Lopez-Fontana Gaston, Gallegos Ivan, Sepúlveda Francisco, Bonomo Jose Ignacio, Castillo Octavio A
Urology Department, Clínica Indisa, Faculty of Medicine, Andres Bello University, Santiago, Chile.
Arch Esp Urol. 2012 Sep;65(7):713-6.
To report an unusual case of renal tumor and review the literature.
We present a 20 years old female with a history of acute right pyelonephritis. The ultrasound study revealed a tumor-like image in the lower pole of the right kidney . The CT-scan showed a mixed solid and cystic mass of 7 cm. in the lower pole of the right kidney.
A right laparoscopic partial nephrectomy was performed. The total operative time was 90 minutes, with 24 minutes of warm ischemia. The estimated blood loss was 50 ml. and the length of stay (LOS) 36 hours. The pathology findings confirm a mixed epithelial and stromal tumor (MEST) of the kidney.
Mixed epithelial and stromal tumor (MEST) of the kidney is a benign and rare condition that doesn't show a clear difference with other renal tumors in image studies. Nephron-sparing surgery with margin study is the standard treatment when is feasible.
报告一例罕见的肾肿瘤病例并复习相关文献。
我们报道一名20岁女性，有急性右肾盂肾炎病史。超声检查显示右肾下极有一个肿瘤样图像。CT扫描显示右肾下极有一个7厘米的实性和囊性混合肿块。
进行了右侧腹腔镜部分肾切除术。总手术时间为90分钟，热缺血时间为24分钟。估计失血量为50毫升，住院时间为36小时。病理结果证实为肾混合上皮和间质肿瘤（MEST）。
肾混合上皮和间质肿瘤（MEST）是一种良性且罕见的疾病，在影像学检查中与其他肾肿瘤无明显差异。可行时，保留肾单位手术并进行切缘检查是标准治疗方法。
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