题名

神經影像（六十三）小腸基質瘤壞死合併大腸穿孔

DOI

10.6666/ClinMed.2017.80.5.124

作者

潘慧本

关键词

胃腸道基質腫瘤(gastrointestinal stromal tumor, GIST) ； 完全壞死(completed necrosis) ； 膿腫形成(abscess formation) ； 結腸穿孔colon perforation

期刊名称

臨床醫學月刊

卷期/出版年月

80卷5期（2017 / 11 / 24）

页次

678 - 681

内容语文

繁體中文
中文摘要

典型有症狀的胃腸道基質腫瘤(gastrointestinal stromal tumor, GIST)在CT檢查的特徵為腫瘤體積通常比較大，外生性，因血管豐富，注射顯影劑後通常會有明顯的顯影，腫瘤中間可能因血流供應不足而有壞死。當腫瘤幾乎完全壞死，剩下仍存活的腫瘤組織不多的時候，容易被忽略，誤以為不是一個腫瘤。故此，出現一個很難解釋的腹部膿瘍，也要考慮小腸基質瘤完全壞死這個可能性。基質瘤急性破裂會以出血的形式表現，慢性則侵犯附近的組織器官，形成瘻管。這個病例，小腸基質瘤有侵犯到附近器官的大腸，引起缺血性穿孔而導致氣腹，則是不尋常的表現。故此，腹部出現大量的游離氣體的時候，需要考慮急性的腸胃道穿孔，而非膿瘍斑點狀氣體的破裂。
主题分类 醫藥衛生 > 基礎醫學
醫藥衛生 > 社會醫學
参考文献
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