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Gastric bare area involvement by gastric carcinoma: CT features and anatomic-pathological bases
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 3
- DOI:
- 10.3760/j.issn:1005-1201.2006.03.006
- Key Word:
- 胃肿瘤;解剖学;体层摄影术,X线计算机
Abstract： 目的探讨胃癌侵犯胃裸区(GBA)的CT表现和解剖病理基础.方法回顾性分析110例近侧胃癌(PGC)连续性病例的CT资料,其中外科手术和病理证实GBA受到肿瘤侵犯46例.观察胃癌侵犯GBA的CT表现特征,分析CT征象的解剖病理基础.结果 46例中有38例表现为GBA内软组织肿块,8例表现为结节状淋巴结.胃癌侵犯GBA病例的CT征象有:(1)GBA增宽,胃壁与膈肌之间的薄层脂肪间隙中断或消失(36例).(2)GBA内可见不均匀强化的软组织密度肿块(38例)或类圆形淋巴结(8例).(3)左膈脚及胃膈韧带不规则增厚并与肿瘤分界不清(25例).(4)膈下腹膜后间隙其他转移性淋巴结肿大(3例).结论胃癌侵犯GBA有一定的CT表现特征.解剖位置和淋巴引流是PGC侵犯GBA的重要原因,并且可能与PGC的预后较差有关.
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