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Imaging Findings of Primitive Neuroectodermal Tumors of the Kidney

Cited 20 time in Web of Science Cited 25 time in Scopus
Issue Date
2009-12
Publisher
LIPPINCOTT WILLIAMS & WILKINS
Citation
JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY; Vol.33 6; 882-886
Keywords
malignant neoplasmkidney MRIprimitive neuroectodermal tumorkidney CT
Abstract
Purpose: This study was designed to present the radiological imaging findings of a renal primitive neuroectodermal tumor (PNET). Materials and Methods: The study included 10 patients with pathologically proven renal PNETs. We assessed the size, margin, internal architecture, enhancement pattern, vein thrombosis, and presence of a metastasis of the tumors on multidetector-row computed tomography and magnetic resonance imaging. Results: The mean age of the patients was 31 years. Patients were predominantly male (males-females, 8:2). The mean diameter of a renal PNET was 12.7 cm. All masses were well defined with a lobulated contour. Necrosis and hemorrhage were detected in 9 cases, respectively All of the masses showed weak heterogeneous enhancement with multiple irregular septumlike structures. Eight of the masses had renal vein thrombosis, and 4 masses had extension into inferior vena cava. A lymph node metastasis was detected in 3 patients. A lung metastasis was detected in 4 patients, and 2 of the patients also had a bone metastasis. Conclusions: A renal PNET usually appears as a weakly enhanced large mass with multiple septumlike structures, peripheral hemorrhage, venous thrombosis, and accompanied with a distant metastasis in a young adult.
ISSN
0363-8715
Language
English
URI
https://hdl.handle.net/10371/78122
DOI
https://doi.org/10.1097/RCT.0b013e31819e938b
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College of Medicine/School of Medicine (의과대학/대학원)Radiology (영상의학전공)Journal Papers (저널논문_영상의학전공)
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