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Diffuse Large B-cell Lymphoma in a Patient With Refractory Perinephric Fluid Collection and Pleural Effusion: A Case
Chia-Chen Lin1, Chie-Fu Chiu2, Lieh-Hann Lin2
1General Medicine, Cardinal Tien Hospital, New Taipei City, TWN.
Cureus
|August 2, 2026
Summary
Diffuse large B-cell lymphoma (DLBCL) can rarely present as isolated fluid collections. This case highlights an atypical presentation of DLBCL in unexplained perinephric fluid collections.
Area of Science:
- Oncology
- Radiology
- Nephrology
Background:
- Perinephric fluid collections often have a broad differential diagnosis.
- Diffuse large B-cell lymphoma (DLBCL) typically presents as masses but can rarely manifest as fluid collections.
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Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's criteria,...
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's criteria,...
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Pleural Effusion Overview
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Clinical Manifestations:
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Clinical Manifestations:
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