Primary CD56+ T/NK cell lymphoma of the colon

Hyun Soo Kim, Dong Ki Lee, Soo Koo Baik, Sang Ok Kwon, Mee Yon Cho, Young Hye Ko

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Primary T/natural killer (NK) cell lymphoma of the colon is extremely rare. Despite the advances in histological and immunophenotypic studies, the diagnosis of primary T/NK cell lymphoma of the colon can be delayed because the early symptoms and colonoscopic findings may be very similar to those of inflammatory bowel diseases such an Crohn's colitis, and most physicians have little available information on this group of neoplasms. Moreover, florid nonspecific inflammatory infiltrates would not allow characterization of the tumor cells in such an inflammatory background. Herein, we describe a patient who initially presented with features that were clinically and colonoscopically similar to Crohn's colitis. Three \ months later, he had cecal bleeding and perforation, and primary T/NK cell lymphoma of the colon was diagnosed through immunophenotypic and genotypic studies of surgical specimens.

Original languageEnglish
Pages (from-to)939-946
Number of pages8
JournalJournal of Gastroenterology
Issue number11
Publication statusPublished - 2002 Nov 1

All Science Journal Classification (ASJC) codes

  • Gastroenterology


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