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目的:提高对多房性囊性肾癌(MCRCC)的诊治水平。方法:2006年1月～2011年3月我院共收治MCRCC患者12例,男8例,女4例,平均年龄50岁。该组患者均于体检时发现。术前均行B超、CT检查,其中有3例又行MRI检查,术前诊断囊实性占位10例,诊断肾囊肿2例,4例行根治性肾切除,6例行肾部分切除,1例术中病理为良性,行去顶减压术,术后病理为恶性而二次行肾切除术。1例患者术中取病理回报为恶性而行肾切除。结果:该组患者术后病理均证实为MCRCC,肿瘤最大直径为2.5～8.0cm,平均4.0cm。TNM分期均为T1N0M0期。病理分级G110例,G22例。随访3～62个月,平均36个月,均无瘤生存。结论:MCRCC恶性度低,预后好。术前诊断主要依赖于影像学检查,但影像学检查无特异性,不易与多房性肾囊肿鉴别,肾部分切除术是治疗的最佳选择。
Objective: To improve diagnosis and treatment of multilocular cystic renal cell carcinoma (MCRCC). Methods: From January 2006 to March 2011, 12 patients with MCRCC were treated in our hospital. There were 8 males and 4 females, with an average age of 50 years. The group of patients were found on physical examination. Preoperative B-ultrasound, CT examination, of which 3 cases underwent MRI examination, preoperative diagnosis of cystic solid in 10 cases, diagnosis of renal cysts in 2 cases, 4 cases of radical nephrectomy, 6 cases of partial nephrectomy , One case of benign pathology, the line to the top decompression, postoperative pathology is malignant and the second line of nephrectomy. One patient had histopathologic findings of malignancy and nephrectomy. Results: The postoperative pathology of this group was confirmed as MCRCC. The maximum diameter of the tumor was 2.5 ~ 8.0cm with an average of 4.0cm. TNM staging is T1N0M0 period. Pathological grading G110 cases, G22 cases. Follow-up 3 to 62 months, an average of 36 months, no tumor-free survival. Conclusion: MCRCC has low grade of malignancy and good prognosis. Preoperative diagnosis mainly depends on imaging examination, but the imaging examination is nonspecific, not easy to identify with multi-chamber renal cysts, partial nephrectomy is the best choice for treatment.