[A case of recurrent gastric cancer successfully treated with radiation therapy].
We report a case of recurrent gastric cancer that was effectively controlled with radiation therapy. A 63-year-old man underwent total gastrectomy, cholecystectomy and D2 dissection in February 2006 for early gastric cancer in the upper third area that was diagnosed with papillary adenocarcinoma and Stage IA (T1 (SM), N0, H0, P0, CY0, M0). He underwent lateral segmentectomy of the liver for liver metastasis of S2/3. He suffered from No. 12 lymph node(LN)metastasis in February 2009, so CPT-11, next to S-1, was administered. Portal tumor thrombosis (PTT) and liver S8 metastasis were observed in September 2009. First, chemoradiotherapy (CRT) ( S-1 80 mg/body+total of 65 Gy per 26 Fr) for #12 LN and PTT was performed and, in turn, stereotactic radiation therapy (SRT: total of 52.8 Gy per 4 Fr) was performed. A complete response in all of tumors was noted and he was presently alive with no sign of recurrence after 19 months after CRT and SRT. Grade 3 or 4 adverse events were not recognized. It is thought that radiation therapy is one of effective treatments for localized metastasis from gastric cancer.
Available from: Tomoaki Ito
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Here, we report a case of duodenal intramural metastasis from gastric cancer, which is extremely rare.
Presentation of case:
A 72-year-old man was admitted to our hospital with a chief complaint of lack of appetite in 2010. An endoscopic evaluation detected a Borrmann type 2 tumor occupying the lesser curvature of the gastric body and antrum, and pyloric stenosis. The patient underwent total gastrectomy. In an examination of the resected specimen, a type 2 tumor was identified in the middle gastric body and antrum, and a submucosal tumor was detected in the duodenal bulb. A histopathological examination demonstrated that the gastric tumor was not contiguous with the duodenal submucosal tumor. A microscopic examination demonstrated that the gastric tumor was a moderately to poorly differentiated adenocarcinoma and displayed lymphatic permeation. The duodenal submucosal tumor was also found to be an adenocarcinoma and was similar to the gastric tumor; therefore, we diagnosed the duodenal tumor as an intramural metastasis from gastric cancer.
The most common route of metastasis from gastric cancer involves hematogenous metastasis, lymph node metastasis, and peritoneal metastasis. Intramural metastasis from gastric cancer is rare and has been reported to be a variant of lymphogenic metastasis. The clinicopathological features of patients with duodenal intramural metastasis from gastric cancer are unclear because only one case of the condition has been reported.
Duodenal intramural metastasis from gastric cancer is an advanced form of cancer, and we suggest that it should be treated with surgical resection followed by adjuvant therapy.
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