[
Abstract]
[
Full Text PDF] （in Japanese / 2536KB）
[Members Only And Two Factor Auth.] J.Jpn. Surg. Soc.. 92(11): 1577-1582, 1991
Original article
CLINICOPATHOLOGICAL AND HISTOCHEMICAL STUDIES OF LINITIS PLASTICA TYPE
GASTRIC CANCER WITH SPECIAL REFERENCE TO EARLY GASTRIC
CANCER IN THE REGION OF THE FUNDIC GLAND
Early gastric cancer in the region of the fundic gland was found to occur predominantly in women. Many lesions of this type were identified in the posterior wall of the middle portion of the stomach. Histologically, the lesions were classified as poorly differentiated carcinomas in all cases of early cancer. In 9 patients with cancer of linitis plastica type having IIc lesions located in the region of the fundic gland, the tumor focus was also in posterior wall of the middle portion of the stomach. Giant folds were present diffusely in all other portions of the gastric mucosa in these latter cases. These cases also had diffuse infiltration of cancer cells into the submucosa, muscle layer and extraserosal regions. Histologically, the lesions were classified in all cases of linitis plastica type as poorly differentiated carcinomas including signet ring cells. Acid mucopolysaccharides (AMPS) and sialic acid were histochemically detected in the interstitial tissues of early gastric carcinomas and linitis plastica type gastric cancers. The AMPS digestion rates were higher for early cancer tissue. The present results support the hypothesis that early gastric cancer in the region of the fundic gland may occur in conditions favoring tumor growth and may develop into cancer of llnltis plastica type.
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