LYMPHOEPITHELIAL CYST OF THE PANCREAS - REPORT OF A CASE DIAGNOSED BYFINE-NEEDLE ASPIRATION BIOPSY

BACKGROUND: Lymphoepithelial cysts of the pancreas are very rare lesio ns. To the best of our knowledge, 24 cases are reported in the literat ure. CASE: A 64-year-old male presented with gastrointestinal complain ts. A computed tomography scan of the abdomen disclosed a 55x30-mm, ho mogeneous mass anterior to and contiguous with the pancreas. Fine need le aspiration biopsy (FNAB) showed threads of tissue composed of strat ified squamous epithelium with subepithelial lymphocytic infiltrate an d keratinous material. CONCLUSION: This case illustrates that FNAB is a rapid and reliable technique that can be used as the first diagnosti c step in cases of cystic lesions of the pancreas. To our knowledge, t his is the third case reported of this entity diagnosed with FNAB.