ID | 32806 |
JaLCDOI | |
フルテキストURL | |
著者 |
Yabuki, Takayuki
Okayama University
Togami, Izumi
Okayama University
Kitagawa, Takahiro
Okayama University
Sasai, Nobuya
Okayama University
Tsushima, Tomoyasu
Okayama University
Shirasaki, Yoshinori
Okayama University
Hiraki, Yoshio
Okayama University
|
抄録 | The purpose of this study was to compare the MR characteristics of renal cell carcinomas against histologic findings and to assess the correlations among signal intensity, tumor enhancement, and pathologic findings. Fifty-four patients (56 lesions) were examined by MR imaging and then underwent partial or radical nephrectomy. The pathologic diagnosis of all lesions was renal cell carcinoma. All MR examinations were performed as dynamic studies using the same 1.5-T scanner. MR characteristics were compared against pathologic findings after resection, and the correlations among signal intensity, tumor enhancement, and pathologic findings were then assessed. A significant correlation was observed between tumor grade and tumor enhancement, with G3 lesions tending to show little enhancement. Regardless of the histologic classification, G3 tumors were found to contain highly heterotypic cancer cells and very few vessels by histopathologic examination. No significant correlations were noted between the other MR characteristics and pathologic findings. Renal cell carcinomas showing little enhancement tend to be highly malignant lesions based on the pathologic findings. Special consideration is required for these tumors with regard to the selection of surgical intervention and follow-up observation. |
キーワード | kidney
kidney neoplasms
MR
diagnosis
grade
|
Amo Type | Article
|
出版物タイトル |
Acta Medica Okayama
|
発行日 | 2003-08
|
巻 | 57巻
|
号 | 4号
|
出版者 | Okayama University Medical School
|
開始ページ | 179
|
終了ページ | 186
|
ISSN | 0386-300X
|
NCID | AA00508441
|
資料タイプ |
学術雑誌論文
|
言語 |
英語
|
論文のバージョン | publisher
|
査読 |
有り
|
PubMed ID | |
Web of Science KeyUT |