抄録
A boy, 12 years 2 months old, often complained of pain Regio hypochondrica sinistra for 2 months prior to death. While he was treated in the pediatrics dept, with diagnosis of aseariasis, was found tumor in the above mentioned site, and he was taken to the surgical dept, with esnspected colon tumor. The operation could not remove, the tumor beoause of firm adhesion, and he died.
Macroscopically were found a formation of ulcer in Flexra coli sinistra, thickening of intestinal wall and consequent narrowing of the lumen, and further; its firm adhesion to peritoneum and stomach wall.
Microscopic examination showed carcinoma simplex in which was noted mucus. The cancerous ulceration of the mucosa was most advanced in the periphery of the ulcer, and it is supposed to have originated there. The tumor also infiltrated into submucous coats of the other part of intestinal tract by contact spread and into lung in scirrhus by metastase.
According to the previous statistics, the rate of cancer developed in young men is about 0.5 %. It is rare but not extremely rare. But about cancer in young men's colon (excpt carcinoma of rectum) less than 20 cases have been reported according to the investingation, and so we report this as an uncommon cace.
