【PPT】肾脏实性肿瘤的MR鉴别诊断

25 12月

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

肾透明细胞癌

Clear cell RCC

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

乳头状肾细胞癌

Papillary RCC

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

肾嫌色细胞癌

Chromophobe RCC

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

血管平滑肌脂肪瘤(错构瘤)AML

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

乏脂错构瘤

Lipid-poor AML

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

嗜酸细胞腺瘤 Oncocytoma

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

小  结

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

【PPT】肾脏实性肿瘤的MR鉴别诊断

原文、摘要及结论:

Differentiation of Solid Renal Tumors with Multiparametric MR Imaging. RadioGraphics 2017; 37:2026–2042

Abstract

Characterization of renal tumors is critical to determine the best therapeutic approach and improve overall patient survival. Because of increased use of high-resolution cross-sectional imaging in clinical practice, renal masses are being discovered with increased frequency. As a result, accurate imaging characterization of these lesions is more important than ever. However, because of the wide array of imaging features encountered as well as overlapping characteristics, identifying reliable imaging criteria for differentiating malignant from benign renal masses remains a challenge. Multiparametric magnetic resonance (MR) imaging based on various anatomic and functional parameters has an important role and adds diagnostic value in detection and characterization of renal masses. MR imaging may allow distinction of benign solid renal masses from several renal cell carcinoma (RCC) subtypes, potentially suggest the histologic grade of a neoplasm, and play an important role in ensuring appropriate patient management to avoid unnecessary surgery or other interventions. It is also a useful noninvasive imaging tool for patients who undergo active surveillance of renal masses and for follow-up after treatment of a renal mass. The purpose of this article is to review the characteristic MR imaging features of RCC and common benign renal masses and propose a diagnostic imaging approach to evaluation of solid renal masses using multiparametric MR imaging.

Conclusion

Recognition of the most important imaging features of solid renal masses may assist in their proper diagnosis and management. Multiparametric MR imaging as a noninvasive imaging method provides critical information that can help in differentiation of the most common solid renal masses, including the common RCC subtypes and AMLs, and as a result may assist in selecting the most appropriate management and follow-up of these lesions.

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