Gastric Xanthomas in the Elderly.

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  • Naito Michitaka
    Department of Geriatrics, Nagoya University School of Medicine
  • Miura Satoru
    Department of Geriatrics, Nagoya University School of Medicine
  • Funaki Chiaki
    Department of Geriatrics, Nagoya University School of Medicine
  • Tateishi Tohru
    Department of Geriatrics, Nagoya University School of Medicine
  • Kuzuya Fumio
    Department of Geriatrics, Nagoya University School of Medicine

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Other Title
  • 老年者胃黄色腫に関する研究　とくに血清脂質，胃粘膜組織像との関係について
  • ロウネンシャ イ オウショクシュ ニ カンスル ケンキュウ トクニ ケッセイ
  • とくに血清脂質, 胃粘膜組織像との関係について

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Abstract

Gastric xanthomas are single or multiple yellowish-white small nodules or plaques in the gastric mucosa. Microscopically they consist of macrophage-derived foam cells full of lipids. However, because of their benign nature, there are few reports of gastric xanthomas in the literature and their clinical significance still remains unknown. In this study, we studied 131 elderly cases (42 males and 89 females) with the average age of 75.6±12.3 (S. D.) years old who were examined gastroendoscopically. The endoscopic finding of gastric xanthomas was observed in 17 males (40.5%) and in 23 females (25.8%). Gastric xanthomas tended to increase with age, and the frequency was highest in the seventies (40.0%). Of the xanthoma cases, 42.5% had a solitary xanthoma, and 17.5% had more than 5 xanthomas. More than 70% of xanthomas were observed in antral and pyloric regions. There was no difference in serum lipids between the cases with and without xanthomas. Gastric mucosa biopsied from around xanthomas showed moderate to severe atrophic change of gastric glands in most cases (89%). Hyperplasia of gastric-pit epithelia and intestinal metaplasia were also often observed. However, there was no correlation between gastric xanthomas and small round cell infiltration in the gastric mucosa. It was concluded that gastric xanthomas in the elderly arise from the mucosa with atrophic change in most cases, which may have a disturbance of local lipid metabolism, and that the presence of gastric xanthomas may be a marker of the pathological aging change of gastric mucosa.

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