The Value of Color Doppler Ultrasound in the Diagnosis of Renal Schwannoma_West China Medical Journal

Authors：

 YangLei

Department of Ultrasound, the First People's Hospital of Chengdu City, Chengdu, Sichuan 610041, P. R. China;

Corresponding author：

Keywords：

Color Doppler ultrasound; Renal schwannoma; Diagnosis

DOI：

10.7507/1002-0179.20160020

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Objective To investigate the sonographic characteristics and diagnostic value of color Doppler sonography for patients with renal schwannoma. Methods Ten patients with pathologically confirmed renal schwannoma dimensional ultrasonography treated between January 2008 and May 2014 were included in this study. We analyzed and summarized their color flow distribution characteristics. Results The ultrasound of the 10 patients showed substantial hypoechoic mass with clear boundary and complete capsule; color Doppler flow imaging displayed mass within the probe and a small amount of dotted blood flow information or no obvious blood flow information. Four patients were suspected to have schwannoma before surgery by ultrasound diagnosis, while the remaining 6 cases only showed benign lesions without clear diagnosis. All the patients underwent surgery subsequently under laparoscope, and resection of the tumor was performed with the integrity of normal kidney tissue retained. Postoperative recovery was good, and follow-up did not detect any recurrence. Conclusion Color Doppler ultrasound has a certain specificity on the diagnosis of renal schwannoma. Combined with other examination methods, it can not only give the clinicians a good suggestion, but avoid laparotomy.

Citation： YangLei. The Value of Color Doppler Ultrasound in the Diagnosis of Renal Schwannoma. West China Medical Journal, 2016, 31(1): 79-81. doi: 10.7507/1002-0179.20160020 Copy

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14.	Inokuchi T, Takiuchi H, Moriwaki Y, et al. Retroperitoneal ancient schwannoma presenting as an adrenal incidentaloma:CT and MR findings[J]. Magn Reson Imaging, 2006, 24(10):1389-1393.
15.	刘菊先, 彭玉兰, 向波, 等. 神经鞘瘤的超声表现特征及其诊断价值[J]. 四川大学学报:医学版, 2008, 39(5):865-867.
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1. Giglio M, Giasotto V, Medica M, et al. Retroperitoneal ancient schwannoma:case report and analysis of clinico-radiological findings[J]. Ann Urol(Paris), 2002, 36:104-106.
2. Zamecnic M, Koys F. Retroperitoneal schwannoma with features of gastro interstinal schwannoma. A case report[J]. Cesk Patol, 2003, 39(1):36-38.
3. Phillips CA, Baumrucker G. Neurilemmoma (arising in the hilus of left kidney)[J]. J Urol, 1955, 73(4):671-673.
4. 崔文俊, 刘爱连, 刘静红, 等. 肾门神经鞘瘤1例[J], 中国临床医学影像杂志, 2014, 25(6):453-455.
5. 唐正严, 丁见, 祖雄兵, 等. 泌尿生殖系神经鞘瘤(附7例报告)[J]. 临床泌尿外科杂志, 2006, 21(5):358-359.
6. Okazaki M, Ylshimura K, Suzuki Y, et al. The mechanism of epidermal hyperpigmentation in cafe-au-lait macules of neurofibromatosis type 1 (von Recklinghausen's disease) may be associated with dermal fibroblast-derived stem cell factor and hepatocyte growth factor[J]. Br J Dermatol, 2003, 148(4):689-697.
7. Claessens N, H eymans O, Arrese J E, et al. Cutaneous psammomatous melanotic schwannoma:non-recurrence with surgical excision[J]. Am J Ckin Dermatol, 2003, 4(11):799-802.
8. 王晓, 董胜国, 杨青博, 等. 肾周雪旺细胞瘤1例报告[J]. 现代泌尿外科杂志, 2007, (6):377.
9. 林亦海. 散发神经鞘瘤22号染色体杂合子丢失发生的研究[J]. 中国微侵袭神经外科杂, 2007, 12(10):454-456.
10. 刘冲, 安晓静, 石群立, 等. 肾脏神经鞘瘤一例报告伴文献复习[J]. 诊断学理论与实践, 2009, 8(6):650-652.
11. 刘先东, 吴斌. 肾上腺神经鞘瘤的临床诊疗分析[J]. 现代肿瘤医学, 2010, 18(10):1999-2001.
12. 李清海, 严福华, 侯君. 等. 肾少见良性肿瘤的影像学诊断分析[J]. 放射学实践, 2008, 23(11):1235-1240.
13. Kitagawa K, Yam ahana T, Hirano S, et al. MR imaging of neurilemoma arising from the renal hilus[J]. J Comput Assist Tomogr, 1990, 14(5):830-832.
14. Inokuchi T, Takiuchi H, Moriwaki Y, et al. Retroperitoneal ancient schwannoma presenting as an adrenal incidentaloma:CT and MR findings[J]. Magn Reson Imaging, 2006, 24(10):1389-1393.
15. 刘菊先, 彭玉兰, 向波, 等. 神经鞘瘤的超声表现特征及其诊断价值[J]. 四川大学学报:医学版, 2008, 39(5):865-867.
16. 金进晓, 臧国礼, 陈日曙, 等. 超声造影对肾脏良恶性肿瘤的诊断价值[J]. 浙江创伤外科, 2012, 17(4):566-567.

West China Medical Journal

The Value of Color Doppler Ultrasound in the Diagnosis of Renal Schwannoma

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