A known HIV infected patient presents with a non-tender parotid gland swelling. The most likely diagnosis is:: (A) B-cell non-Hodgkin's lymphoma, (B) Lymphoepithelial cysts, (C) Sialectasia, (D) Parotid abscess
Answer is B. Benign lymphoepithelial cysts may develop in the parotid glands on one or both sides. They arise from intraparotid lymph nodes. Diagnosis is confirmed on CT scan and fine-needle aspiration cytology.