2021-10-13|閱讀時間 ‧ 約 2 分鐘

[GI] Case 41

    51歲男性,主訴腹部不適,沒有特定的誘發因子
    C+ CT shows an hypoenhanced lesion in the pancreatic tail, with adjacent soft tissue invasion.
    C+ CT shows an hypoenhanced lesion in the pancreatic tail, with adjacent soft tissue invasion.
    Ans: pancreatic adenocarcinoma; ddx: lymphoma, metastasis
    ***Pancreatic tumor 鑑別診斷,包含adenocarcinoma, lymphoma, neuroendocrine tumor, solid pseudopapillary tumor, metastasis
    這裡有幾個注意點:
    1. adenocarcinoma通常會出現周邊血管/結構encasement 情形
    2. 最常見的胰臟hypervascular tumor是neuroendocrine tumor
    3. Solid pseudopapillary tumor少見,典型影像學特徵為mixed solid and cystic well-defined mass,出現在年輕女性
    4. hypervascular metastasis來源:melanoma, breast cancerm RCC
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