CASE REPORT article
Front. Oncol.
Sec. Hematologic Malignancies
A Case of Pulmonary Mucosa-Associated Lymphoid Tissue Lymphoma with Plasmacytic Differentiation and Amyloid deposition: Case Report and Literature Review
Zhihui Wang
Xiaoxi Wang
Dingrong Zhong
China-Japan Friendship Hospital, Beijing, China
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Abstract
Mucosa-associated lymphoid tissue (MALT) lymphoma is a relatively uncommon subtype of non-Hodgkin lymphoma which occurs anywhere but lymph nodes. We present a case of MALT lymphoma with plasmacytic differentiation and amyloid deposition. Although plasmacytic differentiation is shown in some cases, amyloid deposition is the rare one in the current cases we collected. Amyloidosis is often associated with some malignant diseases, but MALT is known as an indolent lymphoma. We want to report this case to raise pathologists' cognizance on this disease.
Summary
Keywords
histopathology, Immunohistochemistry, Lymphoma, MALT, Pathology
Received
24 October 2025
Accepted
20 February 2026
Copyright
© 2026 Wang, Wang and Zhong. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
*Correspondence: Dingrong Zhong
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