Primary lymphoma of appendix presenting as acute appendicitis: A case report

Abstract Introduction Primary lymphomas of appendix are extremely rare tumors. The incidence is 0.015% of all gastrointestinal lymphomas. Presentation of case We present a case of a 75 year-old male patient who presented with acute abdominal pain in the lower right quadrant and fever. Discussion The patient received laparotomic appendectomy. The definitive histopathological examination revealed the presence of diffuse large cell B-lymphoma of the appendix. The neoplasms of appendix usually manifest clinically with sign and symptoms of acute appendicitis from luminal obstruction (30–50%). Preoperative diagnosis is difficult and often occurs through histopathological examination. Conclusion Primary appendiceal lymphoma is rare and there are no clear guidelines for therapy. Primary surgical resection followed by post-operative chemotherapy showed high efficacy. The histopathological examination of all appendectomy is essential.