CTICasesPrimary pulmonary diffuse large B-cell lymphoma (DLBCL)
Imaging findings
CT chest demonstrates a large, well-defined, solid left lung mass with central low-attenuation areas representing necrosis, and associated subcarinal lymphadenopathy.
Key takeaways
Primary pulmonary lymphoma is uncommon but can present as a solitary mass or nodule with necrosis, mimicking lung adenocarcinoma or neuroendocrine tumor. DLBCL is the most common high-grade primary pulmonary lymphoma.
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