy is often undeaken to establish a diagnosis. Prolonged follow-up is essential.It can occur in HIV patients ; lymphoepitheli all diseases and in Sjogren's syndrome.Total parotidectomy with radiotherapy. SRB,5th,421.