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題名 | Hemorrhagic Gastric Glomus Tumor Mimicks a Leiomyosarcoma on Both Transabdominal and Endoscopic Ultrasonography: Case Report=經腹部超音波及經內視鏡超音波影像類似胃平滑肌肉瘤的出血性胃球狀瘤:病例報告 |
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作者 | 蔡東隆; 蕭志銘; 張簡吉幸; Tsai, Tung-lung; Hsiaw, Chi-ming; Changchien, Chi-sin; |
期刊 | 長庚醫學 |
出版日期 | 19991200 |
卷期 | 22:4 1999.12[民88.12] |
頁次 | 頁687-691 |
分類號 | 415.527 |
語文 | eng |
關鍵詞 | 胃球狀瘤; 經內視鏡超音波; 經腹部超音波; Gastric glomus tumor; Endoscopic ultrasonography; Transabdominal ultrasonography; |
中文摘要 | 球狀瘤(glomus tumor)又稱球狀血管瘤(glomangioma),是一種由球狀體(glomus body)的平滑肌細胞所增生而分化出的罕見之良性腫瘤。好發在皮膚尤其是指尖及指甲的位 置。胃球狀瘤是一種罕見的胃黏膜下(submucosa)腫瘤,經內視鏡超音波(endoscopic ultrasonography)可以用來分辨胃黏膜下腫瘤,例如:平滑肌肉瘤(leiomyoma),脂肪瘤 (lipoma)、異位性胰臟(ectopic pancreas),胃球狀瘤等(gastric glomus tumor)。文獻報 告胃球狀瘤的超音波影像呈現均勻或不均勻低回音,混合腫瘤中央點狀高回音。本篇提出一 個出血性(hemorrhagic)胃球狀瘤病例報告,使用經內視鏡超音波及經腹部超音波 (transabdominal ultrasonography)檢查顯示出五層胃壁構造,這個腫瘤位於胃肌肉層 (gastric muscle layer)則呈現出類似胃平滑肌肉瘤(gastric leiomyosarcoma)的不均勻回 音伴隨腫瘤中央無回音區超音波影像。 |
英文摘要 | Glomus tumor is a benign tumor that arises from the modified smooth muscle cells of the glomus body and usually occurs in the skin, particularly in the nailbeds and fingertips. Gastric glomus tumor is a rare gastric submucosal tumor. Endoscopic ultrasonography (EUS) is useful in differentiating the gastric submucosal tumors, such as leiomyoma, leiomyosarcoma, lipoma, ectopic pancreas and glomus tumor. On sonography, gastric glomus tumor appears as a homogenous hypoechoic or a heterogenous low echoic pattern mixed with internal high echoic spots. Here, we describe an unusual sonographic figure of a hemorrhagic gastric glomus tumor on both EUS and high-resolution transabdominal ultrasonography (TAU). This tumor was located in the gastric muscular layer. Sonographic examination revealed a heterogenous echogenicity with hyper- and anechoic areas, which mimicked the echoic pattern of gastric leiomyosarcoma. |
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