Primary pancreatic lymphoma and metastatic lymphoma cases diagnosed with ultrasonography guided tru-cut needle biopsy; Two case reports

Secondary pancreatic involvement can be seen up to 30% of advance staged non-Hodgkin’s lymphoma cases, but primary lymphomas constitute only 1% extranodal lymphomas. Furthermore, 0.2% the space-occupying lesions are lymphomas, which usually present as a mass in head pancreas with nonspecific symptoms. Therefore, should considered differential diagnosis solid lesions. Herein, we report two cases different clinical presentation and course disease resulting metastatic lymphoma.