Abstract
A 19-year-old male was admitted due to an abdominal tumor with tenderness. Abdominal CT showed a thickened wall of the ascending colon. Abdominal US showed findings like a Target sign. He underwent an emergency operation under a diagnosis of intestinal intussusception. He received a right hemicolorectomy because the abdominal tumor was diagnosed as ascending colon cancer based upon the intraoperative findings.
The histopathological findings revealed the tumor as signet ring cell carcinoma of the colon.
Ahthough he received postoperative adjuvant chemotherapy, an abdominal CT showed lymph node recurrence ten months after the operation.
We found only 15 cases of signet ring cell carcinoma of colon in young patients in the Japanese literature, and that they had a high frequency of lymph node metastasis and peritoneal dissemination, while they had a low frequency of liver metastasis.
To improve the prognosis of such patients, more effective and well-established treatment is now expected.
