Mass involving retromolar trigone in a geriatric lady-diagnostic dilemma

Polymorphous low grade adenocarcinoma (PLGA) is rarely encountered in routine clinical practice. Our patient,78 year old lady presented with complaint of ill-fitting denture owing to soft tissue mass in retro-molartrigone. she had undergone multiple surgeries for thyroid malignancy. Thus, PGLA was a surprise diagnosis inthis case. The differential diagnosis and subsequent clinical course are discussed in the following manuscript.