Ultrasonographic findings of renal oncocytoma

WANG Jingjing; HUANG Beijian; LI Cuixian; LI Cong; YAN Lixia; XUE Liyun; WANG Peilei; LU Beilei; WANG Wenping

doi:10.19732/j.cnki.2096-6210.2019.03.009

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Ultrasonographic findings of renal oncocytoma

更新时间：2025-12-15

- Ultrasonographic findings of renal oncocytoma
- Vol. 28, Issue 3, Pages: 170-175(2019)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19732/j.cnki.2096-6210.2019.03.009
  CLC：
- Published Online：19 July 2019，
  
  Published：19 July 2019
- 稿件说明：
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王晶晶,黄备建,李翠仙,等. 肾嗜酸细胞瘤的超声表现分析[J]. 肿瘤影像学, 2019, 28(3): 170-175 https://doi.

org/10.19732/j.cnki.2096-6210.2019.03.009
王晶晶,黄备建,李翠仙,等. 肾嗜酸细胞瘤的超声表现分析[J]. 肿瘤影像学, 2019, 28(3): 170-175 https://doi. DOI： 10.19732/j.cnki.2096-6210.2019.03.009.

org/10.19732/j.cnki.2096-6210.2019.03.009 DOI：

摘要

目的：

探讨肾嗜酸细胞瘤（renal oncocytoma，RO）的超声表现。

方法：

分析经手术后病理学检查证实的22例RO患者的超声表现，归纳其声像图特征，包括肿瘤位置、大小、形态、边界、内部回声、后方回声、血供特点及超声造影表现等。

结果：

22例患者RO均位于单侧肾脏。17例肿块内部呈等回声或（稍）高回声，3例肿块内部见放射状低回声；13例肿块边界清或尚清；7例肿块后方回声增强，其中6例为高回声肿块；17例肿块内部见丰富或较丰富彩色血流。6例肿块行超声造影检查：皮质期均与肾皮质同步增强，达峰值时2例呈稍低回声，4例呈等回声，其中1例见放射状始终不增强区；实质期3例减退快于肾皮质，1例同步减退，2例缓慢减退，2例肿瘤实质期见假包膜回声。

结论：

RO多为界清的等回声或稍高回声，后方回声可增强的血供较丰富肿块，内部可见中心放射状瘢痕。超声造影多为同步均匀增强快速减退为主，达峰值呈等或低回声，实质期可出现假包膜，内部可见放射状始终不增强区。

Abstract

Objective:

To investigate the ultrasonographic manifestations of renal oncocytoma（RO）.

Methods:

Analyzed the ultrasonographic findings of 22 patients with RO confirmed by surgical pathology. Summarized the characteristics of ultrasound images. It included tumor location

size

morphology

boundary

internal echo

blood supply characteristics and contrast-enhanced ultrasonography.

Results:

RO was located in unilateral kidney in 22 patients. 17 cases had equal echo or high echo

and 3 tumors showed radially hypoechoic interior. 7 cases showed posterior echo enhancement

6 cases were hyperechoic. Rich or more

abundant of color blood flow was in 17 cases. 6 cases did contrast-enhanced ultrasound examination

6 cases were syndichously enhanced with the renal cortex. At the peak

2 cases presented slightly low echo

4 cases showed isoecho

radially unenhanced areas were always observed in 1 case. In the parenchymal stage

fast wash-out was displayed in 3 cases

isochronously wash-out in 1 case，delay washout in 2 cases，2 cases of them displayed pseudocapsule echo in the delay.

Conclusion:

Most RO tumors are isoecho with clear boundaries or rich blood supply tumor with slightly higher echo. The echo behind the tumor can be enhanced

and central radial scar can be seen inside. Contrast-enhanced ultrasound is mainly synchronous uniform enhancement with rapid decrease

equal or low echo at peak

pseudo capsule can be seen in parenchymal phase

and radially unenhanced area can be seen inside.

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