Wilms tumor | Radiology Reference Article | Radiopaedia.org
2024年11月13日 · Wilms tumor appears as solid mass on ultrasound that may have vascular invasion with smooth margins. Cystic or necrotic areas may be anechoic and hypoechoic respectively while hemorrhage/fat/calcification appear as hyperechoic 14. Doppler examination can be performed to examine the renal vein and IVC to …
Wilms tumour | Radiology Reference Article - Radiopaedia.org
2024年11月13日 · Wilms tumour appears as solid mass on ultrasound that may have vascular invasion with smooth margins. Cystic or necrotic areas may be anechoic and hypoechoic respectively while haemorrhage/fat/calcification appear as hyperechoic 14 .
Focal Cystic Abdominal Masses in Pediatric Patients - AJR
2012年11月23日 · On ultrasound, cystic Wilms tumors are anechoic intrarenal masses . Although the diagnosis of cystic Wilms tumor and vascular extension can be made on ultrasound, CT may be used to confirm the renal origin of the tumor, its margins, and the local and distant metastases ( …
Wilms Tumor Imaging: Practice Essentials, Radiography ... - Medscape
2023年3月26日 · Epithelial nephroblastomatosis, or cystic Wilms tumor, is less malignant than Wilms tumor and may appear cystic or papillary. In its benign form, it gives rise to a multilocular cystic renal...
ULTRASONIC DIAGNOSIS OF WILMS’ TUMORS - AJR
The ultrasound reflection characteristics in 5 patients with Wilms’ tumors are described. In the A-scope, the amplitude of the tumor echoes is not distinguishable from that of the kidney and liver, so that the boundary between tumor and renal or, if …
Imaging of Wilms tumor: an update | Pediatric Radiology - Springer
2019年10月16日 · In this manuscript we describe an evidence-based approach to the initial evaluation of Wilms tumor using current guidelines from the Children’s Oncology Group (COG). We illustrate the COG staging system for pediatric renal tumors and highlight key imaging findings that are critical for surgical management.
Imaging for Staging of Pediatric Abdominal Tumors: An Update
2021年4月7日 · Imaging is critical in Wilms tumor to detect distant metastasis, contralateral synchronous lesions, and tumor thrombus in the intrahepatic IVC or higher. Hepatoblastoma is staged with PRETEXT, preferably with MRI; PRETEXT reflects the number of contiguous liver sections to be removed for complete tumor resection.
Pediatric Renal Masses: Wilms Tumor and Beyond
2000年11月1日 · Wilms tumor is distinguished by vascular invasion and displacement of structures and is bilateral in approximately 10% of cases. Nephroblastomatosis occurs most often in neonates and is characterized by multiple bilateral subcapsular masses, often associated with …
Wilms tumor: ultrasonic features, pathologic correlation, and ...
The gray-scale ultrasonic features of Wilms tumor are reported with pathologic comparison. The most consistent ultrasonic features are large size, sharp margination, and echogenic heterogeneity. The frequently observed anechoic areas correlated with hemorrhage and necrosis.
Imaging of Wilms tumor: an update - PubMed
In this manuscript we describe an evidence-based approach to the initial evaluation of Wilms tumor using current guidelines from the Children's Oncology Group (COG). We illustrate the COG staging system for pediatric renal tumors and highlight key imaging findings that are critical for surgical management.
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