Subsolid Nodule Harbouring Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue

Stijn Marcelis; Amélie Dendooven; Annemiek Snoeckx

doi:10.5334/jbsr.2915

Abstract

With the widespread use of computed tomography (CT), subsolid nodules are more frequently encountered in daily practice. We present the case of a 74-year-old man with a large persistent well-defined subsolid nodule on CT. Although the lesion had a predominant ground-glass appearance on CT, ¹⁸F-fluorodeoxyglucose (FDG) positron emission tomography (PET) showed moderate FDG uptake. Lobectomy was performed and histopathologic examination showed an extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue.

Teaching Point: When large persistent subsolid nodule with a predominant ground-glass aspect shows moderate uptake on ¹⁸F-FDG-PET, other possible diagnoses than adenocarcinoma should be kept in mind, including primary pulmonary lymphoma.

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Subsolid Nodule Harbouring Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue

Abstract

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