Lymphoepithelial tumors of the pancreas are rare cystic tumors characterize
d by the presence of a keratinizing squamous epithelium and a dense lymphoi
d infiltrate on histologic examination. This case report describes the firs
t lymphoepithelial tumor to be resected from the pancreatic head by pancrea
ticoduodenectomy. This case is also the first in which the cyst was found t
o be secondarily infected. The radiologic and clinicopathologic features of
these unusual tumors are discussed.