Mucosa-associated lymphoid tissue lymphoma (MALToma) is a low grade B-cell lymphoma that develops from the lungs, intestinal tract, salivary gland, and other organs and is included under extranodal marginal zone lymphoma. When a primary pulmonary MALToma develops from bronchus-associated lymphoid tissue (BALT), it is called BALT lymphoma (BALToma). The etiology of MALToma is not clear; however, an association between chronic inflammatory conditions and BALToma has been observed. Transformation of MALToma to high grade lymphoma is very rare. We experienced a case of MALToma that had developed from the lungs in a patient who was undergoing treatment for latent tuberculosis and rapidly transformed into high grade B-cell lymphoma.
We describe a 69-year-old male patient with the status of obstructive jaundice post percutaneous biliary drainage for prior obstructive jaundice and who presented with a complaint of generalized weakness and increased output from the drainage tube. The patient developed worsening jaundice, which was noted to be obstructive in nature with a marked dilatation of the biliary tree and a distal obstruction of the common bile duct. Subsequently, a percutaneous biliary drain was placed for symptomatic management. However, the patient continued to have increased output from the drain, approximating 3-4 liters a day, which made the patient dependent on continuous intravenous hydration. The case presented a therapeutic challenge in reducing the drainage amount. We have tried a successful approach based on the physiologic effect of octreotide and nonsteroidal anti-inflammatory drugs (NSAIDs) in the formation of bile secretion. This approach has not been clearly described in the literature. We highlight the importance of further study to validate the use of these medications in similar clinical scenarios.
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