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Journal of Clinical Gastroenterology:
doi: 10.1097/MCG.0b013e31829e444f
ONLINE ARTICLE: Original Article

Prognostic Characteristics of Gastrointestinal Tract NK/T-Cell Lymphoma: An Analysis of 47 Patients in China

Jiang, Ming MD*; Chen, Xinchuan MD; Yi, Zhihui MD; Zhang, Xue MD*; Zhang, Bo MD*; Luo, Feng MD*; Jiang, Yu MD*; Zou, Liqun MD*,‡

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Abstract

Background:

The gastrointestinal tract is the most common primary site of extranodal lymphomas, whereas gastrointestinal natural killer/T-cell (GINKT) lymphomas are relatively rare. To date, neither the prognostic characteristics nor the clinical features or optimal therapeutic approach for GINKT has yet been defined.

Patients and Methods:

In this study, a retrospective analysis was carried out on clinical data obtained from 47 patients diagnosed with GINKT lymphoma between May 1999 and August 2011 at West China Hospital.

Results:

Patients had a median age of 37 years. Thirty-five of the patients were men (74.5%). The common clinical manifestations included fever (78.7%) and abdominal pain (76.6%). Seventeen patients had intestinal perforation (36.2%). All patients showed ulcerative lesions; the most common site of involvement was the colon (27/47; 57.4%), followed by the jejunoileum and ileocecum (14/47; 29.8%). The median survival period was 2.83 (95% confidence interval, 0.27-29) months. Age, perforation, B syndrome, staging according to Lugano system, and surgery were independent prognostic risk factors for GINKT lymphoma.

Conclusions:

This study concluded that GINKT lymphoma is prone to perforation, hemorrhage, and other complications; moreover, the prognosis is very poor. The Lugano staging is a relatively suitable staging system. Surgery before perforation is a key therapy factor that affected prognosis. Although the roles played by chemotherapy and radiotherapy are unclear, combination therapy is necessary.

Copyright © 2013 by Lippincott Williams & Wilkins

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