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KMID : 1103720220830051109
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Journal of the Korean Society of Radiology
2022 Volume.83 No. 5 p.1109 ~ p.1115
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Renal Epithelioid Angiomyolipoma with Epithelial Cysts Mimicking Cystic Renal Cell Carcinoma: A Case Report of Combination of Two Rare Entities
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Lee Sang-Hun
Lee Jeong-Sub
Kim Jeong-Jae
Ko Su-Yeon
Lee Kyung-Ryeol
Hwang Im-Kyung
Hyun Chang-Lim
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Abstract
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Renal angiomyolipomas (AMLs) are typically solid tumors, but there have been few reports of a rare cystic variant of AML. AML with epithelial cysts, where the epithelial cyst has a cuboidal epithelial lining, account for the majority of them. Next, epithelioid AML (EAML) with cystic changes due to hemorrhage and necrosis, which is composed of epithelioid cells with abundant eosinophilic cytoplasm, have also been reported. These rare cystic types of AML can be mistaken for other cystic tumors, such as cystic renal cell carcinoma, in preoperative imaging. We report the imaging findings of a rare case of EAML with epithelial cysts.
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KEYWORD
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Angiomyolipoma, Kidney, Neoplasms, Computed Tomography, X-Ray, Magnetic Resonance Imaging
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