IgG‐Secreting Lymphoplasmacytic Lymphoma Presenting With Massive Kidney Infiltration
Yuichi Nakamura, Yoshihiro Itoh, Tomoyuki Sakamoto, Emi Kakegawa, Yasuhito Terui, Taichi Tarusawa, Tsutomu Inoue, Hirokazu Okada, Keisuke Ishizawa, Taketo Yamada

TL;DR
A rare case of IgG-secreting lymphoplasmacytic lymphoma caused kidney damage, which improved with chemotherapy.
Contribution
This case highlights a rare presentation of LPL with massive kidney infiltration and its successful treatment.
Findings
The patient had acute kidney injury due to direct tumor infiltration from IgG-secreting LPL.
Chemotherapy led to both hematological and renal improvements in the patient.
Abstract
Various factors related to lymphoplasmacytic lymphoma (LPL) can lead to kidney complications; however, LPL‐related kidney complications are not as well‐described as those with multiple myeloma. Here, we report a case of IgG‐secreting LPL presenting with acute kidney injury owing to direct tumor infiltration. Chemotherapy resulted in hematological and renal improvements.
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Taxonomy
TopicsChronic Lymphocytic Leukemia Research · Viral-associated cancers and disorders · Lymphoma Diagnosis and Treatment
