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Endobronchial low-grade MALT lymphoma causing unilateral hypertranslucency
A E Erbaycu1, I Karasu, F G Ozdemirkiran
1Department of Chest Diseases, Izmir Chest Diseases and Surgery Centre, Turkey. drerbaycu@yahoo.com
Summary
This case report details a rare instance of mucosa-associated lymphoid tissue (MALT) lymphoma affecting the main bronchi in a 32-year-old woman. The diagnosis was confirmed via bronchoscopic biopsy, highlighting MALT lymphoma
Area of Science:
- Oncology
- Pulmonology
- Pathology
Background:
- Mucosa-associated lymphoid tissue (MALT) lymphoma typically originates in the gastrointestinal tract but can occur in extranodal sites.
- MALT lymphoma is a B-cell lymphoma arising from MALT, a component of the gut-associated lymphoid tissue and other mucosal surfaces.
Observation:
- A 32-year-old woman presented with persistent breathlessness, initially misdiagnosed as bronchial asthma.
- Imaging revealed mediastinal shift, dextrocardia, left lung emphysema, and a significant mass obstructing the left main bronchus.
- Fiberoptic bronchoscopy identified polypoid lesions causing near-total obstruction of the left main bronchus.
Findings:
- Bronchoscopic biopsy confirmed the mass as mucosa-associated lymphoid tissue (MALT) lymphoma.
- This represents an unusual presentation of MALT lymphoma in the bronchial tree.
Implications:
- This case underscores the importance of considering extranodal MALT lymphoma in the differential diagnosis of unexplained respiratory symptoms.
- Further research into the pathogenesis and optimal management of pulmonary MALT lymphoma is warranted.
- Early and accurate diagnosis through bronchoscopy and biopsy is crucial for effective treatment of bronchial MALT lymphoma.