Primary duodenal lymphoma

Alburqueque-Melgarejo J.; Beltrán-Gárate B.; Vela-Ruiz J.M.; Montenegro E.G.D.L.M.C.; Sanchez M.D.C.K. · Revista Cubana de Medicina Militar (2025)

Resumen

Introduction: Primary duodenal lymphoma is an extremely rare entity affecting older male patients and usually has a poor prognosis. Objective: To describe the clinical presentation and clinicopathological characteristics of primary duodenal lymphoma of mucosa-associated lymphoid tissue. Clinical case: 63-year-old male patient with nonspecific gastrointestinal symptoms, diagnosed with primary duodenal lymphoma, an extremely rare location. This case stands out for its rarity, the importance of differential diagnosis and the use of endoscopic and histopathological tools to identify this poorly documented entity. Conclusions: Primary duodenal lymphoma is an extremely rare neoplasm. It is crucial to differentiate it from other intestinal lymphomas in relation to its morphological, histopathological and immunophenotypic characteristics.

Instituciones: Universidad Nacional Mayor de San Marcos; Universidad Científica del Sur; Universidad Ricardo Palma; Universidad San Ignacio de Loyola