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189.Right Renal Pseudolesion(右腎假性病變)

2021-12-20由 健康界 發表于 漁業

右腎病變是什麼意思

作者:腹部醫學影像論壇

HISTORY: A 50-year-old male with a history of a right renal cell carcinoma status post-partial right nephrectomy。

病史:男性50歲,右腎細胞癌行右腎後極切除術。

189.Right Renal Pseudolesion(右腎假性病變)

FINDINGS: Axial CT of the abdomen demonstrates a 4-cm “fatty” lesion along the lateral periphery of the right kidney (Fig。 13。21。1)。

影像表現:腹部軸位CT可見右腎外側緣約4cm的脂肪病變。

DIAGNOSIS: Right renal pseudolesion caused by fat packing from previous partial nephrectomy

診斷:右腎部分腎切除術後脂肪填充形成的假性病灶。

DISCUSSION: A case such as this reminds the radiologists of the importance of clinical history, particularly prior surgical intervention。 For patients who are status post-partial nephrectomy, the postoperative kidney typically has a wedge-shaped parenchymal defect, usually abuts and adheres to the dorsal abdominal wall, and shows adjacent fibrotic or reactive changes in the perinephric space。 In some cases (as this one showed), the surgeon chooses to pack the surgical defect with fat to lower the possibility of postoperative bleeding。 Over time, the adipose-rich packing material can take on a similar appearance to an AML and misdiagnosis can easily occur without a thorough investigation for any prior renal surgeries。

討論:這則病例提示影像科醫生診斷中結合臨床病史的重要性,尤其是手術史。對於部分腎切除術的患者,腎臟上有典型的楔形缺損,通常緊鄰背側腹壁,導致腎周間隙纖維化或者反應性改變。在某些病例中,醫生會選擇用脂肪材料來填充切除組織,降低出血風險。隨時間增長,富含脂肪成分的材料可呈類似血管平滑肌脂肪瘤的表現。若沒有對手術史詳細瞭解,很容易誤診。

以上主題選自: 腹部影像病例匯

Notes:

1。 nephrectomy [nɪ‘frektəmɪ] n。 腎切除術

2。 pseudolesion [’su:doʊ] 假病灶

3。 parenchymal [pə‘rəŋkəməl] 實質的

4。 dorsal [ˈdɔ:rsl] adj。 背的

5。 perinephric 腎周的

深圳市人民醫院放射科副主任醫師楊敏潔

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