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- W2362249675 abstract "Objective To analyze the MSCT features of nephroblastoma(Wilms' tumor), and to improve the diagnostic accuracy of nephroblastoma. Methods Imaging studies of 45 patients with proven nephroblastoma by surgery and histopathology were reviewed, including 22 females and 23 male, and the mean age was 2.9 years old. The Philips Brilliance 16-slice CT was used with the following acquisition parameters: 5-mm slice thickness, and 5-mm slice interval. Enhanced scanning was performed after highpressure injection of 2ml/kg(300 mg/ml) non-ionic contrast agent. The images were reprocessed by multiplanar reformation(MPR) and maximum density projection(MIP) reconstruction. Results All lesions in our study presented masses of heterogeneous density. Most tumors were unilatera. There were more tumors appear in the upper pole of kidney than that in the lower pole. The masses showed uneven enhancement, often with necrosis, hemorrhage and cystic changes, and few tumors had calcification. Typical radiographic findings in patients with nephroblastoma were that the remaining kidney presented crescent-shaped enhancement. Most masses crossed the body center line, but none crossed around the main blood vessel in retroperitoneum. The metastatic lymph nodes were mostly seen in retroperitoneal or posterior to diaphragmatic crus. The performance of the vascular involvement was displayed clearly through MPR and MIP reconstruction. Conclusion The nephroblastoma often occur in children under the age of four. The manifestations of nephroblastoma in MSCT had certain characteristics. The masses could have uneven enhancement and the presence of crescent-shaped enhancement can be contribute to the diagnosis of nephroblastoma." @default.
- W2362249675 created "2016-06-24" @default.
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- W2362249675 date "2014-01-01" @default.
- W2362249675 modified "2023-09-23" @default.
- W2362249675 title "MSCT Diagnosis of Nephroblastoma in Children" @default.
- W2362249675 hasPublicationYear "2014" @default.
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