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Extranodal natural killer/T-cell lymphoma(ENKTL) is a distinct subtype of non-Hodgkin’s lymphoma and is rare in the colon.Synchronous adenocarcinoma and ENKTL of the colon has not been reported in the literature.In the present study,we report a 63-year-old male who suffered from intermittent bloody stools for 2 mo.He did not have fever,body weight loss or night sweat.Endoscopic and imaging studies revealed a 4.5-cm ulcerative mass in the ascending colon and a 3.0-cm polypoid,easy bleeding mass in the sigmoid colon,respectively.Thought to have double carcinoma of the colon,he received simultaneous right hemicolectomy and sigmoidectomy.The pathological diagnosis was a synchronous ENKTL(ascending colon) and adenocarcinoma(sigmoid colon).The literature on synchronous adenocarcinoma and malignant lymphoma of the colon was also reviewed.
Extranodal natural killer / T-cell lymphoma (ENKTL) is a distinct subtype of non-Hodgkin’s lymphoma and is rare in the colon. Synchronous adenocarcinoma and ENKTL of the colon has not been reported in the literature. In the present study, we report a 63-year-old male who suffered from intermittent bloody stools for 2 mo. He did not have fever, body weight loss or night sweat. Endoscopic and imaging studies revealed a 4.5-cm ulcerative mass in the ascending colon and a 3.0-cm polypoid , easy bleeding mass in the sigmoid colon, respectively.Thought to have double carcinoma of the colon, he received simultaneous right hemicolectomy and sigmoidectomy.The pathological diagnosis was a synchronous ENKTL (ascending colon) and adenocarcinoma (sigmoid colon). The literature on synchronous adenocarcinoma and malignant lymphoma of the colon was also reviewed.