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Gastric xanthoma is a predictive marker for metachronous and synchronous gastric cancer
Narihiro Shibukawa1, Shohei Ouchi1, Shuji Wakamatsu1
1Narihiro Shibukawa, Shohei Ouchi, Shuji Wakamatsu, Yuhei Wakahara, Akira Kaneko, Department of Gastroenterology, NTT West Osaka Hospital, Tennoji-ku, Osaka 543-8922, Japan.
Aim:
To investigate predictive markers for metachronous and synchronous gastric cancer (GC), which can develop after endoscopic submucosal dissection (ESD).
Methods:
A total of 352 patients underwent ESD for early GC at NTT West Osaka Hospital between June 2006 and February 2016. Exclusion criteria were as follows: Remnant stomach, unknown Helicobacter pylori status, and endoscopic observation of the whole stomach outside our hospital. We analyzed data from 192 patients comprising 109 patients with solitary GC (Group A) and 83 with metachronous and synchronous GC (Group B). We retrospectively investigated the clinicopathological and endoscopic characteristics, and endoscopic risk score as predictive markers for GC.
Results:
The median age of Group B [72 years (interquartile range 63-78)] was significantly higher than that of Group A [66 years (interquartile range 61-74), respectively, P = 0.0009]. The prevalence of intestinal metaplasia in Group B tended to be higher than that in Group A (57.8% vs 45.0%, P = 0.08). The prevalence of gastric xanthoma (GX) in Group B was significantly higher than that in Group A (54.2% vs 32.1%, P = 0.003). The atrophy score in Group B was significantly higher than that in Group A (P = 0.005). Multivariate analysis revealed that higher age and the presence of GX were independently related to metachronous and synchronous GC [OR = 1.04 (1.01-1.08), P = 0.02; and OR = 2.11 (1.14-3.99), P = 0.02, respectively].
Conclusion:
The presence of GX is a useful predictive marker for metachronous and synchronous GC.
