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A Case of Colonic Duplication Cyst Mimicking Gastrointestinal Stromal Tumor
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Hee Chul Jung, Seok Won Jung, In Du Jeong, Sung Jo Bang, Jung Woo Shin, Neung Hwa Park, Young Min Kim, Dae Hwa Choi, Do Ha Kim
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Intest Res 2009;7(1):64-67. Published online June 30, 2009
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 Abstract
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- Duplications of the gastrointestinal tract are rare congenital malformations that are usually present during the first decade of life. However, a smaller number of cases may remain occult until adulthood. Overall, the colon is the least common site of congenital gastrointestinal duplications. Colonic duplications can present with symptoms of diverticulitis and can be confused with acquired giant cysts or masses. We present a rare case of a duplication cyst of the colon in a female adult. Although the preoperative evaluations, including an abdominal CT scan and colonoscopy, were suggestive of a gastrointestinal tumor of the colon, the final diagnosis was a colonic duplication cyst based on the histopathologic examination of the resected specimen. Even if intestinal duplication cysts are uncommon, they should be considered in the differential diagnosis of intestinal masses. (Intest Res 2009;7:64-67)
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Risk Factors for Lymph Node Metastasis after Endoscopic Resection for Early Colorectal Cancer
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Kyung Hoon Lim, Seok Won Jung, In Du Jeong, Sung Jo Bang, Jung Woo Shin, Neung Hwa Park, Hye-Jeong Choi, Dae Hwa Choi, Do Ha Kim
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Intest Res 2008;6(2):103-109. Published online December 30, 2008
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- Background/Aims
Although endoscopic resection is widely used for the treatment of early colorectal cancer, the risk factors for lymph node metastasis are not clear. This study was designed to determine the risk factors for lymph node metastasis in patients with colorectal cancer who are treated by endoscopic resection. Methods: The medical records of patients with histologically-proven early colorectal cancers who were treated by endoscopic resection between January 2002 and September 2008 were retrospectively reviewed. Information regarding the demographic data of patients and the clinicopathologic characteristics were recorded and analyzed. Results: Twenty-nine patients who underwent subsequent surgical treatment after endoscopic resection for early colorectal cancer were enrolled in this study. Six patients (20.7%) had lymph node metastases on surgical pathologic examination. The predictive factors for lymph node metastasis were tumor morphology (non-polypoid flat tumors [p=0.019]), absence of background adenomas (p=0.033), and deep submucosal invasion ≥2,000 um (p=0.012). Unexpectedly, the presence of vascular invasion was not associated with lymph node metastasis. Conclusions: The presence of vascular invasion might not be an absolute indication for additional surgical treatment of early colorectal cancer; however, deep submucosal invasion, accompanied by a gross tumor with a non-polypoid flat morphology, and the absence of background adenomas are potential risk factors for lymph node metastasis. (Intest Res 2008;6:103-109)
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