Reminder of important clinical lesson
Bronchial associated lymphoid tissue (BALT) lymphoma presenting as chronic lung sepsis
1 Centre for Infection and Immunity, Queens University Belfast, City Hospital, Belfast, BT97AB, UK
2 Royal Victoria Hospital, Pathology Department, 274 Grosvenor Road, Belfast, Co. Antrim BT12 6BA, UK
3 Royal Victoria Hospital, Cardiothoracics, 274 Grosvenor Road, Belfast, Co. Antrim BT12 6BA, UK
4 Belfast City Hospital, Haematology, Lisburn Road, Belfast, Co. Antrim BT9 7AB, UK
Correspondence to:
Stuart Elborn, stuart.elborn{at}belfasttrust.hscni.net
A 58-year-old woman was referred from her general practitioner to the respiratory clinic with a 2 year history of recurrent pulmonary infections, mucus hypersecretion and right lobe consolidation following a severe pneumonic illness in 2006. She had no significant risk factors for respiratory disease. Chest computed tomography showed an air bronchogram and right lower lobe consolidation. On initial routine investigation IgA and IgG were normal; however, a discrete IgM paraprotein band in the mid gamma region was seen on serum electrophoresis. She was referred for haematological investigations. Bone marrow biopsy was positive for monoclonal lymphoplasmocytoid B cells and the patient was diagnosed with Waldenströms macroglobulinaemia. Due to recurrent infections and an unclear diagnosis of the lung process, a right lower lobectomy and wedge resection of the middle lobe was performed. This showed bronchial associated lymphoid tissue lymphoma arising in the marginal zone. She has been well since surgery with no further respiratory infections.
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