BACKGROUND Indolent T-cell lymphoproliferative disorder of the gastrointestinal tract(ITLPDGI),a primary tumor forming in the gastrointestinal(GI)tract,represents a rarely diagnosed clonal T-cell disease with a protra...BACKGROUND Indolent T-cell lymphoproliferative disorder of the gastrointestinal tract(ITLPDGI),a primary tumor forming in the gastrointestinal(GI)tract,represents a rarely diagnosed clonal T-cell disease with a protracted clinical course.CASE SUMMARY This report presented a 45-year-old male patient with a 6-year history of anal fistula and a more than 10-year history of recurrent diarrhea who was not correctly diagnosed until the occurrence of complications such as intestinal perforation.Postsurgical histopathological analysis,combined with hematoxylineosin staining,immunohistochemistry and TCRβ/γ clonal gene rearrangement test,confirmed the diagnosis of CD8+ITLPD-GI.CONCLUSION Individuals with this scarce lymphoma frequently show non-specific symptoms that are hard to recognize.So far,indolent CD8+ITLPD-GI has not been comprehensively examined.The current mini-review focused on evaluating indolent CD8+ITLPD-GI cases based on existing literature and discussing future directions for improved differential diagnosis,detection of genetic and epigenetic alterations,and therapeutic target identification.展开更多
文摘BACKGROUND Indolent T-cell lymphoproliferative disorder of the gastrointestinal tract(ITLPDGI),a primary tumor forming in the gastrointestinal(GI)tract,represents a rarely diagnosed clonal T-cell disease with a protracted clinical course.CASE SUMMARY This report presented a 45-year-old male patient with a 6-year history of anal fistula and a more than 10-year history of recurrent diarrhea who was not correctly diagnosed until the occurrence of complications such as intestinal perforation.Postsurgical histopathological analysis,combined with hematoxylineosin staining,immunohistochemistry and TCRβ/γ clonal gene rearrangement test,confirmed the diagnosis of CD8+ITLPD-GI.CONCLUSION Individuals with this scarce lymphoma frequently show non-specific symptoms that are hard to recognize.So far,indolent CD8+ITLPD-GI has not been comprehensively examined.The current mini-review focused on evaluating indolent CD8+ITLPD-GI cases based on existing literature and discussing future directions for improved differential diagnosis,detection of genetic and epigenetic alterations,and therapeutic target identification.