case_images: PMC11759067_01
case_images: Large mediastinal lung mass causing effacement and compression on the trachea, bronchi and esophagus.
case_images: jchim-15-01-058f1.jpg
case_images: PMC11759067_01_jchim-15-01-058f1.jpg
case_images: f1-jchim-15-01-058
case_images: A computed tomography (CT) scan of chest was performed which revealed large supra-hilar and mediastinal lung masses compressing the right bronchus, a right-sided pleural effusion and bilateral axillary lymphadenopathy (Fig. 1).
case_images: Enlarged left cervical lymph nodes.
case_images: jchim-15-01-058f2.jpg
case_images: PMC11759067_01_jchim-15-01-058f2.jpg
case_images: f2-jchim-15-01-058
case_images: The etiology of these masses was suspicious for lymphoma and further studies including CT scans of neck and abdomen were performed which revealed enlarged left level 2 cervical lymph nodes, normal liver and spleen with bilateral external iliac and inguinal lymphadenopathy and without periaortic or mesenteric lymphadenopathy (Fig. 2).
case_images: Demonstrating lymphoid tissue with architectural effacement by an atypical lymphoid proliferation with a relatively diffuse growth pattern.
case_images: jchim-15-01-058f3.jpg
case_images: PMC11759067_01_jchim-15-01-058f3.jpg
case_images: f3-jchim-15-01-058
case_images: The Ki-67 was low (<20%) in the neoplastic lymphocytes (Fig. 3).