Theme |
Malignant Lymphoma of the GI Tract |
Title |
Clinicopathology of Primary Malignant Lymphoma of the Gastrointestinal Tract |
Author |
Noriko Yamamoto |
Department of Pathology, Cancer Institute |
Author |
Yo Kato |
Department of Pathology, Cancer Institute |
[ Summary ] |
The vast majority of tumors arising in the gastrointestinal tract are carcinomas. However, the stomach is one of the common sites of extra-nodal lymphoma. Esophageal and intestinal lymphomas are rare. In the case of gastric malignant lymphoma, the average age was pointed to be the late fifties and the five-year survival rate was 60 to 80%. In the case of the large intestine, the average age was also 50 to 60 years, and the five-year survival rate was 41.6%. According to the LSG classification, the majority of primary malignant lyrnphomas of the gastrointestinal tract are the diffuse large cell type. |