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目的:探讨后肾腺瘤(MA)的临床表现、影像学及病理学特征,深化对其诊断与治疗的认识。方法:回顾性分析2例MA患者的临床资料,结合相关文献复习探讨MA的临床表现、影像学特征、病理结果、鉴别诊断、手术方法及预后。结果:2例患者术前诊断为肾肿瘤,1例行肾根治性切除术,1例行保留肾单位手术(NSS),术后病理检查均为MA。例1随访12个月,例2随访3个月,均未出现复发及转移。结论:MA是一种罕见的肾脏上皮组织良性肿瘤,常误诊为肾癌,术前增强CT对诊断有帮助,最终诊断往往需要依靠术后病理检查。因MA的良性生物学行为,NSS为其理想的治疗选择,但术后需要密切随访。
Objective: To investigate the clinical manifestations, radiological and pathological features of posterior renal adenoma (MA), and to deepen the understanding of its diagnosis and treatment. Methods: The clinical data of 2 MA patients were retrospectively analyzed. The clinical manifestations, imaging features, pathological findings, differential diagnosis, surgical methods and prognosis of MA were reviewed. Results: Two patients were diagnosed as renal tumors preoperatively, one underwent radical nephrectomy, and one underwent nephron sparing surgery (NSS). The postoperative pathological examination was MA. Cases of follow-up of 12 months, 2 cases were followed up for 3 months, no recurrence and metastasis. Conclusion: MA is a rare benign tumor of renal epithelial tissue, often misdiagnosed as renal cell carcinoma. Preoperative enhanced CT is helpful in the diagnosis. The final diagnosis usually depends on the postoperative pathological examination. Because of its benign biological behavior, NSS is the ideal treatment option, but requires close follow-up.