CTICasesPrimary pulmonary marginal zone B-cell lymphoma of MALT
Imaging findings
Chest radiographs and CT scan show a slowly enlarging solitary nodular focus of consolidation, which is part of a multifocal, multilobar process containing both solid and ground-glass nodules with ill-defined margins, initially misdiagnosed as community-acquired pneumonia.
Key takeaways
Primary pulmonary marginal zone B-cell lymphoma can present as indolent, slowly growing, multifocal or solitary areas of lung consolidation and ground-glass nodules. They are often misdiagnosed as community-acquired pneumonia, highlighting the importance of radiological follow-up for non-resolving consolidations.
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