Primary pulmonary mucosa-associated lymphoid tissue lymphoma presenting as a right hilar mass: A case report.
Liyuan Fu, Taipeng Zeng, Chengkun Hong et al.
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Case in brief
A 44-year-old male presented with an incidental right hilar mass discovered during routine screening. He was asymptomatic, and imaging revealed a 3.9 × 3.5 cm mass causing bronchial compression and post-obstructive consolidation. 18F-FDG PET/CT showed intense uptake in the mass, leading to a diagnosis of primary pulmonary mucosa-associated lymphoid tissue lymphoma. The patient received localized radiotherapy, resulting in significant reduction of the mass and normalization of laboratory parameters at follow-up.
Diagnostic / clinical pearl
The use of 18F-FDG PET/CT is crucial in distinguishing primary pulmonary lymphoma from other malignancies and benign conditions, especially when atypical radiological features are present.
Why it matters
This case highlights the importance of accurate imaging in the diagnosis of rare pulmonary tumors, which can often be misdiagnosed as more common conditions like pneumonia or lung cancer.