Benign lymphoepithelial lesion
is mainly treated with administration of glucocorticoids, which has satisfied effect.
24 Recent studies also indicate that there is no association between benign lymphoepithelial lesions
and lymphoepithelial carcinomas.
Microscopically, the differential diagnosis of MLEL includes benign lymphoepithelial lesion
, metastatic undifferentiated carcinoma (especially of the nasopharynx), anaplastic carcinoma, poorly differentiated squamous cell carcinoma, and malignant lymphoma.
Kuttner tumor or cirrhosis of submandibular gland is often sent in for consultation with a tentative diagnosis of benign lymphoepithelial lesions
, suspected Sjogren's syndrome or suspected low grade lymphoma.
Benign lymphoepithelial lesions
of the parotid gland are a well-known entity associated with the AIDS-related complex; however, they are rare with highly active antiretroviral therapy (HAART).