Case Report
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World J Clin Cases. Aug 16, 2013; 1(5): 176-180
Published online Aug 16, 2013. doi: 10.12998/wjcc.v1.i5.176
A case of mucosa-associated lymphoid tissue lymphoma of the gastrointestinal tract showing extensive plasma cell differentiation with prominent Russell bodies
Keita Kai, Masaharu Miyahara, Yasunori Tokuda, Shinich Kido, Masanori Masuda, Yukari Takase, Osamu Tokunaga
Keita Kai, Masanori Masuda, Yukari Takase, Osamu Tokunaga, Departments of Pathology and Microbiology, Saga University Faculty of Medicine, Saga 849-8501, Japan
Masaharu Miyahara, Yasunori Tokuda, Department of Internal Medicine, Karatsu Red-Cross Hospital, Saga 849-8501, Japan
Shinich Kido, Department of Pathology, Karatsu Red-Cross Hospital, Saga 849-8501, Japan
Author contributions: Miyahara M and Tokuda Y treated the case; Kai K and Kido S carried out pathological diagnosis; all authors contributed to the manuscript writing and revision, read and approved the final manuscript.
Correspondence to: Dr. Keita Kai, Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Nabesima 5-1-1, Saga City, Saga 849-8501, Japan. kaikeit@cc.saga-u.ac.jp
Telephone: +81-952-342234 Fax: +81-952-342055
Received: March 17, 2013
Revised: April 22, 2013
Accepted: May 7, 2013
Published online: August 16, 2013
Processing time: 143 Days and 5.4 Hours
Core Tip

Core tip: This report describes an extremely rare case of B-cell neoplasm, comprising mucosa-associated lymphoid tissue (MALT) lymphoma of the gastrointestinal tract showing extensive plasma cell differentiation with prominent Russell bodies. The pathological diagnostic strategy is also discussed. The patient died of sequentially emerging T-prolymphocytic leukemia (T-PLL). Concomitant T-PLL and MALT lymphoma has not been reported previously.