Stellate scar sign of renal cell carcinoma

doi:10.1016/j.ajur.2015.09.001

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摘要 Stellate scar sign is defined as the centrally-placed, welldefined, stellate area of low density on computed tomography (CT) appearance of solid tumors. This kind of radiating enhancement from the center of the tumor, which is also referred as “a spoke-wheel-like enhancement” or central scar sign, usually has been recognized as a specific finding of renal oncocytoma. We describe a patient who developed clear cell renal cell carcinoma (RCC) displaying typical stellate scar sign on CT scans, which was confirmed by gross pathologic appearance.

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	Weibin Hou
	Guanghua Liu
	Zhigang Ji

Abstract: Stellate scar sign is defined as the centrally-placed, welldefined, stellate area of low density on computed tomography (CT) appearance of solid tumors. This kind of radiating enhancement from the center of the tumor, which is also referred as “a spoke-wheel-like enhancement” or central scar sign, usually has been recognized as a specific finding of renal oncocytoma. We describe a patient who developed clear cell renal cell carcinoma (RCC) displaying typical stellate scar sign on CT scans, which was confirmed by gross pathologic appearance.

收稿日期: 2015-01-28 修回日期: 2015-08-28 出版日期: 2015-10-01 发布日期: 2015-10-29 整期出版日期: 2015-10-01

通讯作者: Zhigang Ji E-mail: jizg1129@163.com

引用本文:

Weibin Hou, Guanghua Liu, Zhigang Ji. Stellate scar sign of renal cell carcinoma[J]. Asian Journal of Urology, 2015, 2(4): 244-245.
Weibin Hou, Guanghua Liu, Zhigang Ji. Stellate scar sign of renal cell carcinoma. Asian Journal of Urology, 2015, 2(4): 244-245.

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http://www.ajurology.com/CN/10.1016/j.ajur.2015.09.001 或 http://www.ajurology.com/CN/Y2015/V2/I4/244

[1]	Lou L, Teng J, Lin X, Zhang H. Ultrasonographic features of renal oncocytoma with histopathologic correlation. J Clin Ultrasound 2014;42:129-33.
[2]	Kondo T, Nakazawa H, Sakai F, Kuwata T, Onitsuka S, Hashimoto Y, et al. Spoke-wheel-like enhancement as an important imaging finding of chromophobe cell renal carcinoma: a retrospective analysis on computed tomography and magnetic resonance imaging studies. Int J Urol 2004;11: 817-24.
[3]	Woo S, Cho JY, Kim SH, Kim SY. Comparison of segmental enhancement inversion on biphasic MDCT between small renal oncocytomas and chromophobe renal cell carcinomas. AJR Am J Roentgenol 2013;201:598-604.
[4]	Leveridge MJ, Finelli A, Kachura JR, Evans A, Chung H, Shiff DA, et al. Outcomes of small renal mass needle core biopsy, nondiagnostic percutaneous biopsy, and the role of repeat biopsy. Eur Urol 2011;60:578-84.
[5]	Yousef GM, Ejeckam GC, Best LM, Diamandis EP. Collecting duct carcinoma associated with oncocytoma. Int Braz J Urol 2005; 31:465-9.

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